On Tue, Jul 21, 2020 at 4:59 AM George N. White III <gnw...@gmail.com> wrote:
> On Mon, 20 Jul 2020 at 18:59, Sreyan Chakravarty <sreya...@gmail.com> > wrote: > >> >> >> On Wed, Jul 1, 2020 at 4:06 AM George N. White III <gnw...@gmail.com> >> wrote: >> >>> In general, the earlier the mitigations are applied, the harder it is to >>> exploit the bugs, and >>> some mitigations can only be applied at the BIOS level, so you need to >>> check your BIOS >>> vendor's updates and forums. >>> >>> >> Sorry for the late reply. >> >> Does anyone here use an HP laptop ? >> >> Specifically this model: >> https://support.hp.com/in-en/document/c04919819#AbT1 >> > > This mentions FreeDOS under "Software" at the bottom of the page. > > >> I have a very weird problem it seems. In my BIOS startup screen there >> seems to be no option like "Update BIOS". >> > >> The particular model I am using HP only publishes exe files that can be >> used from within Windows via which the BIOS update can happen within the OS. >> >> They do not care about Linux. Hence my only option was to do the BIOS >> update from outside the OS. Now I can't find the option to update the BIOS >> from a USB. >> > >> I have contacted HP via their Community forum but I doubt that I will get >> a response. >> >> In the meantime if anyone knows anything about this problem let me know, >> or what the best place would be to ask about this issue. >> > > https://support.hp.com/ca-en/document/c00042629 suggests that you can > create a BIOS update USB drive > from a BIOS update .exe file using a different PC running Windows. Some > .exe files run in freeDOS and generate a .bin file. Some HP laptops have > "BIOS update from file" in the System Diagnostics (maybe press F2 while > booting) with the .bin file on a FAT format USB key. > > > https://askubuntu.com/questions/539120/how-to-perform-a-hp-bios-upgrade-with-only-ubuntu > has a number of examples for differnet HP models. > Well there was no "Update BIOS" option in my BIOS setup. I had to use Win + B to initiate the update. -- Regards, Sreyan Chakravarty
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