IBM ThinkPad R32 2658 Supplementary Manual page 33

Solving computer problems
Solution: Check if an external monitor was disconnected while the computer
was in standby mode. Do not disconnect the external monitor while the
computer is in standby mode or hibernation mode. If no external monitor is
attached when the computer resumes, the computer display remains blank
and output is not displayed. This restriction does not depend on the
resolution value. Press Fn+F7 to bring up the computer display.
Problem: The computer does not return from standby mode, or the standby
indicator stays on and the computer does not work.
Solution: The computer automatically enters standby or hibernation mode
when the battery is depleted. Do one of the following:
v Replace the battery with a fully charged one and then press Fn.
v Connect the ac adapter to the computer; then press Fn.
Problem: Your computer does not enter standby or hibernation mode.
Solution: Check if any option has been selected to disable your computer
from entering standby or hibernation mode.
Problem: The computer does not enter standby mode as set by the timer
under Windows 98 or Windows NT.
For Windows 98:
The generic CD or DVD driver for Windows 98 accesses the internal CD or
DVD drive every 3 seconds to see if a CD or DVD inserted in the CD or DVD
drive. This prevents your computer from entering standby mode even after a
timeout. To prevent this from occurring, do the following:
1. Click Start.
2. Move the cursor to Settings and Control Panel.
3. Click Control Panel, and then double-click System.
4. Click the Device Manager tab.
5. Click the + mark of CD-ROM.
6. Double-click the name of the CD or DVD drive.
7. Click the Setting tab.
8. Clear the Auto insert notification check box.
Windows 98 no longer detects the CD or DVD insertion automatically.
For Windows NT:
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Chapter 2. Solving computer problems