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I recently replaced the MSI 560 Ti TFII in my system with a HD 7950. The 560 was working perfectly but was showing it's age. Today I tried to put it in my son's machine. He has the following specs:

Intel i5 3570K O/C to 4.3
Intel IG HD Graphics 4000
Antec H2O 920 CPU cooler
Asus P8Z77-V Pro Mobo
8 Gig GSkill Ripjaws X F3 12800 (2x4) 9/9/9/24
WD FAEX Caviar Black 1TB Hard Drive
OCZ ModXstream-Pro 700W Power supply
Benq G2220HD monitor
Windows 7 Ultimate

The integrated graphics were working fine, but I wanted to put the GTX 560 Ti in to improve gaming etc. I installed the card and when it booted up Windows installed it's own drivers. The system was working as it should, but when I downloaded and installed the latest drivers from Nvidea (314.22 ), they installed fine, but on restart, the screen goes black - no signal detected - immediately after the Windows start up logo. I have to hit reset and when it loads into safe mode everything is OK. But if I load Windows normally I get the black screen after the Windows logo.

I rebooted into safe mode uninstalled the drivers, used DriveSweeper and rebooted. On restart I did a clean install of the latest Nvidea drivers and they seem to install fine, but once again on restart I get a black screen after the Windows logo.

I've done some research, but no solution yet. Is it because the latest drivers are causing a problem? Would an older driver fix it? Is my power supply crap? If, so, why does it run fine until I reboot? Is it a conflict between the onboard integrated graphics and the GTX 560? Is there a way to disable the HD 4000 to resolve the conflict? Is it a driver conflict with the VGA drivers that Windows is loading when the card is first detected? Should I uninstall the Windows update containing those conflicting drivers? Someone mentione that it may be the refresh rate of the monitor is too high, but I can't get to the desktop to change Nvidea settings - not available in safe mode.

Any ideas? I have uninstalled and installed the drivers several time with no luck. I've had to remove the card and it goes back to the IGPU which works fine. Where's the conflict? Thanks
My Rig
(14 items)
 
  
CPUMotherboardGraphicsGraphics
2600K Asus P8 Z77-V Pro Gigabyte HD 7950 Gigabyte HD 7950 
RAMHard DriveHard DriveHard Drive
G.Skill Ripjaw X 12800 Samsung EVO 840 Western Digital 1 TB Black Western Digital 1 TB Black 
Optical DriveCoolingOSMonitor
LG super-multi XSPC Water Cooling Windows 7 Ultimate Benq G2222HD 
PowerCase
LEPA G850-MAS 850 W Corsair 800D 
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My Rig
(14 items)
 
  
CPUMotherboardGraphicsGraphics
2600K Asus P8 Z77-V Pro Gigabyte HD 7950 Gigabyte HD 7950 
RAMHard DriveHard DriveHard Drive
G.Skill Ripjaw X 12800 Samsung EVO 840 Western Digital 1 TB Black Western Digital 1 TB Black 
Optical DriveCoolingOSMonitor
LG super-multi XSPC Water Cooling Windows 7 Ultimate Benq G2222HD 
PowerCase
LEPA G850-MAS 850 W Corsair 800D 
  hide details  
Reply