Lenovo ThinkPad T410s - Manual (Page 56)

Table 3. Error messages (continued)
Symptom or error FRU or action, in sequence
I/O device IRQ conflict.
1. Load “Setup Defaults” in the BIOS Setup Utility.
2. Backup battery.
3. System board.
Hibernation error.
1. Restore the system configuration to what it was
before the computer entered hibernation mode.
2. If memory size has been changed, re-create the
hibernation file.
Fan error.
1. Fan.
2. Thermal grease.
3. System board.
Thermal sensing error. System board.
Cannot boot from any device. 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.
• Enter the BIOS Setup Utility and add the device in boot
order.
Beep symptoms
Table 4. Beep symptoms
Symptom or error FRU or action, in sequence
One beep and a blank, unreadable, or flashing LCD.
1. Reseat the LCD connector.
2. LCD assembly.
3. External CRT.
4. System board.
One long and two short beeps, and a blank or unreadable
LCD.
1. System board.
2. LCD assembly.
3. DIMM.
Two short beeps with error codes. POST error. See Numeric error codes.
50 Hardware Maintenance Manual