A.2.4 Troubleshooting
You are the IT administrator for a small corporate network. A visitor is preparing to give a presentation. She expects the machine to be plugged in during the presentation. However, while she prepares the presentation, she will likely run on battery power. You need to help her create a power plan to accommodate both conditions that won't interfere with the presentation if the machine is not plugged into a power source.
Select Start. Select Settings. Maximize the window for easier viewing. Select System. From the left menu, select Power & sleep. Under Related settings, select Additional power settings. On the left, select Create a power plan. Make sure Balanced is selected. In the Plan name field, enter Presentation. Click Next. From the Turn off the display drop-down list, select 1 hour for On battery. From the Turn off the display drop-down list, select Never for Plugged in. From the Put the computer to sleep drop-down list, select 2 hours for On battery. From the Put the computer to sleep drop-down list, select Never for Plugged in. Click Create. Modify the Presentation power plan settings as follows: To the right of Presentation, select Change plan settings. Select Change advanced power settings. Expand Hard disk. Expand Turn off the hard disk after. Select On battery. In the On battery field, enter 15.Select Plugged in. In the Plugged in field, enter 0.Expand Battery. Expand Low battery action. Form the On battery drop-down list, select Hibernate. Select Plugged in. From the Plugged in drop-down list, make sure Do nothing is selected. Click OK.
You work at a computer repair store. You're building a computer. You just installed four 8-GB memory modules for a total of 32 GB of memory (32,768 MB). When you try to boot the computer, the screen is blank, and the computer beeps several times.
Test the memory modules in the computer as follows:Above the computer, select Motherboard to switch to the motherboard view of the computer.On the Shelf, expand PC Tools.Drag the Memory Tester from the Shelf to the Workspace.Drag a memory module from the computer to the correct slot on the memory tester.Select Test.If the memory tester indicates BAD or ERROR, the module is bad. Drag the module to the Shelf.If the memory tester indicates OK, the module is good. Return the module to the computer.Repeat steps 1d-1e for all memory modules in the computer. Test and install the memory modules on the Shelf as follows:On the Shelf, expand Memory Modules.Drag a memory module from the Shelf to the correct slot on the memory tester.Select Test.If the memory tester indicates BAD or ERROR, the module is bad; return the module to the Shelf.If the memory tester indicates OK, the module is good; drag the module to the computer.Repeat steps 2b-2c until all memory slots in the computer are filled with good modules. Boot into the BIOS and verify that all installed modules are recognized by the BIOS as follows:Above the computer, select Front to switch to the front view of the computer.On the computer, select the power button on the front of the computer.When the BIOS loading window appears, press F2 to enter the BIOS.
You work at a computer repair store. A customer is having trouble with their hard drives. The computer is not recognizing all the drives in the machine.
Verify the problem as follows:Click the power button on the computer to start the computer.As the BIOS loads, press the Delete key.How many drives have been detected?From the top navigation tabs, select Bench to switch to the Bench view to verify the hardware configuration of the drives.Click the power button to turn the computer off. Troubleshoot the hard drives and cables as follows:Above the computer, select Motherboard to switch to the motherboard view for the computer.Select the SATA cable connector on a hard drive.Under Selected Component, make sure the cable connectors are correctly connected to the hard drive and the motherboard.Repeat steps 2b-2c for each hard drive.Select a power connector on a hard drive.Under Selected Component, make sure the power connectors are connected correctly to the hard drives.Repeat steps 2e-2f for each hard drive.Above the computer, select Front to switch to the front view of the computer.Click the power button on the system case to start the computer.As the BIOS loads, press the Delete key.How many drives have been detected?From the top navigation tabs, select Bench to switch to the Bench view to to troubleshoot the final drive.Click the power button to turn the computer off.On the Shelf, expand PC Tools.Drag the Power Supply Tester from the Shelf to the Workspace area.Above the computer, select Motherboard to switch to the motherboard view.Drag the 20+4 pin power supply connector from the motherboard to the ATX Main port on Power Supply Tester.Drag the 15-pin SATA power connector from the hard drive to the SATA port on the Power Supply Tester.What do the lights and values on the Power Supply Tester indicate?Drag the 15-pin SATA power connector from the Power Supply Tester to the hard drive connector.Drag the second 15-pin SATA power connector from the second hard drive to the SATA port on the Power Supply Tester.What do the lights and values on the Power Supply Tester indicate?Drag