HP Compaq dc5700 MT User Manual

D–6 437804-001 Service Reference Guide, dc5700
Troubleshooting Without Diagnostics
System does not power
on and the LEDs on the
front of the computer
are not flashing.
System unable to power
on.
Press and hold the power button for
less than 4 seconds. If the hard drive
LED turns green, then:
1. Check that the voltage selector,
located on the rear of the power
supply on some models, is set to
the appropriate voltage. Proper
voltage setting depends on your
region.
2. Remove the expansion cards one
at a time until the 5V_aux light on
the system board turns on.
3. Replace the system board.
OR
Press and hold the power button for
less than 4 seconds. The hard drive
LED does not turn on green.
1. Check that the unit is plugged
into a working AC outlet.
2. Open hood and check that the
power button harness is properly
connected to the system board.
3. Check that both power supply
cables are properly connected to
the system board.
4. Check to see if the 5V_aux light
on the system board is turned on.
If it is turned on, then replace the
power button harness.
5. If the 5V_aux light on the system
board is off, then replace the
power supply.
6. Replace the system board.
Solving Minor Problems (Continued)
Problem Cause Possible 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