Lenovo 3000 N500 - Manual (Page 55)

FRU tests
The following table shows the test for each FRU.
Table 8. FRU tests
FRU Applicable test
System board 1. Diagnostics --> CPU/Coprocessor
2. Diagnostics --> Systemboard
LCD unit 1. Diagnostics --> Video Adapter
2. Interactive Tests --> Video
Keyboard 1. Diagnostics --> Systemboard --> Keyboard
2. Interactive Tests --> Keyboard
Hard disk drive Diagnostics --> Fixed Disks
Diskette drive Diagnostics --> Diskette Drives
Memory 1. If two DIMMs are installed, remove one of them and run
Diagnostics --> PM Memory .
2. If the problem does not recur, return the DIMM to its place,
remove the other one, and run the test again.
3. If the test does not detect the error, run Diagnostics --> PM
Memory .
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