This article will introduce how to quickly restore BIOS factory default settings and pre-installed win7 system. These methods are simple and suitable for most computer brands and models.

Quickly enter the BIOS setup interface

Press F2 at startup, and you can easily enter the BIOS setup interface to make relevant settings.

Restore BIOS to factory settings.

Press F9 to restore the default settings, and then press F 10 to save and exit, so that the BIOS can be restored to the factory settings.

Restore the pre-installed win7 system

Press F 1 1 when restarting or shutting down to start the one-button recovery function. Select the recovery method according to the backup situation: from user backup or from initial backup. Confirm the recovery operation, and the data will be deleted. Click Yes to continue. After about half an hour, the system was restored. Finally, click Restart to let the system complete the configuration.