the 20+4 pin power supply connector from the Power Supply Tester to the motherboard connector.Drag the 15-pin SATA power connector from the Power Supply Tester to the hard drive connector. Connect a known good SATA cable as follows:Drag the SATA connector from the bottom hard drive to the Workspace to disconnect it.Drag the other end of the SATA connector from the motherboard to the Workspace.On the Shelf, expand Cables.Select the SATA cable.Under Selected Component, drag a SATA connector to a SATA port on the motherboard.Under Selected Component, drag the unconnected SATA connector to the connector on the hard drive.Above the computer, select Front to switch to the front view for the computer.Click the power button on the computer to start the it.As the BIOS loads, press the Delete key.In the BIOS, what is the status of the final hard drive? Replace the hard drive as follows:From the top navigation tabs, select Bench to switch to the Bench view.Click the power button to turn the computer off.Above the computer, select Motherboard to switch to the motherboard view.Disconnect the SATA power cable from the hard drive.Disconnect the SATA data cable from the hard drive.Drag the hard drive to the Shelf.Expand Hard Drives.Drag the hard drive to the open 3.5 inch bay.Under Partial Connections for the computer, drag the unconnected SATA cable to the connector on the hard drive.Under Partial Connections for the computer, select the power supply.Under Selected Component, drag the unconnected SATA power cable to the connector on the hard drive.Above the computer, select Front to switch to the front view for the computer.Click the power button on the computer to start the computer.As the BIOS loads, press the Delete key.In the BIOS, what is the status of the final hard drive?Click Exit to restart.After Windows loads, right-click Start and select Disk Management.Click OK.Verify that Windows recognizes all the disks.
What is the IPv4 address of the server? What is the subnet mask? How did the computer get its IP configuration information? Assuming the default gateway computer is connected to the Internet, what type of Internet access would this computer have?
192.168.0.14 255.255.255.0 Static (manual) configuration Full access
What is the IPv4 address of the server? What is the subnet mask? How did the computer get its IP configuration information? What type of Internet access would this computer have?
169.254.201.11 255.255.255.0 APIPA No access
What is the IPv4 address of the server? What is the subnet mask? What is the default gateway address? What is the address of the first DNS server that the workstation will use for name resolution? How did the computer get its IP configuration information?
192.168.0.35 255.255.255.0 192.168.0.5 192.168.0.11 DHCP
You are the IT administrator for a small corporate network. Over the weekend, another employee in the IT department upgraded some components in the Support workstation. When a Support employee came to work this morning, his computer would not start.
-Replicate the problem as follows: On the computer, click the power button. -A message tells you the computer did not come on. Click OK. -Above the computer, select Back to switch to the back view of the computer. -Examine the computer to identify possible problems that would prevent it from coming on. -Be sure to check the power cord and power supply switches. Provide power to the computer as follows: -Above the power strip, select Partial Connections. -Under Selected Component, drag the unconnected power connector to the power outlet on the computer. -Above the computer, select Front to switch to the front view of the computer. -On the computer, click the power button. -A message tells you the computer did not come on. -Click OK. -Above the computer, select Back to switch to the back view of the computer. -Switch the power supply voltage to 115V. -Turn the power supply switch on. Above the computer, select Front to switch to the front view of the computer. -On the computer, click the power button. -If successful, the screen will change to the BIOS and operating system load screen.
You are the IT administrator for a small corporate network. Currently, the computer in Office 1 has a single paging file managed by the system on the system volume (C:). You need to move the paging file to the D: volume.
Disable system-managed paging file settings as follows:From the taskbar, open File Explorer.Right-click This PC and select Properties.Select Advanced system settings.Under Performance, select Settings.Select the Advanced tab.Under Virtual Memory, select Change.Unmark Automatically manage paging file size for all drives. Delete the paging file on the C: drive as follows:Under Drive [Volume Label], select C: [System].Select No paging file.Select Set.Click Yes. Create a paging file on the D: drive as follows:Under Drive [Volume Label], select D: [Data].Select Custom size to manually configure the paging file settings.In the Initial size field, enter 2048.In the Maximum size field, enter 3072.Select Set.Click OK.Click OK to agree to restart the computer.Click OK to close the Performance Options window.Click OK to close the System Properties window. Select Restart Now and wait for the computer to reboot.
