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Dell Dimension 8200 - UNABLE TO BOOT -Need help asap!!!!!!

by zigmarleynme / August 13, 2010 7:37 AM PDT

Dell Dimension 8200 Desktop / WIN XP
Problem: Computer was running slow; screen started to display erratically (with lines or showing part of screen); then monitor began to turn on/off every couple of seconds;
Monitor message: monitor test has completed, monitor is operating ok,
check the power outlet and connections to computer
-checked everything and it was ok
- shut down and restarted; operated for a while
screen problems persisted;
- took several attempts at shutting down computer; operated a while
?thought computer may be overheating or display was dead
?then the blue screen came up indicating error with nv4_disp and if this error came up again the computer would shut down to protect the hard drive and not lose data
? i thought computer was losing power and didn't hear it running as usual
+ replaced the unit fan 1 yr. ago and it was not going on
- shut down and restarted; operated for a while
+ switched out the screen and computer worked fine for several hours

+ replaced the power supply - the power supply could be defective, but what are the chances...


the power on/reset switch - for the power strip/surge protector is ON
the orange light - grounded is ON
i noticed the green light "protected" usually blinks and the light is brighter, but now the green light is very dim and barely blinks
?Should i buy a new surge protector?

What should i troubleshoot next? OR does anyone have a FIX for my computer?

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Older system
by Willy / August 13, 2010 10:39 AM PDT

You have an older system that's dated as well. It saw better days. You mentioned you replaced the PSU, I hope it was the same and/or equivalent type. Excluding a true h/w fault, maybe it just isn't cutting it anymore via the PSU, because if the PSU was the same type(age), it too can be faltering. If some h/w fault, then its bringing down the system as a whole, you have to determine what is casuing thaT. basically, you need to make it as simple a system as possible. It takers the power demand away(some) and allows if a loaded system, reduce the boot-up time, etc.. Try all that and check results. You should also check and verify for "bad caps", google for examples. The 8200 model produced to include its age, can have a bad cap(s) fault. It sure seems to look like either issue, bad caps or weak PSU. If it gets too costly to fix or unable to resolve, maybe time to get another one. Seriously, a 8200 is based on RDRAM and if that's an issue, reseat all modules and try again, but that ram is costly.

tada -----Willy Happy

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by SvenStation / August 14, 2010 12:19 PM PDT

does the computer have integrated onboard video
or does it use a video card?

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