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No display after GFX card change

Similar thing happened to me with my 780. I unplugged it, used my mobo as the output for display, installed the 780 drivers, and then plugged it back in. Worked fine.
 
This goes from bad to worse. I phoned OC for some technical advice just to see if I'd done anything wrong and the only thing he could suggest was updating the BIOS.

So I've done this via Qflash and now Windows wont start, it boots up to the Windows Error Recovery screen with 'Launch Startup Repair' and 'Start Windows Normally' options, neither of which work, it says it can't repair it.

So now I'm in no mans land with no idea how to sort it.
 
If you updated the bios they is a good chance it's reset bios to default.
Windows could if been installed with achi mode and default could be ide or raid.
 
PC spec (from the top of my head)

550w OCZ PS
Gigabyte GA-Z77-D3H mobo
Core i3
16gb RAM (can't remember make without looking)
64GB SSD for OS and games
2TB HDD for storage
GFX was a HD6850
Monitor is a recent Dell 24" LED 1900x1200 connected via DVI
W7 64bit Ultimate

It all ran sweet, I was just looking for GFX upgrade and it's all gone a bit pear shaped.

I'm wondering if the easiest option is a reinstall of windows? I can't get in to do anything, it gives me the system restore options, recover from image etc etc.. but nothing works.

I have the error report after it has tried to repair if that is any help.

Edit: FWIW the BIOS update went fine and it boots up fine up until trying to load windows.
 
Can you get into safe mode? If you can they is a regedit that let's you set the sata controller to 0
You can then in bios set the sata controller to ahci and see if windows boots.

If not you will need to reinstall, just remember next time a bios update resets theses settings.
 
You need to change the HD controller setting to what it was previously. Enter the bios and toggle the setting. If it's set to AHCI, change it and vice versa.
 
Edit: FWIW the BIOS update went fine and it boots up fine up until trying to load windows.
As other have said...the chances are with the bios update, it has reset the SATA setting from AHCI back to IDE, which will stop you from getting into windows because your windows was installed onto your SSD while it was on AHCI mode. Just go into bios and find the SATA settings, and make sure you change it from IDE back to AHCI then save and exit, then windows should load without problem after that.
 
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