You work at a computer repair store. You're building a new computer for a customer. You've installed four 2-GB memory modules for a total of 8 GB of memory (8,192 MB). However, when you boot the computer, the screen is blank, and the computer beeps several times.
Identify which memory modules are working as follows:Above the computer, select Motherboard to switch to the motherboard.Remove all memory modules from the computer but one and place the modules on the Shelf.Above the computer, select Front to switch to the front view of the computer.On the computer, select the power button on the front of the computer.If the computer boots and recognizes the memory, the module is good.If the computer does not boot, the module is bad.From the top navigation menu, select Bench to return to the hardware.On the computer, select the power button to turn the computer off.Above the computer, select Motherboard to switch to the motherboard.Drag the memory module to the Shelf.From the Shelf, drag an untested memory module to a slot on the motherboard.Repeat steps 1c-1h to test all remaining modules. Drag the working memory modules from the Shelf to the correct color slots on the motherboards. Boot into the BIOS and verify that all installed modules are recognized by the BIOS as follows:Above the computer, select Front to switch to the front view of the computer.On the computer, select the power button on the front of the computer.When the BIOS loading window appears, press F2 to enter the BIOS.
You are the IT administrator for a small corporate network. The workstation computer is connected to the network as shown in the Exhibit. One morning, you find that the workstation in the Support Office can no longer connect to the Gigabit network.
In the notification area, hover the mouse over the Network icon. Notice that the computer is not connected to the network. Get more information about the problem as follows:Right-click Start and select Windows PowerShell.At the command prompt, type ipconfig and press Enter to view information about the network adapter.Notice that the media is disconnected. Verify the physical configuration of the computer as follows:From the top navigation tabs, select Support Office.Above the computer, select Back to switch to the back view of the computer.Select the network cable.Make sure the other end of the network cable is plugged into the wall outlet.Because the network cable is connect to the computer and the wall outlet, it appears that the cable might be faulty. Connect to the network using a known good networking cable as follows:On the back of the computer, drag the RJ45 connector to the Workspace to disconnect it.Drag the RJ45 connector from the wall outlet to the Shelf.On the Shelf, select the CAT6a Cable because it gives you Gigabit speed.Under Selected Component, drag the RJ45 connector to the network card on the computer.Under Selected Component, drag a other RJ45 connector to the network connection on the wall outlet. On the Support monitor, select Click to view Windows 10 to switch to the operating system view. Verify the connection as follows:At the command prompt, type ipconfig and press Enter.In the notification area, right-click the Network icon and select Open Network & Internet settings.Verify the status of the Ethernet.
You are the IT administrator for a small corporate network. You're modifying the Power Plan settings for the laptop in the Executive Office. In this lab, your task is to complete the following: Set the following default settings for the power button action (all existing power plans):On battery: Hibernate Plugged in: Shut down Require a password on wakeup.
On battery: Hibernate Plugged in: Shut down Require a password on wakeup. Set the computer to use a password on wakeup. Select the High Performance power plan. Modify the High Performance power plan settings as follows: On Battery Plugged In Turn off the display 5 minutes 1 hour Put the computer to sleep 30 minutes 5 hours When lid is closed Sleep Do nothing Complete this lab as follows: Set the default settings for the power button as follows: Select Start. Select Settings. Maximize the window for easier viewing. Select System. Select Power & sleep. Under Related settings, select Additional power settings. Maximize the window for easier viewing. In the Power Options window on the left, select Choose what the power buttons do to modify the power button behavior. From the When I press the power button drop-down list, select Hibernate for On battery. From the When I press the power button drop-down list, select Shut down for Plugged in. Set the computer to use a password on wakeup as follows: Select Change settings that are currently unavailable to change the password protection settings. Under Password protection on wakeup, select Require a password. Select Save Changes. Under Hide additional plans, select High Performance. Modify the High Performance power plan settings as follows: Select Change plan settings next to High Performance. From the Turn off the display drop-down list, select 5 minutes for On battery. From the Turn off the display drop-down list, select 1 hour for Plugged in. From the Put the computer to sleep drop-down list, select 30 minutes for On battery. From the Put the computer to sleep drop-down list, select 5 hour for Plugged in. Select Change advanced power settings to modify the power plan advanced settings. Expand Power buttons and lid. Expand Lid close action. For On battery, make sure Sleep is selected. Select Plugged in. From the Plugged in drop-down list, select Do nothing. Click OK. Select Save Changes.
