HP Deskpro /M Desktop PC 486/25M Getting Started Evo Desktop Family Evo Workst - Page 17

Problem, Cause, Solution, Continued

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Basic Troubleshooting Solving Minor Problems (Continued) Problem Cause Solution Computer appears Software control of the locked up and will not power switch is not turn off when the functional. power button is pressed. Press and hold the power button for at least 4 seconds until the computer turns off. Computer date and time display is incorrect. RTC (real-time clock) battery may need to be replaced. Battery life is approximately 35 years. First, reset the date and time under Control Panel. If the problem persists, replace the RTC battery. Refer to the Hardware Reference Guide for instructions on installing a new battery, or contact your Compaq authorized dealer or reseller for RTC battery replacement. Computer powered off automatically and the Power LED is: 1. Flashing Red or Yellow four times per second, OR 2. Flashing Red or Yellow two times one second apart, followed by a two second pause, OR The unit temperature was 1. Unit is in an exceedingly hot exceeded. The fan may be environment. Let it cool down. blocked. 2. Ensure that computer air vents are not blocked and internal fan is running. Contact Compaq authorized reseller or service provider. 3. Not flashing. The unit temperature was exceeded because the computer was functioning with the cover or access panel removed. Replace cover or access panel, and let the computer cool down before attempting to turn on power to the computer. Computer appears to pause periodically. Network driver is loaded and no network connection is established. Establish a network connection, or use Computer Setup or Windows Device Manager to disable the network controller. Getting Started 2-7

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Basic Troubleshooting
Solving Minor Problems
(Continued)
Problem
Cause
Solution
Computer appears
locked up and will not
turn off when the
power button is pressed.
Software control of the
power switch is not
functional.
Press and hold the power button for
at least 4 seconds until the computer
turns off.
Computer date and
time display is
incorrect.
RTC (real-time clock)
battery may need to be
replaced. Battery life is
approximately 35 years.
First, reset the date and time under
Control Panel. If the problem
persists, replace the RTC battery.
Refer to the
Hardware Reference
Guide
for instructions on installing a
new battery, or contact your Compaq
authorized dealer or reseller for RTC
battery replacement.
Computer powered off
automatically and the
Power LED is:
1. Flashing Red or
Yellow four times
per second, OR
2. Flashing Red or
Yellow two times
one second apart,
followed by a two
second pause, OR
3. Not flashing.
The unit temperature was
exceeded. The fan may be
blocked.
1. Unit is in an exceedingly hot
environment. Let it cool down.
2. Ensure that computer air vents
are not blocked and internal fan is
running.
Contact Compaq authorized reseller
or service provider.
The unit temperature was
exceeded because the
computer was functioning
with the cover or access
panel removed.
Replace cover or access panel, and
let the computer cool down before
attempting to turn on power to the
computer.
Computer appears to
pause periodically.
Network driver is loaded
and no network
connection is
established.
Establish a network connection, or
use Computer Setup or Windows
Device Manager to disable the
network controller.
Getting Started
2-7