Solution: First restart the computer, press the "f2" key to enter the "bios" interface; then select the "boot" tab at the top of the page, select "USB Boot", and hold down the "Enter" key on the keyboard "; Finally, select "enabled" in the pop-up window. At this time, the USB boot function is successfully enabled and the USB flash drive can be recognized.
The operating environment of this tutorial: Windows 7 system, Dell G3 computer.
Restart the computer and press the F2 button while starting. The buttons will be different for different brands. You can check the details on Baidu. The main thing here is to enter the bios interface.
Then enter the bios interface and select the boot option in the title option, which is the boot option.
Enter the boot interface, you can see the usb boot option in the interface, the option behind is disabled, which means disabled, you need to enable it first, directly Press the Enter key.
# Then a small selection window will pop up. Select the enabled option in the options, which means enabled.
Then the usb boot option will change to the enabled option. At this time, the usb boot function will be successfully enabled and the U disk will be recognized.
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