You are the IT administrator for a small corporate network. You're repairing the computer in the Support Office, which appears to have a failed power supply. After testing the power supply and confirming the failure, you removed it from the computer. Now you need to select a replacement power supply.
Install a power supply based on the following requirements: The power supply must have the appropriate power connectors for the motherboard and the CPU. Make sure the power supply you select will support adding a graphics card that requires its own power connector. Make the following connections from the power supply: Connect the motherboard power connector. Connect the CPU power connector. Connect the power connectors for the SATA hard drives. Connect the power connector for the optical drive. Plug the computer in using the existing cable plugged into the power strip. Turn on the power supply. Start the computer and boot into Windows. Complete this lab as follows: Install a power supply as follows: Above the computer, select Motherboard to switch to the motherboard view. Select the motherboard to view the documentation. Under Selected Component, select Details to identify the existing connectors for the motherboard. Select the Specifications tab to determine how many pins the main motherboard and the CPU power supply require. Close the Details window. On the Shelf, expand Power Supplies. Select a power supply. Under Selected Component, examine each of the power connectors looking for all of the connectors required for this scenario. Repeat steps 1g-1h for each power supply. Install the power supply as follows: From the Shelf, drag the power supply to the area in the case below the motherboard. Under Selected Component, drag the 20+4 pin connector to the motherboard to connect the motherboard main power connector. Under Selected Component, drag the 8-pin CPU power connector to the motherboard to connect the CPU power connector. Connect the SATA hard drives as follows: Under Selected Component, drag a 15-pin SATA power connector to the power port on the hard drive. Under Selected Component, drag a 15-pin SATA power connector to the power port on the second hard drive. Under Selected Component, drag a 15-pin SATA power connector to the power port on the third hard drive. Connect the optical drive as follows: Above the computer, select Drive Bays to switch to the Drive Bays view for the computer. Under Selected Component, drag a 15-pin SATA power connector to the power port on the optical drive. Plug the computer into the wall outlet as follows: Above the computer, select Back to switch to the back view of the computer. Above the power strip in Partial Connections, select the power cord. Under Selected Component, drag the AC Power Connector to the power supply port. On the power supply, click the power switch to move it to the On position. Above the computer, select Front to switch to the front view for the computer. On the computer, select the power button to turn on the computer and boot into Windows.
You work at a computer repair store. A customer brought in a computer that shuts down before it can completely boot. You suspect that the problem is with the power supply.
On the computer, click the power button to turn on the computer and observe the symptoms. In the Computer Startup dialog, click OK. On the Shelf, expand PC Tools. Drag the Power Supply Tester from the Shelf to the Workspace area. Above the computer, select Motherboard to switch to the motherboard view of the computer. On the motherboard, drag the 20+4 pin power supply connector to the port on Power Supply Tester. On the motherboard, drag the 4-pin CPU power connector to the 4/6/8 port on Power Supply Tester. Under Selected Component, drag an unconnected 15-pin SATA power connector to the port on the Power Supply Tester.What do the lights and values on the Power Supply Tester indicate? The power supply is bad. Remove the power supply as follows:Above the computer, select Back to switch to the back view of the computer.Drag the power cord from the power supply to the Workspace.Above the computer, select Drive Bays to switch to the drive bays view of the computer.Drag the power connector from the SATA drive to the Workspace.Drag the power connector from the optical drive to the Workspace.In the Workspace, disconnect the connectors from the Power Supply Tester.Above the computer, select Motherboard to switch to the motherboard view of the computer.Drag the power supply to the Workspace area. Install a power supply as follows:On the Shelf, expand Power Supplies.Select a power supply.Under Selected Component, examine each of the power connectors looking for all of the connectors required for this scenario.From the Shelf, drag the Power Supply, ATX, 20+4 pin, PCIe to the correct area in the computer.Under Selected Component, drag the 20+4 pin power supply connector to the motherboard connector to connect the motherboard main power connector.Under Selected Component, drag the 4-pin CPU power connector to the motherboard connector Connect the SATA hard drive power as follows:Above the computer, select Drive Bays to switch to the drive bays view of the computer.Under Selected Component, drag the SATA power connector to the location on the hard drive.Under Selected Component, drag the optical drive power connector to the location on the hard drive. Plug the computer into the wall outlet as follows:Above the computer, select Back to switch to the back view of the computer.Under Partial Connections for the wall plate, select the power cord.Under Selected Component, drag the AC Power Connector to the power supply port.On the power supply, click the power supply switch to turn it to the on position.Above the computer, select Front to switch to the front view of the computer. On the computer, click the power button to turn on the computer and verify that the computer boots into Windows.
