If the original CoolStar link is inactive, users frequently point to a mirror hosted by : MrChromebox Mirror : CBWinFlash.zip Download Original (Often Offline) : CoolStar Chromebook Downloads How to Use the Utility

For many PC enthusiasts and IT professionals, updating the BIOS is a necessary but sometimes daunting task. While modern motherboards often feature Windows-based flash utilities, they can be risky—if the OS crashes during the flash, you could brick your motherboard. The safest way to update is still via a pure DOS environment. However, creating a bootable USB stick with the correct files can be a headache.

: It is specifically designed for devices already running custom UEFI firmware from MrChromebox Safety Warning

: Extract the contents of CBWinFlash.zip and run the update utility.