HP ProSignia 320 Desktop PC 6433C Compaq Deskpro Family of Personal Computers, - Page 15

No Video, Part 1, Error Messages, Initial Troubleshooting., Notes, Caution

Page 15 highlights

5. No Video, Part 1 No video Beeps or flashing CPU or keyboard lights? N Caution: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source or the unit before beginning disassembly procedures. Y Go to Page 2-9, Error Messages, Part 1 Monitor LED Y on? N LED color? (note 1) Green Contrast and brightness turned up? N Turn contrast and brightness up. Amber Y Video adapter connected? (note 2) N Y Go to Page 2-7, No Video, Part 2 Plug in, turn on, and return to Page 2-2, Initial Troubleshooting. Monitor Y plugged in and turned on? Reconnect monitor (note 3). Y Video OK? Done N Plug in and turn on monitor, then return to Page 2-2, Initial Troubleshooting. N Notes: 1. Older monitors do not support the amber LED. 2. If more than one adapter is installed, monitor must be connected to primary controller. 3. Turn off and unplug computer before reconnecting cables. Replace monitor. 2-6 Troubleshooting Flowcharts for Desktop Computers

  • 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

2-6
Troubleshooting Flowcharts for Desktop Computers
5. No Video, Part 1
No video
Beeps or
flashing CPU
or keyboard
lights?
Monitor LED
on?
Contrast and
brightness
turned up?
Turn contrast and
brightness up.
Go to Page 2-7,
No Video, Part 2
Go to Page 2-9,
Error Messages,
Part 1
LED color?
(note 1)
Video
adapter
connected?
(note 2)
Monitor
plugged in and
turned on?
Plug in and turn on
monitor, then
return to Page 2-2,
Initial Troubleshooting.
Reconnect
monitor
(note 3).
Y
N
Y
Y
N
N
Green
Amber
N
Notes:
1.
Older monitors do not support the amber LED.
2.
If more than one adapter is installed, monitor
must be connected to primary controller.
3.
Turn off and unplug computer before
reconnecting cables.
N
Video OK?
Y
Done
Caution:
Power is continuous to the system board and power supply even
when the power switch is turned off. To prevent damage to the unit, disconnect
the power cord from the power source or the unit before beginning disassembly
procedures.
Y
Y
Plug in, turn on, and
return to Page 2-2,
Initial Troubleshooting.
Replace monitor.
N