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This is a discussion on CMOS password question within the Motherboards, Bios & CPU forums, part of the Tech Support Forum category. I have a HP Probook 450 G3 that needs a clean install of Windows 10. Well, wouldn't you know the


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Old 07-17-2019, 02:10 PM   #1
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I have a HP Probook 450 G3 that needs a clean install of Windows 10. Well, wouldn't you know the uefi bios is password locked preventing me from even getting to the boot menu. I've done some digging around and found all the solutions to unlocking the bios in older laptops but none seem to work with this one.Did some more digging and best I can tell there nothing barring a whole new mobo that will fix this laptop, which to h*ll with that. I never have believed in changing out a mobo when one costs more than the laptop is worth. My question to all you hardware gurus, am I understanding it right that changing out the cmos chip is NOT enough to unlock cmos. That in newer laptops the microcontroller chip also has to be changed. The best I can tell both chips just plug in and are not soldered. This laptop is not stolen but was purchased by a friend from a pawn shop for more, in my opinion, than it was worth in the first place and definitely not worth all the time I have spent on it thus far. Any ideas?
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Old 07-17-2019, 02:36 PM   #2
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Old 07-17-2019, 02:44 PM   #3
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Can you not boot from a usb stick?

Have you tried tapping Esc, F2, F10 or F12(depending on manufacturer) when booting to bring up the boot menu?
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Old 07-18-2019, 08:57 AM   #4
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Corday, many apologies. I was unaware my post was inappropriate so I am fine with the forum administrators deleting it. This thing has caused me enough misery already.

Wrench97, Yep been there. Tried to do all that. No way to get to boot menu without pw. There's no pw reset pins that I can find either. It has been the hardest laptop to tear down I have ever done so although I am not one to easily give up I am calling "uncle" on this one. Too bad. It's a really clean little i7. Thank you for your response, though.
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Old 07-18-2019, 10:02 AM   #5
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Unplug the hard drive, insert a usb stick with the Windows installation on it boot if it sees the usb stick then plug in the hard drive.
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