Fru Tests - Lenovo ThinkPad T520 Hardware Maintenance Manual

For additional information about this program, see the Help for the program.

FRU tests

The following table shows the test for each FRU.
Table 1. FRU tests
FRU
System board
Power
LCD unit
Audio
Speaker
Keyboard
Hard disk drive or solid state
drive
Diskette drive
Optical drive
Memory
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Hardware Maintenance Manual
Applicable test
1. Diagnostics ➙ CPU/Coprocessor
2. Diagnostics ➙ Systemboard
3. If the docking station or the port replicator is attached to the ThinkPad Notebook,
detach it.
4. Place the computer on a horizontal surface, and run Diagnostics ➙ ThinkPad
Devices ➙ HDD Active Protection Test.
Note: Do not apply any physical shock to the computer while the test is running.
Diagnostics ➙ ThinkPad Devices ➙ AC Adapter, Battery 1 , or Battery2
1. Diagnostics ➙ Video Adapter
2. Interactive Tests ➙ Video
Enter the ThinkPad Setup and change Serial ATA (SATA) setting to Compatibility, and
run Diagnostics ➙ Other Device ➙ Conexant Audio
Interactive Tests ➙ Internal Speaker
Note: Once Audio test is done, the no sound is heard this test. In this case, turn off
and turn on the computer. Then, run this test again.
1. Diagnostics ➙ Systemboard ➙ Keyboard
2. Interactive Tests ➙ Keyboard
Enter the ThinkPad Setup and change Serial ATA (SATA) setting to Compatibility, and
run Diagnostics ➙ Fixed Disks
You can also diagnose the drive without starting up the operating system. To diagnose
the drive from the ThinkPad Setup, do as follows:
1. Remove any diskette from the diskette drive, and then turn off the computer.
2. Turn on the computer.
3. While the message, "To interrupt normal startup, press the blue ThinkVangate
button," is displayed at the lower left of the screen, press F1 to enter the ThinkPad
Setup.
4. Using cursor keys, select HDD diagnostic program. Press enter.
5. Using cursor keys, select Main hard disk drive or Ultrabay hard disk drive.
6. Press Enter to start the diagnostic program.
1. Diagnostics ➙ Diskette Drives
2. Interactive Tests ➙ Diskette
1. Diagnostics ➙ Other Devices ➙ Optical Drive
2. Interactive Tests ➙ Optical Drive Test
1. If two DIMMs are installed, remove one of them and run Diagnostics ➙ System
Memory.
2. If the problem does not recur, return the DIMM to its place, remove the other one,
and run the test again.