(first of all, burn the ISO on a CD-R disc, use Nero (Image function. dont forgett to check "CD")
http://home.tele2.es/jlgm/peng.htmlBlind Flash;
1. start the computer with the ISO CD-R.
2. press
F12 after
3-4 sek _______(tested my self, took me ~3-4 sek, from pure start.(reboot take longer of course))
3. press
one time down (with the "down-arrow key") and press
enter
4. (type the right flash);
nvflash 791gsunv.rom___________(Rev.1)
5. press
enter
6. press
Y ___________(wait 20 sek, to be sure the flash has been updated)
7. restart the computer____________ (manual)
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edit. if you dont succeed, do it one more time (cant get any worse, he he), sometimes this 3-4 sek after you start your computer can be 4-5 sek or 2-3 sek. just do it until you succeed.
edit again. at step 4, you can also flash to your original VBIOS. for Rev.1 its;
nvflash 791gsnnn.rom,
can sometimes works better. then reflash to your overclock flash.