And if that device does not fulfill your demands, you get annoyed easily. In the main interface of AOMEI Partition Assistant Pro, click 'All Tools' >'Partition Recovery Wizard' Step 3. In the first drive option, you should make sure your system disk is selected. Hi, I have a Dell Vostro that will not boot from a boot-able USB flash drive, I have checked the BIOs and USB is listed as the first boot-able device. To fix boot device not found 3F0 error, follow these steps: Press the Power button to start the computer, and immediately after this, repeatedly press the F10 key to enter the BIOS setup menu.Basically, this error means the computer was unable to get any access to the disk that holds boot information, scanning all connected disks for boot information but getting nothing, or there is something wrong with the cables or Windows boot files. Then, you should be able to start Windows. Choose a proper method to search for the deleted boot The C: gets the:\Windows\ files but the other drive gets the hidden partitions. Select to create the bootable disk on a USB drive. If not, swap the order of boot devices so that your hard drive is first. Check for a menu named Boot Device Priority, Boot Option Order, or similar. Right-click each server, select Configure Bootstrap.With some older hardware and certain models (Dell, for example), you will have to make sure the following two items are in place: The network card must be enabled as a bootable device.
