Brand Laptop boot select
Boot Select: Druing the boot up logo, press the key.Dell/Alienware: F12HP/Compaq: F9Asus: ESCAcer: Go to bios MAIN to enable F12Lenovo: ...
Dell laptops' backup, recovery and diagnostic
For Dell's laptops, power on the unit, then press F12 to bring the boot menu for Recovery and diagnostic.http://www.dell.com/support/contents/us/en/19/article/Product-Support/Self-support-Knowledgebase/software-and-downloads/dell-backup-solutions/Dell-Backup-and-Recovery ...