HP Compaq dc5700 MT User Manual

D–26 437804-001 Service Reference Guide, dc5700
Troubleshooting Without Diagnostics
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 Appendix C
“POST Error Messages” to
determine possible causes.
Power LED flashes Red five
times, once every second,
followed by a two second
pause, and the computer
beeps five times. Beeps
continue for five iterations
after which the LED flashes
will continue until the
problem is resolved.
Memory is installed
incorrectly or is bad.
Ä
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.
3. Replace third-party memory
with HP memory.
4. Replace the system board.
Power LED flashes Red six
times, once every second,
followed by a two second
pause, and the computer
beeps six times. Beeps
continue for five iterations
after which the LED flashes
will continue until the
problem is resolved.
Graphics card is not
seated properly or is
bad, or system board is
bad.
For systems with a graphics card:
1. R e s e a t t h e g ra p h i c s c a rd. Powe r
on the system.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated
graphics, replace the system board.
Power LED flashes Red ten
times, once every second,
followed by a two second
pause, and the computer
beeps ten times. Beeps
continue for five iterations
after which the LED flashes
will continue until the
problem is resolved
Bad option card. 1. Check each option card by
removing the cards one at time
(if multiple cards), then power
on the system to see if fault goes
away.
2. Once bad card is identified,
remove and replace bad option
card.
3. Replace the system board.
Solving Hardware Installation Problems (Continued)
Problem Cause Solution

HP Compaq dc5700 MT Specifications

General

Chipset	Intel Q965 Express
Audio	Integrated High Definition audio
Network	Integrated Broadcom NetXtreme Gigabit Ethernet
Power Supply	300W
Form Factor	Microtower
Processor	Intel Pentium D, Intel Celeron D
Memory	Up to 4 GB DDR2
Graphics	Intel Graphics Media Accelerator 3000
Optical Drive	DVD-ROM
Expansion Slots	1 PCI Express x16
Ports	USB 2.0, VGA, serial, parallel
Operating System	Windows XP Professional, Windows Vista
Storage	SATA Hard Drive