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Computer Starts and Turns Immediatly Off with graphics card installed

Last response: in Graphics & Displays
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March 26, 2013 10:21:38 AM

Hi guys. I have a CCIVO 600W power supply and a Sapphire HD 7770 graphics card. My computer has been working with this set up for many months, but today for some reason I am having trouble.

When you turn on the computer with the graphics card installed and the 6pin connector plugged into the back of it, the computer starts and then after half a second turns off immediatly and does not restart at all when you push the power button.

When I take the graphics card out or even just unplug the 6 pin connector the computer starts and works normal and i have to use the onboard graphics.

Does anyone know why this is happening. Is it the PSU having problems or is the graphics card gone caboot.

Many thanks for any help

a b ) Power supply
a b U Graphics card
March 26, 2013 10:29:13 AM

Do you have another psu to try - my guess is that is your problem.
-Bruce
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a b ) Power supply
a b U Graphics card
March 26, 2013 10:54:57 AM

I agree with Dish your psu is on its last leg..
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March 26, 2013 10:59:12 AM

essexpaul83 said:
Hi guys. I have a CCIVO 600W power supply and a Sapphire HD 7770 graphics card. My computer has been working with this set up for many months, but today for some reason I am having trouble.

When you turn on the computer with the graphics card installed and the 6pin connector plugged into the back of it, the computer starts and then after half a second turns off immediatly and does not restart at all when you push the power button.

When I take the graphics card out or even just unplug the 6 pin connector the computer starts and works normal and i have to use the onboard graphics.

Does anyone know why this is happening. Is it the PSU having problems or is the graphics card gone caboot.

Many thanks for any help



Try this:
1. Unplug everything from your motherboard, including the power supply and video card, and all other cards. Look for loose screws or wires blocking fans.
2. Go have a cup of coffee, and say a little prayer.
3. Plug the power supply back into your motherboard and your monitor to the onboard video connector. Then power it on. Does everything look ok so far? Power down and then plug in the video card and power connector. Power on your PC. Does it come on and post ok? If so continue to add cards untill you find the card causing your PC to not boot.
4. If it is your video card, RMA the card. If the card works without any other cards but does not get along with other cards it is likely your Power Supply not being suffiecient or you may have a conflict, you can decide what you need to do then.

If when you are finished your computer seems to be working again, it was likely something loose, unplugging and reseating your connectors likely fixed the issue. If on the other hand you find another issue, you can address that. Just take your time and be thorough. Make sure there is no dust in your PC and by all means, don't forget to turn the power off any time you connect or disconnect anything. Even better unplug the power cable when you add or remove something. Also make sure all your fans are connected and operating.


I have had computers not boot and when I take the time to find the issue it turns out it really is something minor like a cable blocking a fan.
migrax
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a b ) Power supply
a c 84 U Graphics card
March 26, 2013 11:08:56 AM

Sounds like the power supply is getting weak.
Can you try another one?
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