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tonyshark116
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6 Posts
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March 28th, 2020 16:00
Really need some help in downgrading BIOS on my Dell G5 5587 (2018)
Hello,
Ever since I updated my Dell G5 5587 to BIOS 1.12.2, I have non-stop ran into stuttering in games and occasional shutdowns. I have tried repasting, dusting out the fans, and clean installing drivers, yet the problem prevails. Also, I'm certain it was not overheating because BIOS's thermal event reported nothing.
So I want to downgrade the BIOS back to 1.11.1 since my laptop was running just fine on it. Problem is that the downgrade is blocked for whatever reasons. I have tried normal installation, BIOS recovery, flash BIOS through the boot window... yet still blocked. So now I try to force flashing the old BIOS through a bootable FreeDOS USB. However, when I try to execute the BIOS.exe file in FreeDOS, I ran into the error that "the program cannot be run in DOS mode". So yeah I'm kind of stuck right now... If it's not possible to downgrade the BIOS, is there anything else I can do? I'm afraid that my laptop may not turn on again if another shutdown occurs.
P.S Please actually help me instead of generic response
tonyshark116
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6 Posts
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Posted March 28th, 2020 17:00
What do you mean? I check the driver website and the current BIOS version is 1.12.2 for my laptop
tonyshark116
1 Rookie
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6 Posts
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Posted March 28th, 2020 17:00
That's what I thought too, but apparently it isn't
Same issue here, same notebook model (G5 5587). Struggling to downgrade since yesterday. Tried bunch of methods - everything resulting in "BIOS update blocked due to unsupported downgrade". What a **bleep**.
It's impossible to downgrade because DELL doesn't allow you to downgrade if current bios has some security fixes - in this case Plundervolt fix. Which in result prevents you from changing core voltage in XTU. In my case without changing voltage offset this notebook is piece of trash because every game is unplayable due to thermal throttling.
I've read in other topics / forums that you can go to bios and reset settings to factory - this reenables changing voltage offset in XTU. Indeed it works but only "visually". I can change voltage offset but it doesn't have any effect - CPU is still massively throttled while gaming. So at this point only solution is a roll back to the 1.11.1 BIOS. End of story.
The whole situation is a joke for me. I paid for this so I should be able to install whatever damn BIOS I want, event a potato one. Now I ended up with 1.13.0 BIOS and totally unusable notebook.
Thanks DELL.
Banana Cage
1 Message
2410
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Posted July 26th, 2020 09:00
Same **bleep** here with the g5 5587.
. thermal problems
. audio problems (buzz sound)
. electrostatic current through USB ports (don't plug any headphones or mic usb)
I'm really pissed with dell: if u ask support, the only thing they do is changing component with some refurbished piece of scrap. (I am sure!)
And the problems remain.
ClutchControl
1 Message
2257
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Posted August 17th, 2020 20:00
Jumping on this months old thread to see if anyone has solved this. I have the same system with the exact same problem.
I managed to downgrade from 1.14.1 to 1.10.0 using this tutorial " https://www.youtube.com/watch?v=7zFAU9DKmVk " and here's the github link " https://github.com/vuquangtrong/Dell-PFS-BIOS-Assembler ". Hope this helps : )
nyc10036
6 Operator
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5640 Posts
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Posted March 28th, 2020 17:00
Oops. Looking at another laptop.
According to Dell, the EXE file is useable from DOS.
.