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System Reboots When Checking Windows Experience Index

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I just finished up building my first PC (yay!), running Windows 7. I'm pretty sure everything is working, but when I try to Check the Windows Experience Index, it runs the test and then reboots my system when testing DirecX 9. Because of that, I'm sure it has something to do with my Graphics Card (HD4830), but not sure what. Any ideas? I've already updated the driver via the Device Manager, and tried one from ATI's website. I haven't tried to play a game yet, but will soon.

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Ok, so the same thing happens when I start a game, the computer just suddenly reboots.

Reply to Syrus28

What psu do you have?

I have this Enermax 425W PSU
http://www.newegg.com/Product/Prod [...] 6817194031

As I've said, this is my first build, so I may have messed something up when assembling it.

Message edited by Syrus28 on 04-19-2009 at 07:42:24 AM

Reply to Syrus28

Ok, I was thinking it could be a bad psu, mine had the same symptoms right before it fried my motherboard. The wattage is plenty for the system though.

Uninstall your gpu driver completely and get the newest one from the manufacturer's site.

When I try to install a Driver manually, Windows says "Windows has determined the driver software is up to date".

These are the steps I followed...

1. I downloaded the display drivers from here
http://support.amd.com/us/gpudownl [...] %20Edition

2. Opened the Device Manager, and tried to manually direct the "Display Adapter" to the downloaded file.

Message edited by Syrus28 on 04-19-2009 at 08:12:46 AM

Reply to Syrus28

Did you uninstall first? Sometimes that makes a difference. I wouldn't rule out a bad power supply yet, though. Any burning smell from the pc?

Reply to irkjab

Nope, no burning smell. The drivers didn't work either. I uninstalled the ATI Catalyst Manager, and was able to reach the game's loading screen (I couldn't get pass the opening cinematic before). Maybe the Graphics Card is overheating?

Reply to Syrus28

I'd say the most likely cause is a bad PSU then.

------------------------------ Asus P6T deluxe
i7 965 @ 4.2GHz (200*21), 1.384V
12GB Corsair Dominator DDR3-1600 CAS 7
Reply to cjl

Hmm... I had a similar problem from a previous iBuyPower machine, but I was able to atleast run the game for a while before it rebooted. Maybe it's my outlet? I'll try to switch outlets when I get home.

Reply to Syrus28

Ok, so now the computer won't even boot into Windows without shutting down, and rebooting a few times If it is a faulty PSU, do I take this up with Newegg or Enermax?

Message edited by Syrus28 on 04-19-2009 at 11:27:47 PM

Reply to Syrus28

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