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Windows 7: Can't find USB boot option

26 Sep 2014   #1

Windows 7 ultimate 64 bit
Can't find USB boot option


I have asus x401a notebook and it was getting slow so I decided to install fresh windows 7 and since this notebook doesn't have cd/DVD drive I burned the windows on USB and when I tried to change the boot option priorities to USB I couldn't find it in the boot setup I only have two other options which are :

Boot option #1 (PO: Hitachi HTS547 ... )
Boot option #2 (Realtek PXE B03 D00)

Please help
Thanks in advance

My System SpecsSystem Spec
26 Sep 2014   #2

windows 7 home 64bit

Hi Welcome to Seven Forums .. Look in the Advanced Menu for Configuration for USB ...

It could be set to USB Legacy Disabled ....
My System SpecsSystem Spec
26 Sep 2014   #3

Windows 7 Pro x64 Windows 10 Pro x64

Does it have a one time boot menu ?

If it does it will show/tell you which key to push when you 1st boot the notebook, it will be quick, so watch the bottom of the screen for it.
My System SpecsSystem Spec

26 Sep 2014   #4
Microsoft MVP


Work through the steps for Overcoming Windows 7 Installation Failures - Windows 7 Help Forums.

Since that model ships with Home Premium why do you have Ultimate in your specs? Use the licensed Win7 version which you own on the PC only which should be this download if you want 64 bit,

however I would use 32 bit with only 4gb RAM from here: 32 bit provides slightly better performance with 4gb RAM or less.

Then use the tool provided in Step 2 to write to flash stick. The stick should show up in BIOS boot menu (Asus F8 key) unless you have an EFI BIOS or need to have some other options in BIOS setup adjusted to allow for USB boot.
My System SpecsSystem Spec
26 Sep 2014   #5

Windows 8 X64

Without specific model numbers I can't answer this for sure, but some motherboards will only boot to certain USB drives, I have had problems booting to SanDisk Cruzers before.
I'd try another flash drive, and ensure your BIOS settings are correct.
My System SpecsSystem Spec

 Can't find USB boot option

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