Inability to access the drives

and that they are being detected. If they are go to Device Manager and uninstall them and restart the PC. Let us know how you get on.

One of these keys should get you in.

Common BIOS entry Keys
F1
F2
DEL
ESC
F10
You will know when to press this key when you see a message similar to the below example as the computer is booting. Some older computers may also display a flashing block to indicate when to press the F1 or F2 keys.

Press to enter BIOS setup

Tip: Hold a Key down, this will cause a stuck key error, which may allow you to enter the BIOS setup.