Cannot access BIOS when OS disk encrypted w / Bitlocker, starting on the USB key is not unlock disc
Hello
I enabled Bitlocker on my Acer Aspire 5315. The system partition is encrypted and the data partition. My motherboard doesn't have a TPM chip, so I opted for the unlock with a USB key.
When I start the PC or wake them from their hibernation, the splashboot (with the logo of Acer) BIOS screen does not display the information below on how to access the BIOS (press F2) or the boot menu (F12). And therefore I can't access those as I used to.
BitLocker does not account for the USB key, then asks for the password to unlock the HARD drive. Then Windows starts very well.
However, restart (by a Windows or after you have entered the wrong password Bitlocker too many times), the BIOS splash screen is normal (with how access BIOS and boot menu), I can access BIOS by pressing F2 AND succesfully Bitlocker unlocks the HARD drive with the USB flash drive without having to ask for the password.
So, my question is how Bitlocker unlock the HARD disk automatically via the USB when the PC starts?
Thank you for reading.
Note: I posted this question on http://social.technet.microsoft.com/Forums/en-US/w8itprosecurity/threads they suggested that I ask the Acer support.
Thank you also get answers in the TechNet forums. I'm sorry that you were unable to get a more complete answer it.
We suggest that you uninstall BitLocker and decrypt the drive to determine if this restores your ability to access the BIOS.
Tags: Acer
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