Simple question: How do I boot an HP dv7-4053cl into bios where I can boot to a CD instead of the internal HDD?
Reboot your laptop.
When the HP splash screen appears, press Esc to enter the Startup Menu.
Press F9 to enter the Boot Device Options.
Two possible scenarios:
Your optical disk drive appears in the list.
Select it with the arrow keys and press Enter.
Your optical disc drive does not appear in the list.
Press F10 to enter the BIOS setup.
Go to System Configuration → Boot Options and toggle CD-ROM Boot to Enabled.
Press F10 and Enter to save the changes and start from the top.