DEC Digital HiNote Ultra 2000 series, Service Quick Reference Manual

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Troubleshooting
4-12
CD-ROM Failure
Problem Troubleshooting Procedure
The notebook
computer’s power is on.
The HDD is functioning
correctly. When you try
to access the CD-ROM,
one of the following
conditions occurs:
•
You can’t read
from the CD-ROM.
•
You can’t hear the
CD-ROM motor
spinning, and the
LED indicator light
isn’t on.
•
Make sure the CD-ROM/FDD
module is properly seated.
•
Switch to a different CD-ROM disk
and try again.
•
Clean the CD-ROM’s lens.
•
Change the CD-ROM/FDD
module and test again.
•
If the CD-ROM is OK, than there
is probably an I/O chipset failure.
Replace the main board.
Battery Failure
Problem Troubleshooting Procedure
The notebook
computer’s AC power
works. When trying to
use battery power, the
notebook computer
doesn’t operate.
However, when the AC
Adapter is connected,
the battery charge
indicator flashes.
•
Make sure that the battery
contacts are in good condition.
•
Make sure that the battery
terminals are clean. If need be,
clean the terminals with contact
cleaner.
•
Form the battery and try again.
•
Change the battery and try again.
•
Make sure the AC power supply
adapter and adapter cord) are OK.
If they are not supplying the
correct voltage, it could damage
the system.