I have a laptop that used to be an old work laptop (Lenovo Thinkpad, older model), that I continued to use personally after it was replaced. Fast forward more than a few years, I am trying to install a new Windows 10; come to find out, I am unable to due to Bitlocker security on my C-drive. I double checked, and the Bitlocker encryption on my drive is turned off, but perhaps because of some secondary security feature unknown to me, Bitlocker still won't allow any changes to be made to my hard drive even when turned off (?).
So (and this was really stupid of me in hindsight, I know), I cleared my TPM chip, not knowing I'd need a recovery key, and now I'm stuck at the Bitlocker encryption recovery key screen every time I try to boot up..
- going into BIOS, switching to UEFIS, letting it restart, then going back into BIOS to enable secure boot. and also resetting BIOS (but with the TPM key gone, and Bitlocker still securing my hard drive, the laptop can't read my C-drive to do a normal boot);
- installing Windows 10 from a bootable USB, in hopes that by "reformatting", it will clear the problem, but I cannot install it on my C-drive, again, due to Bitlocker (:C being my only internal drive with enough space to install on);
- resetting back to factory settings, but nothing..
After searching for a long LONG time online, I am now here with you fine people, hoping that someone will have the know-how to save me from this catastrophe..
So aside from something drastic (like having to remove the hard disk to connect to another computer in order to use some decryption/recovery software), is there anything I can do, without the recovery key, to get me back into my laptop ? ?
Thank you in advance!