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Thread: GPU fan at 100% no post

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    GPU fan at 100% no post

    I've had this issue for quite a while where my 275 will just spin at 100% on boot, for 5-10 seconds and then post.

    I've just had a blue screen where I had to switch it off. It now does not post and the GPU fan is at 100%.

    I havent changed anything and my rig has been the same for quite a while.

    I'm in the process of resetting the CMOS and unplugging it for 20 minutes, and i'll try to get it to POST.. but I'm highly doubtful.

    I've swapped the ram about, checked all the connections, and taken and reseated the GPU with no joy.

    Any ideas might help but i'm tempted to buy a new GPU. I hope its not the Motherboard..
    Hello, i'm spaced. Lover of mountains and lakes.

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    Senior Member kalniel's Avatar
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    Re: GPU fan at 100% no post

    Quote Originally Posted by spac3d View Post
    I've had this issue for quite a while where my 275 will just spin at 100% on boot, for 5-10 seconds and then post.
    That's relatively normal - bit long maybe.

    I've just had a blue screen where I had to switch it off. It now does not post and the GPU fan is at 100%.
    That's not normal.

    I havent changed anything and my rig has been the same for quite a while.

    I'm in the process of resetting the CMOS and unplugging it for 20 minutes, and i'll try to get it to POST.. but I'm highly doubtful.

    I've swapped the ram about, checked all the connections, and taken and reseated the GPU with no joy.

    Any ideas might help but i'm tempted to buy a new GPU. I hope its not the Motherboard..
    See if you can get a second card (of any sort) to check.

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    Re: GPU fan at 100% no post

    I've got it to post after leaving the bios battery and cmos reset jumper on.

    But now it just spins for twice as long, and eventually posts..

    Really unsure what the problem could be.
    Hello, i'm spaced. Lover of mountains and lakes.

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    Re: GPU fan at 100% no post

    Could it be an issue with the PSU?
    Modular cable coming loose or something?

    I remember when after trying a different graphics card in my PC I put my 570 back in but forgot to connect up the PSU cables and the fan on that spun up to 100% (I'd guess) but it didn't post. Once I checked it and saw the cables unplugged I plugged them back in and it was fine.

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    Re: GPU fan at 100% no post

    Quote Originally Posted by spac3d View Post
    I've got it to post after leaving the bios battery and cmos reset jumper on.

    But now it just spins for twice as long, and eventually posts..

    Really unsure what the problem could be.
    If you have cleared the CMOS memory (and therefore reset all the BIOS parameters to the default) you should go back into the BIOS settings and make sure they are set as you wish. For example, if your mobo has built in graphics, but you are using an external graphics card, disabling the on board graphics (rather than leaving the BIOS to detect the external card) may improve boot times. The same is true for other parameters in the BIOS. You should also look at the boot order, if it is set to other than hard drive first, the machine won't boot until the other devices have timed out. You might want to set the BIOS to short Power On Self Test (POST) as doing a long test every time the machine boots will increase boot times too.
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