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My laptop has the wrong BIOS installed

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smileyhead

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Remember when I started the thread about the dedicated GPU in my laptop not working? I think I may have found the problem.
I have an ASUS X555LB. The sticker on the bottom says so. However, it seems the BIOS I have installed is for the X555LDB. I remember updating the BIOS once in the past and I think it was probably my goofing up that resulted in this, so I tried to fix it. Except that I can't: the BIOS Flash Utility doesn't let me overwrite one BIOS with another and the BIOS' own updater doesn't even list the update file in its file manager.
What should I do?

upload_2021-8-20_18-35-2.png
 
smileyhead said:
Isn't this just a BIOS update for the X555LDB? It's the same version even (v307), just with a different date…for some reason.
I need to be able to install the latest BIOS for the X555LB.
Click to expand...

Well you need to figure out which one is your laptop under as X555LB or X555LDB, check your system information. If it work fine leave the computer alone.
 
Hayato213 said:
Well you need to figure out which one is your laptop under as X555LB or X555LDB, check your system information. If it work fine leave the computer alone.
Click to expand...
The BIOS updater and BIOS state it's an X555LDB (which it isn't, really). The system works okay, except for the GPU, which does not.
 
Did the card came with the laptop or it is a replacement gpu? probably have to learn to mod a Nvidia driver .inf file. Laptop can be picky about what card each manufacture have driver for automatically, I had a sager laptop, when I replaced the gpu, I had to edit the nvidia inf file.
 
Last edited by Hayato213,
Did you rename the file properly? IIRC ASUS mobos are sometimes picky with what you name the BIOS.

Remember the "wrong" BIOS file will be looking for it's own name, so instead of like X555LBAS.whatever it should be named to X555LBDAS.whateverblahblah
 
Tom Bombadildo said:
Did you rename the file properly? IIRC ASUS mobos are sometimes picky with what you name the BIOS.

Remember the "wrong" BIOS file will be looking for it's own name, so instead of like X555LBAS.whatever it should be named to X555LBDAS.whateverblahblah
Click to expand...
Renaming the file sadly didn't fool neither the BIOS Flash Utility, nor EZ Flash (which is called Easy Flash on my PC, for some reason. Must be an older version).
 
In that case, I don't expect you somehow managed to "accidentally" flash the wrong BIOS file to your laptop, if so you would've been able to easily reflash the "correct" file and fix whatever problem you think you have. ;)

I would suggest you open up your laptop and double check your motherboard to confirm what the actual model your laptop is, just because a sticker says one thing doesn't necessarily mean you didn't get sent a sub-model laptop from that same series. As far as I can tell, the general X555xx models have a lot of variations, and I see no reason why X555LDB wouldn't be the correct model.
 
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I still maintain my original conclusion in your other thread, it sounds like there's just a physical hardware issue somewhere that's not letting the GPU communicate with the rest of the hardware.

Did you ever get around to trying a Linux distro and seeing if the Nvidia drivers could be installed that way? That would confirm it being a hardware problem I would think (although what that hardware issue would be, I couldn't say :lol:).
 
Tom Bombadildo said:
I still maintain my original conclusion in your other thread, it sounds like there's just a physical hardware issue somewhere that's not letting the GPU communicate with the rest of the hardware.

Did you ever get around to trying a Linux distro and seeing if the Nvidia drivers could be installed that way? That would confirm it being a hardware problem I would think (although what that hardware issue would be, I couldn't say :lol:).
Click to expand...
Yeah. If I remember correctly, it borked around the time I ran a macOS VM in Ubuntu on it. I'm pretty sure the GPU worked before then. I wonder if that could've done something…
 
draftguy said:
Have you tried to install the driver from their (X555LD) support page, its from 2015 but worth a try:
https://dlcdnets.asus.com/pub/ASUS/nb/DriversForWin10/VGA/VGA_A_nVidia_Win10_64_VER101813538402.zip

The latest bios is version 404 from 2019:
https://dlcdnets.asus.com/pub/ASUS/nb/X555LD/X555LDAS404.zip

Didn´t see any graphics related fixes in the changelog, though.
Click to expand...
You've linked me the stuff for LD, but my model is LDB.
Anyway, I've downloaded the latest graphics drivers for my model and got this:

upload_2021-8-20_21-7-3.png
 

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