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October 11th, 2024 11:31

PC trying to boot from USB device

I have a Dell 8900 XPS machine. It is looking to boot from a USB drive each time so I have to remove my external hard drive that Iuse for backup to boot the machine.

I have been looking in teh UEFI / BIOS options to remove the option to book from USB but I cant find it.

Can anyone help please?

4 Operator

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2K Posts

October 11th, 2024 12:59

Use F12 from the Boot Dell Logo screen to access the proper menu. The USB drive must be connected when you do this, and it will appear as a boot choice. This is not in the BIOS that can be set.

Now if I read this wrong, and you have it booting from the USB drive all the time and not the HD, then the HD could be bad or damaged?

More details would help here. Especially if this is a NEW instance or had always done this and you want to change it?

9 Legend

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12K Posts

October 11th, 2024 13:08

replace cmos battery with a new one then clear cmos settings via mobo jumper.

try a clean install of OS on your boot drive installed inside 8900 (hdd or ssd).  wipe the external usb drive clean before reconnect to pc.

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