http://h30434.www3.hp.com/t5/Not ... d-lost/td-p/3860980
Good news everyone! I was able to reset TPM password with without motherboard replacement. Here is a manual i`d followed , its written by James Gallagher. Thing i was missing is marked bold. And i`ll stress again on REPEATEDLY, if you`ll be not fast enough, it`ll ask you for password . If you are good in repeat pressing - it will push you to BIOS setup where you`ll be able to reset security.
1.Save smc.bin you`ve got from HP support to the root of a USB thumb drive “(or save the file to the root of drive D: HP_TOOLS)” -- I used a USB drive, btw...
2. Power the laptop off
3. Hold down Windows key + up arrow + down arrow and power the laptop on
4. Let go of the keys at the HP splashscreen
5.Press F10 repeatedly at the screen that shows up with "SMC command handled successfully"
6. This should bring you into the BIOS where you need to choose “Reset BIOS security to factory default” and confirm by choosing yes (duh)
7. Exit the BIOS, saving changes (duh)
8. When the laptop reboots, you will see the coveted prompt to clear the TPM, which is shown below.
9. Press F1 (duh again)
10. When the laptop reboots, the BIOS password is goners.
11. Feel hunkydory!
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