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EVGA nForce 780i SLI boot problem

Forum Motherboards & Memory : General Motherboard - EVGA nForce 780i SLI boot problem

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utahjazzfan43   08-15-2008 at 12:45:48 AM

I downloaded and installed the drivers for the motherboard but now I cant get past the Windows XP screen. It goes blank before the login screen. Anyone know what could be wrong?

I just built this PC yesterday and had no problems....

EVGA nForce 780i SLI
Intel Core 2 Duo E8500
XFX 8800 GTS 512Mb
2 gigs of ram

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juvealert   08-15-2008 at 01:48:27 AM
- 0 +

try entering xp in safe by pressing "F8" once the system has POSTed

it must be a bad driver

Reply to juvealert
thurst0n   08-15-2008 at 01:50:26 AM
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Sounds like a similiar problem I was having. It ended up beign a discrepency with the BIOS and the video setting. Make sure it's set to display through 8800.

Also make sure you're using the primary slot on the card.
Also make sure windows is set to also use the 8800 as the display adapter.

these are my nub suggestions. Good luck

Reply to thurst0n
utahjazzfan43   08-15-2008 at 04:06:33 AM
- 0 +

After booting in safe mode I can get to the login screen but my mouse and keyboard don't work. Very strange... I can understand the mouse not working but the keyboard?

EDIT: Should I try repairing Windows? Can I do this without losing everything on my HDD?


Message edited by utahjazzfan43 on 08-15-2008 at 05:38:29 AM
Reply to utahjazzfan43
TheOcho   10-09-2008 at 11:54:04 PM
- 0 +

I am having this exact same problem after upgrading to the 15.23 chipset. It has been a few months since you posted so I am guessing you fixed it. I have been checking the Evga and Nvidia forums but couldn't find the answer.

Reply to TheOcho
mgabos   11-08-2008 at 09:51:01 PM
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I also have this exact same issue. I installed a second 8800 512GTS and then tried to upgrade to the 15.23 drivers, when it uninstalled the old drivers and rebooted it will not get to the log in screen. I then try and boot in safe mode and i can get to the log in screen. but the mouse and keyboard dont work. There is power going to both the mouse and keyboard, and the keyboard works in the BIOS just fine. Any help would be greatlly appreciated.

Is there any way that i can restore the old motherboard drivers?


Message edited by mgabos on 11-08-2008 at 10:12:17 PM
Reply to mgabos
Klips   11-13-2008 at 04:32:16 AM
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Same problem... No Keyboard or mouse after upgrading MB drivers. Neither USB or PS2 keyboard and/or mouse will work. Anyone with a solution?

Reply to Klips
Anonymous   05-09-2009 at 04:41:35 AM
- 0 +

I have same problem but withe vista 64 bit. I just built my computer a few weeks ago, and now i can get through BIOS but not in vista... HELP

Reply to Anonymous
Gipper101   06-22-2009 at 09:06:06 PM
- 0 +

I have the same exact problem and i have an 780i tri sli board with 2 8800gt's in sli with 4 gigs of ram, is there anything we can do? anyone know how to solve this problem?

Reply to Gipper101
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