Testout power supply lab

Pass Status: Not Pass Required Score: 100%

Lab Report: 14.2 Troubleshoot a Malfunctioning Computer Your Performance

Your Score: 4 of 5 (80%) Elapsed Time: 45 minutes 5 seconds Task Summary

Remove the failed power supply BIOS detects 6 GB of memory installed Install and connect the ATX 20+4 pin PCIe power supply Show Details Memory is installed in the correct slots for Triple Channel Mode Boot to Windows

Explanation Complete the following general steps:

1. Turn on the computer and observe the symptoms. Since the computer fails to turn on, check the power supply.

2. On the Shelf, expand the PC Tools category. 3. Drag the Power Supply Tester from the Shelf to the Workspace area. 4. Switch to the motherboard view of the computer. 5. On the motherboard, select the 20+4 pin power supply connector and drag it to the 24-pin port on the

Power Supply Tester. 6. On the motherboard, select the 8 pin CPU power connector and drag it to the 8-pin port on the Power

Supply Tester. 7. In the Selected Component window, select an unconnected 15-pin SATA power connector and drag it

to the SATA port on the Power Supply Tester. What do the lights and values on the Power Supply Tester indicate?

8. To replace the power supply, start by disconnecting the existing power supply: Disconnect the power connector from the Video card. Switch to the back view of the computer and disconnect the power cord from the power supply. Switch to the drive bays view of the computer and disconnect the power connectors from the SATA hard drive and optical drive. In the Workspace, disconnect the connectors from the Power Supply Tester. Switch to the motherboard view of the computer and drag the power supply to the Shelf or the Workspace area.

9. On the Shelf, if necessary, expand the Power Supplies category. 10. Select each power supply. In the Selected Component window, examine each of the power connectors

looking for all of the connectors required for this scenario. 11. To install the selected power supply, drag the item from the Shelf and drop it on the area above the

motherboard. 12. To connect the motherboard main power connector, drag the connector from the Selected Component

window to the motherboard connector. 13. Repeat step 12 to connect the CPU power connector and power to the Video card. 14. To connect SATA power, switch to the Drive Bays view for the computer. 15. In the Selected Component window, drag a SATA power connector to the hard drive. 16. Repeat step 15 to connect SATA power to the optical drive. 17. To plug the computer into the wall outlet, switch to the back view of the computer. 18. In the Partial Connections list for the wall plate, select the power cord.

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19. In the Selected Component window, drag the unconnected AC power connector to the power supply port.

20. On the power supply, click the power supply switch to turn it to the on position. Switch to the front view for the computer.

21. Turn on the computer to see if the computer boots. Now the computer beeps, so check the memory. 22. Click on View Hardware to go to the Workspace. 23. Click on the power button to turn the computer off. 24. Switch to the motherboard view of the computer. 25. On the Shelf, expand the PC Tools category. 26. Drag the the Memory Tester from the Shelf to the Workspace area. 27. Drag a memory module from the computer to the correct slot on the memory tester, then click Test.

Note the size, speed, and type of memory indicated on the memory tester. If the memory tester indicates BAD, drag the module to the shelf, the module is bad. If the memory tester indicates OK, return the module to the computer, the module is good.

28. Repeat step 27 for all memory modules in the computer. 29. On the Shelf, expand the Memory Modules category. 30. Identify the memory module of the same size, speed, and type as the memory in the computer. Drag

the module to the computer to replace the failed DIMM. 31. Start the computer and verify that all installed modules are recognized by the BIOS and that the

computer is able to load Windows.

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