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Installed new gpu and pc is dead

908 Views 26 Replies 10 Participants Last post by  Illusion Of Progress
Hey guys,
I installed a new gpu and my pc ran for a while. I had blue screen errors left and right. I decided to put the old card in after a final blue screen and now nothing. I put the new card back in and still nothing. The machine fires up all lights and fans but no video. I reset bios (via the battery) and that did not help. I was wondering if my psu went. Initially I had a 8800gts640 and all was well then I ran a 8800 GTX in there and I was having blue screens with that and assumed it was my card. I then put a 9800gtx and was okay, but never got the performance I thought I should. It crashed some, but no blue screens. I now put a 4870 in and it was blue screening left and right. I have a bfg 650 psu. Specs say it should be fine. Hopefully my motherboard is not cooked. Any thoughts where to start.
Thanx for input PJ
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Try taking out a memory module, and swap them around in the different slots.
You do have the extra power connectors inserted in the card?
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Yes I did. Tried moving memory also.
If the PSU went, fine. I just hope I don't have all kinds of parts going with it. If I have to replace mobo, thats okay.
did you remove the drivers before popping in the new card? have you tried booting the system with one stick of ram in? did you de-static yourself before going in?
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Quote:


Originally Posted by pjj1180
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Yes I did. Tried moving memory also.

It could also be your PSU, a while ago I read about a guy that had 3 different BFG 650w die in a row.

What kind of blue screens were you getting? Would it hang or reboot?
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Did all but tried booting with one stick I will try that now.
Leave it for a bit (the PSU), and after it's good and cold, try doing a run with only the following -

1. your least powerful GPU
2. 1 stick of ram (try in different slots each boot)
3. Nothing else (no HDD's or anything)

See if that boots.
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Originally Posted by pjj1180
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Did all but tried booting with one stick I will try that now.

keep us posted.
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Well it fired up with the 1 stick in. That does not fix the blue screen issue. I have beed getting different issues. Like page fault and irq and ati....

Hey thanx guys for the help so far, really
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Quote:


Originally Posted by pjj1180
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Well it fired up with the 1 stick in. That does not fix the blue screen issue. I have beed getting different issues. Like page fault and irq and ati....

Hey thanx guys for the help so far, really

if you get the chance, write down the errors?

also, power down completely? take the power from the board.. unplug the cpu... reset the cmos and then try once more?
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You can see the bluescreens:

start/control panel/system/advanced options/startup and recovery (start automatically again), don't mark it.
So I reseated the cpu and cleared cmos and totally powered down and fired back up. I set the option to not restart on blue screens. I now notice since this episode my rfactor(game) exe is not working at all. It tries to open a web page? Must have got corrupted. I will post back with future blue screen errors.
Thanx again guys
To test if the PSU is overwhelmed try these:
-powerup and on desktop use any tool you know to check for the +12V voltage; it should be at least @11.6V, though over 11.8V would be even better
-start some game while monitoring in the background the +12V voltage (use speedfan for example) it should never drop under 11.6V, preferably it should stay over 11.8V

A PSU when it's pushed too far has the tendency to lower +12V voltages. A solid +12 on the +12V rail points to a healthy PSU.
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Blue screen errors are from my experience memory sticks with slight problems Run Memtest86 for a few days and see if error ensue.
Quote:


Originally Posted by coonsaa
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Blue screen errors are from my experience memory sticks with slight problems Run Memtest86 for a few days and see if error ensue.

Useless in this situtation, just a waste of time.
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I have heard you can jump the PSU with a paper clip and measure the rails with a multimeter to test if its still good. never done it before but may be worth a try if anyone has more data on it.
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