· My Chromebook has a problem with the recovery. I tried turning on and wait 30 seconds, then turning off and try again for 30 times but TPM not resetting. I don't know that what I …
Sometimes with Chromebooks, particularly the C300SA, you'll get "ChromeOS is missing or damaged" and have to reset. And sometimes, that reset won't work. If...
I have other programs open like Spotify and Discord, but they only use about 300MB of RAM each. Looking through my background tasks doesn't show any tasks using too much RAM, (The most is about 65 and only one program uses that much).
Is there a chance to bypass the chip, e.g. b flushing a custom firmware (and using Linux, because the ChromeOS requires secure boot)? If so, is nv-U-Boot the correct firmware? If not, is it possible to (unsolder and) replace the chip? I understand the chip holds the security key, so, it should be pre-programmed first?
· I've found that changing out the motherboard clears up the issue. A bit drastic, but the only permanant solution I've found. Hopefully you have a Lenovo boneyard (would be suprising if you didn't), buying a new spare isn't cheap.
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· Resetting the TPM read error on an HP Chromebook 11' G4. Restarting the machine around 30 times will clear the error.
Samsung Chromebook Series 3. The Samsung Chromebook XE303C12-A01US laptop features an 11.6" screen and a 16 GB SSD hard drive. This small notebook computer allows for easy access to the Internet and can run various web apps.
> but linux cannot communicate with the TPM chip. So if you just boot the ChromeOS kernel, using nv_uboot, you still cannot see a tpm device? If that's the case, I'd have to wonder if the TPM hardware isn't somehow bad, in which case I wouldn't expect the normal verified boot firmware to work at all, and that would match your current experience.
On boot, only the modem processor is running; its firmware then sets up and starts the application processor. If the modem firmware is writable, we could be hacked before the first instruction of our firmware executes. We need a way to secure the modem firmware. (This is true regardless of the boot order, if the modem firmware has access to the registers or RAM used by the application processor).
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