At the moment, I'm using libgfxinit, but I've tried all three. Libgfxinit
is the only one that shows anything on screen at all. Ill send that over
later today! I have been using a vbt.bin, but i don't know if i used it
right. I'm new to this sort of thing

On Fri, Sep 4, 2026, 8:02 AM Matt DeVillier <[email protected]>
wrote:

> Windows going to a black screen when the Intel graphics driver loads means
> the the VBT (video BIOS tables) data is missing or invalid. Does your board
> have a data.vbt file, or are you including an external vbt.bin? Which
> display init type are you using? run 'make savedefconfig' and past the
> resulting defconfig file - the full config is unnecessary and too long to
> parse.
>
> For the battery, that comes from ACPI, and is usually included with the ec
> code. Nothing you should have to do there. Could be the result of an ACPI
> parsing issue, or something else. Would need to inspect your ACPI tables
>
> cheers,
> Matt
>
> On Thu, Sep 3, 2026 at 7:43 PM Logan Proctor <[email protected]>
> wrote:
>
>> Hello! Is this the right place?? I don't know how this works.. Anyways,
>> I've been trying to get coreboot working on my hp elitebook 8470p for about
>> 2 weeks, and i eventually got it to boot, although no matter what i try, if
>> i install intel hd 4000 graphics drivers, Windows (windows 10 iot
>> enterprise LTSC) crashes, the screen goes black, and it eventually restarts
>> into the windows recovery mode. I can't seem to fix it. A less important
>> issue, is my battery isn't being detected in windows (when i boot into
>> Windows with Microsoft basic display adapter, because that works). It's not
>> a deal breaker if i don't get my battery working, but it'd be nice. I'm
>> using TianoCore, and i can send my .config file if you need it, or i can
>> just take pictures of it. Thanks!!
>> If you need anymore information, just let me know!
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>
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