You work at a computer repair store. A customer has just bought a used computer at a very good price. The previous owner said the computer won't start, but he says it should have the following components: AMD Phenom II X4 quad-core processor 8-GB DDR3 memory One SATA hard drive with Windows 10 installed
Replicate the problem by turning on the computer. Troubleshoot possible reasons the computer is not receiving power. In this lab, the power supply voltage needs to switch to 115 volts. After correcting the problem with the power supply, try booting the computer.What might cause the problem that you see?Which three hardware components does the computer need before it can load the BIOS? Use components on the Shelf to identify and replace failed components that prevent the computer from booting. In this lab, add a CPU to the computer. Be sure to plug in the CPU fan. Boot the computer into the BIOS. Verify that all components are correctly detected.Is all of the installed memory detected? Take actions to correct the problems you find. If necessary, use spare parts from the Shelf. In this lab, replace the memory modules because they have failed. After correcting the problems, boot into Windows. Verify that the hard disk drive is recognized.
You work at a computer repair store. A customer brought in a computer for a motherboard upgrade. After the upgrade, it will contain the following: Intel i7-960 processor. 12 GB DDR3 memory. Two SATA hard drives, one with the operating system installed, the other with a single volume for storing data. A single SATA optical drive.
Replicate the problem by turning on the computer. Troubleshoot the causes for no power to the computer. In this lab, the computer is not plugged into the wall socket and the case power switch is not connected to the motherboard header. Troubleshoot the causes for intermittent system shutdown. In this lab, the CPU is overheating because the heatsink fan power connector is not connected to the motherboard. After correcting all problems, boot into Windows and verify that the memory (12 GB), two hard drives, and an optical drive are recognized.
You work at a computer repair store. A customer brought in a computer for repairs. The computer has the following specifications: Intel i5 8600K processor. 16 GB DDR4 memory. Three SATA hard drives, one with the operating system installed, the other two for storing data. Single SATA optical drive.
Replicate the problem by turning on the computer. Troubleshoot the causes of no power to the computer. Consider potential issues with the CPU or power supply. In this lab, you need to turn on the power supply and plug the CPU power connector into the motherboard. After you correct the problems so that the computer starts, try to boot the computer into Windows. Because the computer cannot find the disk with the operating system installed, troubleshoot problems with boot devices (hardware problems such as not all disks recognized) or the boot order (BIOS settings where the wrong device is used to boot). In this lab, you need to connect the SATA drive to the motherboard and provide the SATA drive with power. After you correct problems with the hard drive, boot into Windows. Verify that all drives are recognized (three hard drives and an optical drive)
You work at a computer repair store. You've just put together a computer for a customer. The computer has the following components: Intel i5 8600K processor. 32 GB DDR4 memory. Three SATA hard drives, one with Windows 10 installed.
Replicate the problem by turning on the computer. Troubleshoot the causes of no power to the computer. In this lab, the 20+4-pin motherboard connector is not plugged into the motherboard. After you correct the problem with the power connections, try booting the computer.Which three hardware components does the computer need before it can load the BIOS?Which component works if the computer can make a series of beeps? Use components on the Shelf to identify and replace failed components that prevent the computer from booting. In this lab, replace the memory modules because they have failed. Boot the computer into the BIOS. Verify that all components are correctly detected.Is all of the installed memory detected? Take actions to correct the problems you find. If necessary, use spare parts from the Shelf. After you correct the problems, boot into Windows. Verify that the hard disk drives are recognized.
