All Questions
21
questions
0
votes
0
answers
55
views
Undervolting help / Is it possible to roll back an Apple BIOS to an older version without wiping Ubuntu & reinstalling MacOS?
My work laptop is a Late 2013 MacBook Pro. Its current Apple BIOS version is 432.40.8.0.1 and its CPU is an Intel i7-4750HQ. It runs Ubuntu 22.04.4 LTS only. No dual boot, no VM.
My overarching goal ...
0
votes
0
answers
54
views
How to fix Secure Boot error "Image failed to verify with *ACCESS DENIED*" [duplicate]
When attempting to boot a live OS via USB or CD, I get the secure boot error: "Image failed to verify with ACCESS DENIED".
There is no SSD/HDD installed. Secure Boot is enabled and while I ...
0
votes
0
answers
102
views
Ubuntu 22.04.4 getting freezed after resuming from Suspended
I have a Dell Latitude 5500, it works perfectly fine with Windows. But on installing Ubuntu, it started freezing unexpectedly. A common pattern I observed is on resuming it from the Suspended state. I'...
-3
votes
1
answer
117
views
My question is about getting error mesage while starting my laptop on dual boot ( windows 10 and ubuntu 22.04.3)
i do have dual boot on my laptop Windows 10 and Ubuntu 22.04.3. I am getting this message on my laptop's display. Can you guys please explain me what wrong on my laptop and how to fix this?
0
votes
1
answer
246
views
HP Pavilion Ubuntu installation BIOS problem
I'm trying to install Ubuntu LTS on my new HP Pavilion laptop and getting these errors:
Detailed explanation:
I'm trying to install Ubuntu on my newly purchased HP Pavilion which came out of the box ...
0
votes
0
answers
108
views
DMAR Firmware bug
OK, I have seen answers to this problem
DMAR: [Firmware Bug]: No Firmware reserved region can cover this RMRR, contact BIOS vendor for fixes
But as a complete computer dummy I don't understand the ...
0
votes
0
answers
216
views
DBX firmware update and corrupted bios
everyone,
Last week, I updated the DBX firmware to 371 from Ubuntu on Aspire A515-43. So, when I updated the dbx, my laptop froze (Ubuntu OS), which led me to perform a forced shutdown via the power ...
0
votes
1
answer
406
views
Firmware/Bios update and no sound on ubuntu 20.04
My laptop is a Dell Vostro 5490
After a firmware update that was made from Ubuntu Software Center I have no sound from speakers, although when I use a usb headphones/microphone I get sound.
arecord -l
...
0
votes
0
answers
112
views
Failure to install Ubuntu
I try to install ubuntu22.04.02 lts in my laptop asus x540u models, at first time all things are working good only in steps 5 when i chose to erase the disk with LVM, so it contine to loading without ...
1
vote
1
answer
2k
views
ThinkPad T14 Gen 3 Type 21CF BIOS/firmware issue with laptop lid close and suspend
I recently bought a ThinkPad T14 Gen 3 Type 21CF. Here's a link to the Lenovo product page: link
Here's what I did:
I have Ubuntu 22.04 installed. I ran:
sudo fwupdmgr update
I did this because my ...
14
votes
2
answers
42k
views
DMAR firmware bug. Broken BIOS?
I am seeing below error message on my laptop screen upon loading Ubuntu but I am able to login without problem. What do you think could be wrong?
DMAR: [Firmware Bug]: No firmware reserved region can ...
0
votes
1
answer
1k
views
Lenovo ideapad 5-15ARE05 firmware upgrade, how to?
Running a Lenovo ideapad 5-15ARE05 (4800u) (shipped with FreeDos) without major issues with Ubuntu 20.10.
Touchpad, graphics and display are working fine with the 5.8 kernel.
Although the fingerprint ...
23
votes
2
answers
27k
views
How to update the computer bios firmware without using Windows
I have a Dell Inspiron 3647 desktop with Ubuntu 20.04 LTS (Focal Fossa).
How can I check the bios firmware version from inside Ubuntu and update it (if necessary) without using MS Windows?
4
votes
0
answers
81
views
Is there a way to check the bios battery from the command line? [duplicate]
Is there a way to check the bios battery life from the command line?
0
votes
1
answer
123
views
Does updating firmware updates the bios in ubuntu 18?
I am using ubuntu 18 and wish to update both the firmware and the bios.
Does updating the firmware using this manual and this command
update the bios as well as the firmware?
sudo fwupdmgr update
0
votes
1
answer
1k
views
Was my bios updated? Scary two minutes with black screen, system beeps and total unresponsiveness
I'm on Ubuntu 18.04 with my Lenovo Thinkpad T460s. After an update a couple of weeks ago I did a reboot and I saw something which included the word "EFI" in the top left corner of my screen. Then ...
17
votes
2
answers
28k
views
Update Gigabyte Motherboard BIOS with Ubuntu
I have a Gigabyte GA-J1900N-D3V, running a small server computer. I exclusively use Ubuntu 16.04 on it.
Recently, I bought a Mini-PCIe expansion board to add additional storage - the motherboard has ...
1
vote
1
answer
981
views
Can anybody help me resolve these FWTS issues?
See the list below. I have no clue where to start.
I ran firmware testsuitelive (USB). Some tests failed, which might explain the issues I'm having with my machine (constant reboot after shutdown or ...
4
votes
1
answer
3k
views
In ubuntu, how to find whether CMOS battery is working or not? [closed]
I want to programatically determine whether CMOS battery is working or not. In my C++ program on linux I want to connect to internet and update system time if CMOS battery is not present or not ...
0
votes
3
answers
1k
views
apparent low color depth on EFI Boot
I am running Ubuntu 13.04 and Mint 14 on a Mac Mini 6,2 (Late 2012) - Intel HD4000. When I boot from the legacy BIOS, I see good colour as it should appear. However, when I boot from the EFI partition,...
1
vote
1
answer
20k
views
How do I install update the BIOS of my Acer Aspire 4820TG laptop?
The BIOS update for the Acer Aspire 4820TG is distributed as a zip file, containing a Windows executable and a DOS executable.
How do I get this installed under Ubuntu without resorting to installing ...