A Reddit user was able to dual boot a Chromebook using an AMD Ryzen CPU with Chrome OS and Windows 10 and 11. This only works with a limited number of models and socs. Most of the features work, except for the fingerprint scanner.
coolstarorg radiator Describe How he managed to dual boot a Chromebook with an AMD CPU in it. According to him, this only works on a few models: HP Chromebook 14b, Pro C645 Enterprise, Lenovo Yoga C13 and ASUS Chromebook Flip CM5. These models use the AMD Athlon 3015ce, Ryzen 3 3250C, Ryzen 5 3500C, or Ryzen 7 3700C. Not all Chromebook models can dual boot because eMMC storage is not supported the coolstarorg method. Windows can read and write to eMMC drives, but UEFI cannot boot. So users who want to dual boot should use a Chromebook with an NVMe SSD. When Windows starts, only the fingerprint scanner will work on it. All other features work, both hardware and software.
The hacker also has Put the installation guide online† Users receive specific dual boot instructions for each model. Dual boot works by re-partitioning Chrome OS through the tool
chrx† Next, it is necessary to update the RW_Legacy firmware. Coolstarorg wrote a script that enables dual boot next.
According to the hacker, his method makes it possible to install both Windows 10 and 11 along with Chrome OS. It was already possible to run dual Chromebooks with an alternate operating system, but at the moment this is only possible on Chromebooks equipped with Intel chips. Coolstarorg says other Chromebooks with AMD chipsets will be able to dual boot once the eMMCs issue is resolved.
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