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Troubleshooting charts
No error codes or messages
Problem Action
The screen is blank and
you don't hear any
beeps.
Note: If you are not
sure whether
you hear any
beeps, turn the
computer off;
then turn it on
again, and listen
again. Also
check the
volume control
and the power
indicator.
If you are using an
external monitor, go to
“External monitor
problems” on page 104.
Make sure that:
The battery pack is installed correctly.
The AC Adapter is connected to the computer and the power cord is plugged
into a working electrical outlet.
The computer power is on. (Turn on the power switch again for confirmation.)
If a power-on password is set but does not appear, the brightness and/or contrast
controls might be set to minimum levels. Adjust the brightness by pressing
Fn+Home or Fn+End. For HPA models, try adjusting the contrast by pressing
Fn+Insert or Fn+Delete
If the screen still remains blank, have the computer serviced.
The screen is blank and
you hear a continuous
beep, or two or more
beeps.
Have the computer serviced.
The computer cannot
boot-up.
The message "Insert
system diskette and
press Enter key to
reboot" appears.
Have in hand a bootable diskette, such as the Windows startup diskette, and do
as follows:
1. Turn off the computer.
2. Connect the external USB diskette drive.
3. Insert the bootable diskette into the diskette drive.
The Windows startup diskette can help diagnose the problem. If the problem
remains, have the computer serviced.
92 ThinkPad i Series 1200/1300 User's Reference