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What could I have messed up?

  • Power Supplies
  • Components
Last response: in Components
September 21, 2012 11:37:34 PM

Hi all,

I gave installing a brand new EVGA GeForce GTX 480 in my system tonight. Things didn't go so well... got everything hooked up and ready to go, hit the power button and the machine started booting for approximately 3 seconds, then cut off, then powered on again.

I double checked all my wiring to make sure I didn't plug in anything incorrectly, and it looks good. Decided to just take the video card out and boot like that... same symptoms. Uh oh.

Gradually disconnected everything from power save for just the mobo/cpu/ram... same behavior. What could I have messed up?

Thanks in advance - I can provide additional details as you folks deem relevent.

More about : messed

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a c 137 ) Power supply
September 21, 2012 11:53:05 PM

Try clearing your cmos, see your owners manual, and see if it will boot up again.

Also please list your system or if its a pre-built then let us know the make and whole model number. For example: acer aspire would not be very helpful whereas acer aspire 5532 would allow us to find exactly whats inside.
September 22, 2012 12:04:39 AM

Its a custom built machine.

Asus P5Q mobo
Core 2 Duo E8500 cpu
2x2G OCZ DDR2 800 / 2x2G G.Skill DDR2 800 ram
OCZ Game X Stream 700W PSU

No overclocking/custom settings in the BOIS. System's been running fine for 4 years, very stable, no odd behavior until this.
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September 22, 2012 12:11:22 AM

Resetting the CMOS seems to have worked with the components listed above. I will try reattaching the rest of my system (HDD/GFX/etc) and report back.
September 22, 2012 12:34:55 AM

And it was just as simple as that. Thanks potapim. Saved my weekend :D 
September 22, 2012 12:35:10 AM

Best answer selected by Foddz.
a c 137 ) Power supply
September 22, 2012 2:10:04 AM

Nice when its some easy fix. Gives you a good scare at first though. LOL
a b ) Power supply
September 22, 2012 9:38:55 AM

This topic has been closed by Mousemonkey