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. . Download the flash tool, for flashing you'll need the DOS version, but for creating the backup of your current BIOS the Win64 version will do as well, and it is faster. Get the prr tool as well. . . Grab the modified BIOS you want to flash and the Y500BiosFix tool. . . Create a backup of your current BIOS using the flash tool you downloaded (first step) by runing the included backup.bat, or by using the Win or Dos version flash tool with this command: -d BackupBiosY500.bin -bios . Make sure you have the modified bios which you want to flash, the bios backup you just created and the Y500BiosFix tool in the same folder. Run the Y500BiosFix tool, follow the instructions on the screen. Make sure to enter the name of the files correctly. It will create a new file for you and will be named after the modified bios file you specified, with 'Fix' appended to it. Here's a screenshot of the tool in use. In the case shown here it will create a file called "modifiedBiosFix.bin" which you can find in the folder where you run the tool. Use that one for flashing. [ATTACH=CONFIG]5938[/ATTACH] . .. Put the fixed BIOS, the prr.exe tool and the fpt.exe (along with the fparts.txt file) on the root of your prepared DOS bootable USB drive, restart your system and boot from that drive. . . Execut the prr.exe, if you don't get an error message continue by pressing enter. Then flash the bios by using this command (filename.bin obviously needs to be replaced with the name of the file you want to flash). If you can't remember the name of your file, use the command dir to display all the files on your drive. Flash with this: fpt.exe -f filename.bin -bios NOTE: The name of the BIOS file mustn't exceed eight characters (not counting the extension)! That's a DOS limit, so make sure the name of your file isn't too long. Wait until the process is done. After flashing it will verify the data, in case there's something wrong with the flashed data it will tell you. In that case don't reboot, just flash again. It might look a bit complicated at first, but that's the easiest way I could think of. Let me know if anything is unclear. >> Here's the 'buy me a beer' link in case you like this << Use at your own risk, you are responsible for your system and the changes you make on it. My programs come with absolutely no warranty to the extent permitted by applicable law. i can't install new wifi(n6300) card on y500, can you help me? how to download Lenovo_Y500_BIOS_v1.05_Mod.zip (2.19 MB, 123 views) thanks!