VGA shuts off fan speeds up, pc force restart

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Arnas Raubickas

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Apr 13, 2013
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10,510
Hello, so I have this problem, after my PSU(450w) got bad after 5 years of honorable service I went and got it changed to the same 1, but after reinstalling windows my screen just goes black fan speeds up a bit, and the pc is doing force reboot. I got my VGA (radeon 4870x2) tested the same time I changed my PSU and it worked fine. Sometimes it turns off when im idle for 5 mins, most of the time when I check internet video like youtube the video goes green but the sound is ok and then it POPS. (I also had problem when installing new Catalyst drivers, sometimes the installed ccc wouldnt open, sometimes some of the components like AMD OverDrive wouldnt open in the menu so I driver-sweeped the video drivers in safe mode and installed fresh CCC. it wrote that install was successful).
Maybe it is a stress thing? like some kind of power strip or overload shutdown of vga? maybe its the old bios or smth wrong with my MOBO? Running pc in safe mode and it runs fine
 
Solution
Feldmarschall
That kind of symptoms can occur due to bad PSU or some bad component inside. I still have that issue in one PC and i'm keepeing it for running home server. It runs for 2 years with same symptoms. It can also occur due to incorrect seating of some component (short cuircut) but in that case it would not boot, it would stay in ON-OFF-ON loop.

It would be nice to test another PSU. It is probable that that's where your troubles lie.
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Feldmarschall

Feldmarschall

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Mar 9, 2013
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You ran 4870X2 with 450W PSU before without any troubles?
It is good PSU. But 4870x2 draws 286W in full load and that Zalman can deliver aprox 400W on 12V rails. So, if you have some monster CPU like some 95W or above CPU you'll be on the edge.

Sometimes when there is power managment issue video card will not perform as it should in terms of loading drivers and simillar.
 
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Arnas Raubickas

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Apr 13, 2013
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10,510


Sry for late answer. Yes I have a good processor. Are you saying I should try a better wattage PSU ? like 600 or higher? i can be able to do that monday
 
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Arnas Raubickas

Honorable
Apr 13, 2013
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10,510


No I don't need to buy I can check them out, cpu is INTEL E8400 core2d 3.0ghz 1333/6m S775, and yes I ran my card with that psu for 5 years :)

And I have also just now finished checking my RAM with that bootable program, everything seems good with them.
Some weird notice, when I boot up my pc it is like fans going off and on for few times until it starts normally
 
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Feldmarschall

Feldmarschall

Honorable
Mar 9, 2013
1,166
0
11,460
That kind of symptoms can occur due to bad PSU or some bad component inside. I still have that issue in one PC and i'm keepeing it for running home server. It runs for 2 years with same symptoms. It can also occur due to incorrect seating of some component (short cuircut) but in that case it would not boot, it would stay in ON-OFF-ON loop.

It would be nice to test another PSU. It is probable that that's where your troubles lie.
 
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Solution
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Arnas Raubickas

Honorable
Apr 13, 2013
8
0
10,510



So good news about the psu, i changed it to a 650w one and pc doesnt stutter anymore thnks for chat
 
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