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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 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 by
doing the following:
1. Start Power Manager.
2. Click the Power plan tab, and then select Maximum Performance from the predened power plans.
• Problem: When I turn on the computer, nothing is displayed on the screen and the computer 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 four seconds or more. Turn it on and listen again.
Solution: Make sure that:
– The battery is installed correctly.
– The ac power adapter is connected to the computer and the power cord is plugged into a working
electrical outlet.
– The computer is turned on. (Turn the power switch on again for conrmation.)
If a power-on password is set:
– Press any key to display the prompt for the power-on password. If the brightness level of the screen
is low, increase it by pressing Home.
– Type the correct password and press Enter.
If these items are correctly set, and the screen remains blank, have the computer serviced.
• Problem: When I turn on the computer, only a white cursor is displayed on a blank screen.
Solution: If you have modied a partition on your hard disk drive by using partition software, information
about that partition, or the master boot record might have been destroyed.
118 User Guide