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– If the memory size has been changed, re-create the hibernation le.
• Message: Operating system not found.
Solution: Verify the following:
– The hard disk drive is correctly installed.
– A startable disc is in the drive.
If you still see the same error message, check the boot sequence using ThinkPad Setup.
• Message: Fan error
Solution: Cooling fan has failed. Have the computer serviced.
• Message: EMM386 Not Installed-Unable to Set Page Frame Base Address.
Solution: Edit C:\CONFIG.SYS and change a line from device = C:\WINDOWS\EMM386.EXE RAM to device =
C:\WINDOWS\EMM386.EXE NOEMS and save this le.
• Message: CardBus Conguration Error-Device Disabled.
Solution: Press F1 to go to ThinkPad Setup. Press F9 and then press Enter to load the default setting.
Press F10 and then press Enter to restart the system.
• Message: Thermal sensing error
Solution: The thermal sensor is not functioning correctly. Have the computer serviced.
• Message: Cannot boot from any device.
Solution: The thermal sensor is not functioning correctly. Have the computer serviced.
Device not found
Check the device you want to boot from.
Device error
Check the device you want to boot from.
No valid operating system
Check that the operating system has no failure and is installed correctly.
Excluded from boot order
Open the ThinkPad Setup and add the device to boot order.
Errors without messages
• Problem: My screen keeps blanking when I do not want it to.
Solution: You can disable any system timers, such as the LCD turn-off timer or the blank timer
1. Start Power Manager.
2. Click the Power plan tab (in Windows XP, Power scheme), and then select Maximum Performance
from the predened power plans (in Windows XP, Power scheme).
• Problem: When I turn on the machine, nothing appears on the screen and the machine does not beep
while starting up.
Note: If you are not sure whether you heard any beeps, turn off the computer by pressing and holding
the power switch for 4 seconds or more. Turn it on and listen again.
Solution: Make sure that:
– The battery is installed correctly.
136 User Guide