Technical data

Troubleshooting
DIGITAL HiNote Ultra 2000 Service Guide
3–7
External Keyboard or PS/2 Mouse Failure
Problem Troubleshooting Procedure
The notebook computer’s power is on, and the
keyboard is working. One of the following
conditions occur:
•
Pressing keys on the external keyboard has
no effect.
•
Pressing keys on the external keyboard give
incorrect characters.
•
The mouse cursor on the screen doesn’t
move in conjunction with the external
mouse.
•
Make sure that the external mouse or
keyboard’s connection to the notebook
computer’s PS/2 mini-DIN connector is
secure.
•
Make sure the mouse trackball and postion
sensors are clean and free of dust.
•
Replace the external mouse or keyboard and
try again.
•
If the system still doesn’t work, reseat the
I/O panel connector on the Motherboard
(
Figure 4-18
)
•
Replace the I/O Panel (
Figure 4-27
).
HDD Failure
Problem Troubleshooting Procedure
When you try to access the HDD, one of the
following conditions occur:
•
There is a message indicating that the HDD
doesn’t exist.
•
You can’t read from the HDD.
•
You can’t write to the HDD.
•
Check to make sure that the BIOS settings
are correct. Refer to Chapter 2 for BIOS
information.
•
Make sure that the HDD connection is
secure.
•
Try a known good hard drive.
•
Install the HDD into another HiNote Ultra
2000 notebook computer to test it.
•
If the HDD works in a test notebook
computer, the HDD controller on the
Motherboard is probably bad. Test the
Motherboard.