Bootable USB HDD External Hard Drive

nahnoomi · Apr 18, 2016

Hi there

I have got Gigabyte GA B75M D3H Reversion 1102r motherboard, and Version F15 of AMI BIOS.

I am trying to boot WD USB HDD external hard drive, which I made bootable windows 7.

But when I power up computer and F12 to get to Boot Device Selection list.
It does not gave me option to selected my WD external HDD, only gave me two internal HDD I have got.
Changed some setting in BIOS then WD external HDD apeared on F12 Boot Deivce Selection list, but I restared again and did F12 and again it only gives selection of two internal HDD I have got.

bjornl · Apr 18, 2016

I haven't used that MB in a long time, but as I recall it is something like this:
Turn the PC OFF
Connect the USB drive
Boot in to BIOS.
Add it to your available boot devices in your boot manager screen
save and exit
boot and press f12

nahnoomi · Apr 18, 2016

bjornl :

What does this stage mean?

Only BIOS setting I have changed from default is "Storage Boot Option Control" from Legacy Only to Legacy First under BIOS Features tab.

bjornl · Apr 18, 2016

nahnoomi :

Again still going from memory from a long time ago. As I recall you had to go to the boot manager. There was a list of boot devices. You could select which ones to include on that list. That was the list I recall that f12 presents you with that motherboard.

Given that I am going from memory there is a chance I got part of the above wrong, but I hope it gives you enough to sort it out.

USAFRet · Apr 18, 2016

OK, let's back up a bit here:

"I am trying to boot WD USB HDD external hard drive, which I made bootable windows 7"
How, specifically, did you do this?

nahnoomi · Apr 18, 2016

USAFRet :

I did on my laptop which has got WIndows 7 installed.

And I followed this blog post.
http://bootableusb.net/make-bootable-external-hdd-install-windows-78/

used command to make it.

It just that it does not apear on bootselection list.
I apeared on boot selection list once though somehow, It is a bit random that why I do not get why this is ramdom.

USAFRet · Apr 18, 2016

You do realize that is only to (potentially) use an external HDD to install Windows from. Not run the actual OS.

A DVD or USB stick would be much easier.

nahnoomi · Apr 18, 2016

USAFRet :

Of course, But I havent got Optical CD nor DVD rom.
Also I ve got a USB stick but it hasnt got enough space.

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Bootable USB HDD External Hard Drive

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