Compaq DC7600 Getting Started - Enhanced for Accessibility - Page 27

Problem, Cause, Solution, Interpreting, Diagnostic Lights and, Audible Codes on, - review

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Getting Started Solving Hardware Installation Problems (Continued) Problem Cause Solution A new device is not recognized as part of the system. (continued) A plug and play board may not automatically configure when added if the default configuration conflicts with other devices. Use Windows XP Device Manager to deselect the automatic settings for the board and choose a basic configuration that does not cause a resource conflict. You can also use Computer Setup to reconfigure or disable devices to resolve the resource conflict. Computer will not start. Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. Review the documentation that came with the system to determine if you are using the correct memory modules and to verify the proper installation. 2. Observe the beeps and LED lights on the front of the computer. See "Interpreting Diagnostic Lights and Audible Codes" on page 25 to determine possible causes. 3. If you still cannot resolve the issue, contact Customer Support. Power LED flashes Red five times, once every second, followed by a two-second pause, and the computer beeps five times. The beeps continue for five iterations, then stop. The LED flashes continue until the problem is resolved. Memory is installed incorrectly or is bad. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Getting Started www.hp.com 23

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Getting Started
Solving Hardware Installation Problems
(Continued)
Problem
Cause
Solution
A new device is not
recognized as part
of the system.
(continued)
A plug and play
board may not
automatically
configure when
added if the default
configuration
conflicts with other
devices.
Use Windows XP Device
Manager to deselect the
automatic settings for the board
and choose a basic
configuration that does not
cause a resource conflict. You
can also use Computer Setup to
reconfigure or disable devices to
resolve the resource conflict.
Computer will not
Wrong memory
start.
modules were used
in the upgrade or
memory modules
were installed in the
wrong location.
1. Review the documentation
that came with the system
to determine if you are
using the correct memory
modules and to verify the
proper installation.
2. Observe the beeps and
LED lights on the front of the
computer. See
“Interpreting
Diagnostic Lights and
Audible Codes” on
page 25
to determine
possible causes.
3. If you still cannot resolve
the issue, contact Customer
Support.
Power LED flashes
Red five times, once
every second,
followed by a
two-second pause,
and the computer
beeps five times. The
beeps continue for
five iterations, then
stop. The LED flashes
continue until the
problem is resolved.
Memory is installed
incorrectly or is bad.
1. Reseat DIMMs. Power on
the system.
2. Replace DIMMs one at a
time to isolate the faulty
module.
3. Replace third-party memory
with HP memory.
4. Replace the system board.
Getting Started
www.hp.com
23