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Messed up UEFIs flash

post #1 of 3
Thread Starter 
Just tried to flash BIOs on my r9 390x Sapphire Tri-X (no backplate) as the mem clock is always at 100% and that means at 1600Mhz OC speed I'm getting 50-55C idle temps.

This is perfectly safe afaik and the fans speeds are low and not annoying, but I flashed to hopefully get a few more days out of this card.

But this made it worse, I messed up my UEFI bios after editing it with "HawaiiBiosReader.exe" from this github "https://github.com/OneB1t/HawaiiBiosReader/".

I messed up BIOs, the mobo picked up the card, POST has no audio-able or visual errors.

Then it just hung on the boot screen. I have the option enabled in my mobo to replace the UEFI windows loading screen with a MSI one so I got no idea if windows was showing any errors.

No I pushed the button to switch into BIOs (non UEFI), and it booted fine, took a bit longer than normal but it booted with no errors.

Now here is my question,
If I push the button again to switch back to my "normal" bios with UEFI and flashed the BIOs again, will it flash my current one I'm running (the normal non UEFI, working) or will it flash my the UEFI one that is not working as I pushed the button again?
post #2 of 3
UEFI often reads and executes an option rom from the card. If you've corrupted the UEFI option rom then you should boot in legacy to re-flash the card to stock firmware.
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Ultra II
(13 items)
 
 
Servolator
(11 items)
 
CPUMotherboardGraphicsRAM
2nd generation Intel Core i7-2820QM Stock HP Radeon(TM) HD 6850M Standard HP RAM 
Hard DriveOptical DriveCoolingOS
Samsung 470 sieres Blu-ray player & SuperMulti DVD burner Standard 1-fan laptop setup Windows 7 Home Professional x64 
MonitorKeyboardPowerCase
17.3" diagonal Full HD HP 3D Ultra BrightView I... Backlit Keyboard with numeric keypad 130W Adaptable Power Brick HP Envy 17 3D Standard Case 
MouseAudioOther
Synaptics Touchpad Beats Audio HP 3D Active Shutter Glasses, HP TrueVision HD ... 
CPUMotherboardGraphicsRAM
Intel® Core™2 Quad Processor Q9550  XFX MB-N780-ISH9 LGA 775 NVIDIA nForce 780i SLI... GIGABYTE GeForce 210 ADATA 2GB 240-Pin DDR2 SDRAM 
Hard DriveHard DriveOptical DriveCooling
Western Digital Caviar Black Seagate Barracuda LG Black LG Blu-ray/HD DVD-ROM & 16X DVD±R DVD ... Standard Fans 
OSPowerCase
Ubuntu Server 11.10 OCZ ModXStream Pro 600W Antec Nine Hundred 
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by compmaster View Post

UEFI often reads and executes an option rom from the card. If you've corrupted the UEFI option rom then you should boot in legacy to re-flash the card to stock firmware.

im in legacy right now. But im not sure how to flash to UEFI and not just mess up and flash my legacy to UEFI as well.

Or even worse lose both.
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