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Section Five
74
2. The BIOS CMOS hold-up battery has failed. 2. Contact your support representative for
repairs. This is not a user serviceable part
but has a normal life of 3 to 5 years.
Video Problems
The built-in display is blank when you turn on 1. Something is pushing on the Closed 1. Clear the Closed Cover switch.
your notebook. Cover switch.
2. The notebook is set for an external 2. Pressing F10 while holding down the Fn key
monitor only. allows you to change your selection of where
to send your display video. Each time you
press the combination of keys you will step
to the next choice. The choices, in order, are
built-in display only, external monitor only,
both built-in display and external monitor.
3. The angle of the display and the brightness 3. Move the display and the brightness control
settings are not adequate for your until you have adequate visibility.
lighting conditions.
4. The power management timeouts may be 4. Press any key or move the pointer, if this
set for very short intervals and you failed to doesn’t work press the Suspend/Resume
notice the display come on and go off again. button. (The display may be shut off by
Standby mode, Auto Suspend, or
Video Timeout.)
Symptom Possible Cause Possible Solution
Your notebook appears to change setup
parameters when you start it (continued).