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progh0st

Need some help here with flashing vbios

By progh0st, in General Notebook Discussions

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progh0st    11

progh0st
Posted

Well let me explain my situation. I have sager/clevo P151MSM1 (NP8230) with gtx 770m and i want to flash my vbios to unlock voltages etc etc. Using the vbios i found here; http://forum.techinferno.com/general-notebook-discussions/1847-nvidia-kepler-vbios-mods-overclocking-editions-modified-clocks-voltage-tweaks.html

Is there any tips or suggestions you can provide me before i proceed. I don't want to brick my card, also i am new to this. Your help will be appreciated thank you.

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Supplix    12

Supplix
Posted

First of all, you should make a backup of your vbios using GPU-Z, or NVFLASH.

If you never used NVFLASH before, make a bootable usb stick, and use nvflash -b backup.rom to make a backup of your current vbios.

In case anything goes wrong, you will be happy to revert your vbios to stock.

Learn to do a autoexec.bat too, to blind flash vbios if anything goes wrong and you screen stop functionning.

Always plug you laptop to wall power and have at least 30% battery charge before procedding to any flash attempt.

Otherwise everything should be fine as long as you choosed the right vbios for you machine. Have fun!

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valuxin    11

valuxin
Posted

Just download "nvflash for windows", place your new rom file to the nvflash folder, start Command Line and type this:

nvflash --protectoff

nvflash -4 -5 -6 new.rom

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