Once the DOS command prompt appears, type the name of the execution utility followed by the ROM filename (e.g., flashit.exe biosfile.rom /fd ) and hit Enter .

The easiest method for the C660 is using the Windows-based installer.

Note down the version number (e.g., v1.30, v1.60, or v2.00). Step 2: Download the Correct BIOS Update File

After a successful restart, you will likely see that the system partition has reset.

Close all open applications, as the computer will force a restart during the update.

Right-click the downloaded setup file and select . Extract the archive files to a designated folder. Run the utility tool (usually named InsydeFlash.exe ).