You work at a computer repair store. You just upgraded the processor in a customer's computer. The customer purchased the latest AMD Phenom II processor, and you installed it in the computer. There is another AMD Phenom II processor on the Shelf.
Reproduce the problem as follows:Click the power button to start the computer.Click OK to close the message inside the lab.Above the computer, select Motherboard to switch to the motherboard view of the computer to diagnose the problem.Can the processor start if there is no CPU installed?Would the computer start if the additional CPU power connector was not connected to the motherboard?Select the motherboard.Under Selected Component, identify the socket type of the motherboard.In the Selected Component window, select Details.Select the Specifications tab.Read the motherboard documentation to identify additional requirements for the CPU.Identify the location of the CPU fan connector.Close the Motherboard Details window. Verify that all CPU power cables are connected as follows:Select the CPU heat sink and fan.In the Selected Component window, verify that the fan power connector is connected to the motherboard.Because everything is connected properly, you will need to replace the CPU. Drag the heat sink and fan to the Workspace. On the Shelf, expand Processors. Drag the CPU on the motherboard to the Shelf to remove it from the computer. From the Shelf, drag the CPU, AMD AM3 to the CPU socket on the motherboard. From the Workspace, drag the heat sink and fan to the motherboard. In the Selected Component window, verify that the fan power connector is still connected to the motherboard. Above the computer, select Front to switch to the front view of the computer. Click the power button to verify that it boots into Windows.
You work part time at a computer repair store. You just upgraded the processor in a customer's computer. The computer starts, but it shuts down shortly after starting Windows.
Verify the problem as follows:Click the power button to start the computer.After Windows loads, you will see the computer shut down.Click OK to close the message inside the lab.Above the computer, select Motherboard to switch to the motherboard view of the computer to diagnose the problem.Can the processor start if there is no CPU installed?Would the computer start if the additional CPU power connector was not connected to the motherboard?Select the motherboard.Under Selected Component, identify the socket type of the motherboard.In the Selected Component window, select Details.Select the Specifications tab.Read the motherboard documentation to identify additional requirements for the CPU.Identify the location of the CPU fan connector.Close the Motherboard Details window. Under Partial Connections on the Workspace, select the heat sink and fan. Under Selected Component, select Details for the heat sink and fan combination supported by the motherboard. Select Bottom to view the bottom of the processor.Why is thermal paste not needed in this case? Close the Heat Sink and Fan Details window. In the Selected Component window, verify that the CPU fan cable is not connected. Drag the fan power connector to the location on the motherboard. Above the computer, select Front to switch to the front view of the computer. Click the power button to start the computer. After Windows loads, verify that the system works without crashing.
You are the IT administrator for a small corporate network. The computer is connected to the network as shown in the Exhibit. One morning, you find that the workstation in Office 1 can no longer connect to the network.
Verify the problem as follows:In the notification area, right-click the Network icon and select Open Network & Internet settings. The network map shows no connection to the internet.Select Change adapter options to help determine why.Notice the status for the network connection is network cable unplugged.Close the window. Connect the cable as follows:In the top navigation tabs, select Office 1 to work with the computer hardware.Above the computer, select Back to switch to the back view of the computer.The computer has a network cable, but the link light is not on.Select the network cable connected to the computer to see what is connected to the other end.In the Selected Component window, notice that one end is unconnected.Select the unconnected end and drag it to the network connection on the wall plate. Fix settings as follows:On the monitor, select Click to view Windows 10 to switch to the operating system view.The notification area shows a network connection.The network map in the Network Status does not show an internet connection.Maximize the Network Status window for easier viewing.Select Network and Sharing Center.Select Ethernet.Select Details.Compare the current TCP/IP configuration with the required configuration shown in the Exhibit.Click Close.Select Properties to modify the TCP/IP configuration.Select Internet Protocol Version 4 (TCP/IPv4).Select Properties.In the IP address field, enter a correct IP address.In the Subnet mask field, enter 255.255.255.0.In the Default gateway field, enter 192.168.0.5.In the Preferred DNS server field, enter a correct DNS server address.Click OK.Click Close.Verify the internet connection in the Network and Sharing Center.