Lenovo ThinkPad X230 Tablet - Manual (Page 45)

Table 3. Error messages (continued)
Symptom or error FRU or action, in sequence
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 ThinkPad Setup program and add the device
in boot order.
The battery installed is not supported by this system
and will not charge. Please replace the battery with the
correct Lenovo battery for this system. Press the ESC
key to continue. Replace the battery.
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. Memory module.
Two short beeps with error codes. POST error. See “Numeric error codes” on page 34.
Two short beeps and a blank screen. 1. System board.
2. Memory module.
Two or more beeps, or a continuous beep. Operating
system starts successfully. If a mini-PCI Ethernet card is installed, confirm that Alert
On LAN 2 in the ThinkPad Setup program is disabled.
Chapter 4 . Related service information 39