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Reboot loop

Last response: in Windows 7
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January 14, 2010 2:07:26 PM

I have a computer with a P4MST890 Pentium D 3.0GHz, 9800GTX+ and a 500GB SATA. When I put Windows 7 on it the first time it worked perfect and I restarted it a few times and it loaded each time but the next morning I turned it on and it would fall into a reboot loop. If I remove the Graphics card and use the onboard card it works fine. This has really puzzled me on what could make it do that because it worked the first time with it in there.

Any help would be great Thanks. :) 

More about : reboot loop

a b $ Windows 7
January 14, 2010 2:46:54 PM

Try booting in Safe Mode, removing the graphics card in Device Manager and letting it reinstall when you reboot. (What graphics card is it, as a matter of interest?)
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January 14, 2010 3:07:36 PM

Ijack said:
Try booting in Safe Mode, removing the graphics card in Device Manager and letting it reinstall when you reboot. (What graphics card is it, as a matter of interest?)


I'll have to try that. It is a PNY 9800GTX+
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a b $ Windows 7
January 14, 2010 3:09:27 PM

In that case, if you can boot in Safe Mode (or you could try VGA mode) I would download the latest generic NVidia driver from their website and install that.
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January 14, 2010 10:35:48 PM

Ijack said:
In that case, if you can boot in Safe Mode (or you could try VGA mode) I would download the latest generic NVidia driver from their website and install that.

How do you do VGA mode there are two DVI's on the card only. I didn't say this in the first post but it won't boot into windows at all it post's then reboots. I have not triad Safe-mode yet though. I just wanted a list of ideas before I went to install it again.

Thanks!
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a b $ Windows 7
January 15, 2010 6:01:04 AM

You get into VGA mode by pressing F8 during boot and choosing it from the menu (it will still output via the DVI connector). But, if you're not getting that far that's not going to work. I'm beginning to wonder if your video card has a hardware fault; I'm not aware of anything else that would cause a reboot without even trying to boot Windows.

You could always remove the video card, boot, remove the drivers, shutdown and put the card back in to see what happens.
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January 15, 2010 5:52:19 PM

Ijack said:
You get into VGA mode by pressing F8 during boot and choosing it from the menu (it will still output via the DVI connector). But, if you're not getting that far that's not going to work. I'm beginning to wonder if your video card has a hardware fault; I'm not aware of anything else that would cause a reboot without even trying to boot Windows.

You could always remove the video card, boot, remove the drivers, shutdown and put the card back in to see what happens.

The Video Card works fine with XP. Could it still be faulty hardware? I've never had any problems with it.
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a b $ Windows 7
January 15, 2010 6:32:12 PM

That would seem to eliminate it as the cause of the problem! Try my other suggestion.
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January 18, 2010 11:24:54 PM

Ok I installed Windows 7 again and Pressed F8 but after it post's it just goes black and restarts. I have tried a number of Bios settings and nothing works!
Are there any other suggestions that I might try? I don't understand why it worked fine the first time I installed but now nothing! :( 
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a b $ Windows 7
January 19, 2010 12:40:43 AM

stratego51 said:
Ok I installed Windows 7 again and Pressed F8 but after it post's it just goes black and restarts. I have tried a number of Bios settings and nothing works!
Are there any other suggestions that I might try? I don't understand why it worked fine the first time I installed but now nothing! :( 


Is this with the video card, or onboard video?
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January 20, 2010 2:28:23 AM

aford10 said:
Is this with the video card, or onboard video?

With the video card. If i take it out it works fine
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a b $ Windows 7
January 20, 2010 10:56:26 AM

It sounds like a driver.

Did you ever try safe mode?
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January 20, 2010 2:36:22 PM

aford10 said:
It sounds like a driver.

Did you ever try safe mode?

