What should I do if win7 cannot find any device drivers when installing from USB flash disk?

Enter the BOIS, press the left and right arrow keys to move to the option "boot", and press the up and down arrow keys Move to the second option, change UEFI First to Legacy First, press f10 to save, and the installation should be successful.

Principle: Replace uefi startup with MBR startup.

ps: This problem should only occur on win7 32-bit and xp and earlier systems.

Method 2

1. After making the boot USB disk for installing win7, restore the win7 installation image file using the virtual optical drive

2. Then copy all the restored installation files to the boot U disk, and then use this U disk to install, you will not be prompted that the driver cannot be found.

Method 3

Reinsert and unplug the usb port

The reason for "the drive device driver cannot be found", There may be a problem with the USB port. At this time, you can choose to replug and unplug the USB port and try.

Method 4

Change a USB port

There may be a problem with this USB port alone. You can choose another USB port and retry the win7 installation to see if the device driver still appears. Not installed prompt.

Because this prompt will appear at the usb3.0 interface! Changing to USB2.0 interface may solve the problem!

Method 5

Re-download other versions of win7 image

>>>Desktop win7 image download address

>>>Notebook win7 image download address

More win7 related information:

>>>Tutorial on installing Win7 system on notebook

>>>Dabaicai system installation tutorial win7##>>>Virtual optical drive installation technician alliance win7 system