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My Mom recently bought an ASUS VivoBook X202E laptop. I have a USB (bootable) with Windows 8.1 on it, which I'm trying to install on her laptop. When I go into the BIOS of the laptop to change the boot order, so I can launch the USB, there is no other recognized devices besides the hard drive. When I try the USB on my own laptop, the BIOS recognizes the USB and I can use it properly. I haven't updated the BIOS on my Mom's laptop, but do you really think the BIOS needs to be updated if the laptop is < 2 years old?

Windows 8 x64
Intel® Core™ i3 Processor
Integrated Intel® HD Graphics
  • What is the motherboard? – Mixxiphoid Dec 6 '13 at 23:40
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    You likely have to disable Secure Boot and enable the "Launch CSM" option in the BIOS for legacy boot support, unless you made your thumbdrive UEFI/GPT – ernie Dec 7 '13 at 0:21
  • @Mixxiphoid I don't know. I tried looking at the manufacturer site and other sites, but could not find the model name. I know ASUS makes their own motherboards, so it's an ASUSTeK motherboard. – Mark Matlock Dec 7 '13 at 0:32
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It sounds as if the the thumbdrive you created is probably not a UEFI/GPT thumbdrive, but a BIOS/MBR thumbdrive. To boot off this, you need to enable legacy or CSM (Compatibility Support Module) boot. While I don't know your specific mother board, this generally entails:

  1. Disabling Secure Boot
  2. Enabling "Launch CSM" or similar, or some "Legacy Boot" support

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