The computer reinstalled the system but failed to find the boot device. This problem may be caused by incorrect bios settings. Let’s take a look at how to solve this problem.
1. Turn on the computer and press the F1 or F2 or Del or Esc keys on the keyboard to enter bios.
#2. Press the → arrow key to move to Security, press the ↓ arrow key to select Secure Boot, and press Enter.
#3. Select Secure Boot and press Enter, select Disabled and press Enter.
4. Press the → direction key to move to strat up, select CSM and press Enter, change it to Enabled, and change Boot Priority to Legacy First.
5. Finally, press F10, select Yes and press Enter to restart the computer.
The above is the solution to the problem that the boot device cannot be found when installing the pure version of win7 system. I don’t know if this method will help you.
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