How do you get to safe mode? The only way I know how is by F8 and it wont even do that. When I press F8 it looks like its going to that options screen (Not sure what its called) but then just restarts. I have tried to take the card out and install drivers but they wont install without the card.
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a b $ Windows 7
January 20, 2010 3:00:19 PM

Yes, f8 is the access key to get the safe mode menu.

Try plugging the video card into the PCIe slot. Don't plug in the power, and use the onboard video.
results?

then,

Same setup, but connect the PCIe power connector.
results?
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January 20, 2010 3:16:05 PM

aford10 said:
Yes, f8 is the access key to get the safe mode menu.

Try plugging the video card into the PCIe slot. Don't plug in the power, and use the onboard video.
results?

then,

Same setup, but connect the PCIe power connector.
results?

Do I do this still using the onboard video after I plug the power into the Main card?
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a b $ Windows 7
January 20, 2010 3:23:17 PM

Yes, use the onboard video for both tests.
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January 20, 2010 3:46:47 PM

aford10 said:
Yes, use the onboard video for both tests.

I tried it and neither cards will show any video. I think it is because with the card in it' it wants to use the PCIe slot so that's why the onboard won't work too. and I didn't see any Bios setting that lets you choose which one to use.
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a b $ Windows 7
January 20, 2010 4:34:08 PM

Have you checked to see if there's a BIOS update?
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January 20, 2010 5:10:19 PM

aford10 said:
Have you checked to see if there's a BIOS update?

Ya I got the Bios Update. I think I am going to give up on it. I have been trying to fix this thing forever. Nothing works.
Thanks for all the help though.
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a b $ Windows 7
January 20, 2010 6:09:35 PM

If it didn't work in XP, I would say for sure it's the hardware.

I'm baffled.
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January 21, 2010 12:50:21 AM

aford10 said:
If it didn't work in XP, I would say for sure it's the hardware.

I'm baffled.

It worked fine in XP. I have NO IDEA what it could be.
Thanks for your time though. :) 
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January 21, 2010 3:50:01 PM

I had a loop problem with a sound card v. onboard sound. I fixed it by disabling the onboard sound. I would try disabling the onboard graphics in BIOS then uninstalling the graphics card in Device Manager. Reboot and let windows ask for drivers. Fingers crossed.
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a b $ Windows 7
January 21, 2010 4:02:11 PM

That shouldn't make a difference between XP and Windows 7, but it may be worth a shot. By default, it should be on auto, so adding a video card, it disables the onboard video.
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January 22, 2010 2:44:39 PM

Ya when I put the graphics card in I get no video on the onboard card. I don't think there is a way to disable it in the bios anyway. Could it be that it is just both the graphics card and the mobo? Like its not a good combination maybe. So if I bought a new mobo do you think Win 7 would work with the graphics card?
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a b $ Windows 7
January 22, 2010 3:09:38 PM

The BIOS varies for different motherboards. Your BIOS may just not have the option to disable the onboard video.

The thing is, the graphics card and motherboard used the same slot for XP and you say it worked.

Without for sure nailing down the cause, I couldn't say for sure that a different motherboard would work any better. A different motherboard would bring different and maybe more BIOS options.
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January 23, 2010 6:06:27 AM

aford10 said:
The BIOS varies for different motherboards. Your BIOS may just not have the option to disable the onboard video.

The thing is, the graphics card and motherboard used the same slot for XP and you say it worked.

Without for sure nailing down the cause, I couldn't say for sure that a different motherboard would work any better. A different motherboard would bring different and maybe more BIOS options.

I may just have to get a new computer. O well. It may be time for an upgrade.... anyway thanks for the help. :)  :)  :)  :)  :) 
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a b $ Windows 7
January 23, 2010 1:36:58 PM

You're welcome.
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February 2, 2010 3:56:51 PM

Best answer selected by Stratego51.
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February 6, 2010 4:14:14 AM

I didn't know how else to leave good feedback for the help. That's why i did that :) 
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a b $ Windows 7
February 6, 2010 6:10:35 AM

This topic has been closed by Mousemonkey
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