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jamesc1966
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February 15th, 2010 07:00
XPS 420
I have an XPS 420 that will not POST...diagnostic lights 1,3,and 4 are lit. I suspect this is a motherboard problem, and welcome any help/feedback.
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jamesc1966
3 Posts
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Posted February 15th, 2010 15:00
The power button LED is solid blue, and there are no beeps at all.
shesagordie
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Posted February 15th, 2010 20:00
jamesc1966
If you are comfortable working around computers, try the following:
Remove the power cord, hold power button in for several seconds to discharge the residue power.
Remove all the PCI cards, the video card [if applicable], memory, all peripherals, disconnect the data and power cables to all the drives, check that the front panel cable is connected to motherboard, with nothing else connected to the system, reconnect the power cable and power the system on.
If the fans spin up and there is no change in the diagnostic lights, or beep sequence, then it would appear that the motherboard has died and will need to be replaced.
Bev.shesagordie
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Posted February 16th, 2010 15:00
jamesc1966
You are welcome and good luck. :emotion-21:
Bev.
jamesc1966
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Posted February 16th, 2010 15:00
OK, I'll give it a shot. Thanks for the help!
fishywishy
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Posted February 17th, 2010 15:00
he replaced the cpu, gpu and psu and all works now:emotion-2:

shesagordie
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Posted February 15th, 2010 13:00
jamesc1966
What is the colour of the power button LED, is it blinking, solid?
Are there any 'Beeps?
THIS is the XPS 420 troubleshooter and diagnostic guide.
Bev.