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June 2nd, 2020 04:00
15 R3, erased secure boot values, doesn't start
Hi everyone!
I think I might have just killed my Alienware 15 R3 by erasing all secure boot variables (don't ask me why I did it). I'm talking about the variables like on the picture below:
But before I did it, I had saved them on my thumb drive. Right now the laptop doesn't start properly. It's hard to explain its behaviour so I just recorded the video:
There is no image on the screen, just blinking keyboard with power button and beeping.
I've already tried to clear CMOS by removing the CMOS battery and then holding the power button for 30 seconds as well as shorting the CLRP1 contacts under the RAM slot. No result.
The bios version is 1.9.0. I'm 99.9% sure that's not a hardware problem, it was working perfectly fine until I've done it.
Is there any solution to bring it back to live?
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jphughan
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14K Posts
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June 2nd, 2020 07:00
@A5trocat As a workaround, you could try disabling Secure Boot, in which case the variables won't even come to play and therefore your system should boot if that was the only problem. Secure Boot is an optional security enhancement, not a requirement. In terms of getting Secure Boot capability back, I'm surprised the reset methods you tried didn't work, but just out of curiosity, did you try the "Reset to Factory Defaults" option within the BIOS Setup interface itself? I think the battery is just a real-time clock battery, in which case removing it might not actually reset your BIOS settings. And I'm not sure about that jumper you mentioned. Other than that, maybe try running a BIOS update, even if you'd be reflashing the version you're already running?