Lenovo 1706B8U Hardware Maintenance Manual page 58

Symptom-to-FRU index
52
®
ThinkPad X60, X60s, X61, and X61s
Symptom or error
Fan error.
Thermal sensing error.
Cannot boot from any device.
FRU or action, in sequence
1. Fan.
2. Thermal grease.
3. System board.
System board.
Check the status of device which you want
to boot from.
Device not found.
1. The device you want to boot from.
2. System board.
Device Error.
1. The device you want to boot from.
2. System board.
No valid operating system.
1. Check that the operating system has no
failure and is installed correctly.
2. Reinstall the operation system.
Excluded from boot order.
v Enter the BIOS Setup Utility and add the
device in boot order.