Solving Hard Drive Problems - Compaq 1650 Maintenance & Service Manual

"Compaq.com - Compaq Presario 1600 Series Maintenance and Service Guide - Models: 1650 and 1655
This display panel has a continuous pattern
across it (e.g., a "jailbars" pattern), has a
single color on it, or has garbled graphics
across the entire panel. This failure is for
patterns across the entire panel (not just
on one section).
To perform a "self-test" on an external VGA color monitor, complete the following steps: The screen
NOTE: should be white. A narrow black border may also appear on the left and right sides of the display. Either
of these displays indicates that the monitor is working properly.

Solving Hard Drive Problems

Some common causes and solutions for hard drive problems are listed in the following table.
CAUTION: To prevent loss of information, always maintain an up-to-date backup of your hard drive at
all times, in case of errors or failures.
Problem
Reading hard drive takes an
unusually long time after restarting
the computer.
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Improper display cable
connections
Defective display cable.
Defective inverter board.
Defective system board.
Solving Hard Drive Problems
Probable Cause
System entered Hibernation due to
low battery condition and is now
exiting from it.
Reseat the display cable to the
following until the problem is solved:
1. System board
2. Display assembly
Replace the display assembly.
Replace the display assembly.
Replace the system board.
Solution(s)
Give the system time to restore the
previously saved data to its exact
state before Hibernation.