user manual

A new device is not recognized as part of the system.
Cause
Solution
A plug and play board may not automatically configure when
added if the default configuration conflicts with other devices.
Use Windows 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.
USB ports on the computer are disabled in Computer Setup. Enter Computer Setup (F10) and enable the USB ports.
Computer will not start.
Cause
Solution
Wrong memory modules were used in the upgrade or memory
modules were installed in the wrong location.
1. Review the Hardware Reference Guide for your 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. Beeps and flashing LEDs are codes for
specific problems.
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. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause
Solution
Memory is installed incorrectly or is bad. CAUTION: To avoid damage to the DIMMs or the system
board, you must unplug the computer power cord before
attempting to reseat, install, or remove a DIMM module.
1. Reseat DIMMs. Power on the system.
2. Replace DIMMs one at a time to isolate the faulty module.
NOTE: Refer to the Hardware Reference Guide for your
system for proper DIMM installation instructions.
3. Replace third-party memory with HP memory.
4. Replace the system board.
Table D-10 Solving Hardware Installation Problems (continued)
218 Appendix D Troubleshooting Without Diagnostics