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. -- George N. White III
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