How to solve the startup device menu when the computer is turned on

This means starting the device menu. You only need to use the up and down arrows to select boot devices, such as local hard disk, local optical drive, mobile hard disk or optical drive, USB flash drive, etc. , and then press enter.

The following methods can improve the performance of the computer:

Method 1: Antivirus: disconnect the network connection, shut down the system for recovery, and use the latest version of antivirus software to kill viruses in safe mode.

Method 2: Clean up the disk and defragment it.

1. In my computer window, right-click the drive letter to be cleaned-Properties-Clean Disk-check the file to be deleted-OK-Yes.

2. Clear the temporary files, and then start-run-enter% temp%-OK.

3. Clean registry and junk files with optimizer or super rabbit.

4. Close some startup programs and start-run -msconfig- start. In addition to antivirus software and input method, general programs can be closed.

5. Delete the unused program software.

6. Defragment the disk.