HP Dc5000 Troubleshooting Guide - Page 24

Solving Power Supply Problems, Power LED flashes Red two

Get HP Dc5000 - Compaq Business Desktop PDF manuals and user guides
UPC - 829160313740
View all HP Dc5000 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 24 highlights

Troubleshooting Without Diagnostics Solving Power Supply Problems Solving Power Supply Problems Problem Cause Power supply shuts down intermittently. Voltage selector switch on rear of computer chassis not switched to correct line voltage (115V or 230V). Power supply will not turn on because of internal power supply fault. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second pause. Processor thermal protection activated: A fan may be blocked or not turning. OR The heatsink/fan assembly is not properly attached to the processor. Solution Select the proper AC voltage using the selector switch. Contact an authorized service provider to replace the power supply. 1. Ensure that the computer air vents are not blocked and the processor cooling fan is running. 2. Open hood, press the power button, and see if the processor fan spins. If the processor fan is not spinning, make sure the fan's cable is plugged onto the system board header. Ensure the fan is fully/properly seated or installed. 3. If fan is plugged in and seated properly, but is not spinning, then replace the processor fan. 4. Reseat processor heatsink and verify that the fan assembly is properly attached. 5. Contact an authorized reseller or service provider. 2-8 www.hp.com Troubleshooting Guide

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
2–8
www.hp.com
Troubleshooting Guide
Troubleshooting Without Diagnostics
Solving Power Supply Problems
Solving Power Supply Problems
Problem
Cause
Solution
Power supply shuts down
intermittently.
Voltage selector switch
on rear of computer
chassis not switched to
correct line voltage
(115V or 230V).
Select the proper AC voltage using
the selector switch.
Power supply will not
turn on because of
internal power supply
fault.
Contact an authorized service
provider to replace the power
supply.
Computer powered off
automatically and the
Power LED flashes Red two
times, once every second,
followed by a two second
pause.
Processor thermal
protection activated:
A fan may be blocked
or not turning.
OR
The heatsink/fan
assembly is not properly
attached to the
processor.
1. Ensure that the computer air
vents are not blocked and the
processor cooling fan is
running.
2. Open hood, press the power
button, and see if the processor
fan spins. If the processor fan is
not spinning, make sure the
fan's cable is plugged onto the
system board header. Ensure
the fan is fully/properly seated
or installed.
3. If fan is plugged in and seated
properly, but is not spinning,
then replace the processor fan.
4. Reseat processor heatsink and
verify that the fan assembly is
properly attached.
5. Contact an authorized reseller
or service provider.