1.Windows Mode Please follow the steps to update BIOS in Windows mode: Step 1 : Please make a new folder "winflash" and download tm2000_2500_105.zip file to this folder. Step 2 : Choose tm2000_2500_105.zip icon and use mouse right key to select "EXtract All..." to decompress this file. You will get the WinFlash utility DRY802US.exe. Step 3 : Execute the WinFlash utility and follow the instructions to update BIOS. Note: If HyperThreading function is enabled in your NB, please press to enter BIOS setup when power on and disable HyperThreading in Advanced page first.