I could not install Windows at all besides Win XP with the Standard PC HAL, and that was useless. Constant reboots on every version XP to 10 when starting Windows setup. So I installed Linux and the only way to get it to boot was using the command ‘processor.nocst=1’, my successful installs were Lubuntu 16.10 and the recent version of Fedora Linux, Lubuntu being the most snappiest. After a successful install you have to boot with ‘processor.nocst=1’ again and then add to it to your GRUB bootloader settings. I tried a bunch of different command options but this is superior to acpi=off, because Hyper Threading is enabled and you can use multiple cores and your PC won’t slow down. The A300 is the most picky laptop I’ve ever encountered, even when booting I have to boot sometimes without my non official charger plugged in otherwise it won’t start! I've been told by a friendly eBay seller about their experiences with power adapters: ‘Hi, my laptop run fine with a 19v 6.32a power adapter. But it will crash if I...