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#1 2024-07-15 18:41

aonine
Member
Registered: 2024-07-13
Posts: 23

Installed Q4os but no bootloader to access it

Hi I've installed Q4os finally but for some reason it doesn't install with bootloader like grub and I can't find it in my UEFI settings just my Windows Os, is there any way to fix this?

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#2 2024-07-16 05:47

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

update: I reinstalled Q4Os again and still having the same problem, I can see my Linux in my bios list
just to give more details I have 2 SSD, in the first one I have windows and in bios it show me up windows boot manager but in the second one where I've installed q4os it doesn't show in my bios list, is grub damaged?

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#3 2024-07-16 08:13

seb3773
Member
Registered: 2023-11-01
Posts: 147

Re: Installed Q4os but no bootloader to access it

Never run into this issue, but I think I would try to install q4os on the second disk, with the other disk (windows) disconnected during the install process (maybe grub has a problem with the two disks configuration in your case), and see if it's ok.
If it works, then just reconnect the windows disk, and configure EFI to boot the disk with grub. If it's ok, you'll just have to set grub to discover other os and you will be able to boot windows with grub too if needed. Just a guess, like I said never encounter this issue.

Maybe q4osTeam can help here


My Q4OS scripts: win10/osx theming, perfs optimisation, laptop configuration, ...  for trinity users -->  https://github.com/seb3773/q4osXpack

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#4 2024-07-16 09:42

q4osteam
Q4OS Team
Registered: 2015-12-06
Posts: 4,502
Website

Re: Installed Q4os but no bootloader to access it

What installation image did you use, live media ? If so, we would try using install-cd. As far as we know, some Windows based computers forcibly remove EFI records other then Windows related.

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#5 2024-07-16 11:54

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

q4osteam wrote:

What installation image did you use, live media ? If so, we would try using install-cd. As far as we know, some Windows based computers forcibly remove EFI records other then Windows related.

yeah I was using the live media iso, i will try this with the install cd then, I hope it works

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#6 2024-07-17 00:46

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

q4osteam wrote:

What installation image did you use, live media ? If so, we would try using install-cd. As far as we know, some Windows based computers forcibly remove EFI records other then Windows related.

Update 2: still having the same issue with install-cd, I don't know why is happening this because I've installed debian and archlinux in the same way and never had this issue before

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#7 2024-07-17 21:09

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

Is something I can do to fix the bootloader from windows or with a live cd?

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#8 2024-07-18 07:24

hchiper
Member
From: Belgium
Registered: 2020-07-28
Posts: 519

Re: Installed Q4os but no bootloader to access it

aonine wrote:

I've installed debian and archlinux in the same way and never had this issue before

Then, maybe you could use a workaround: Setup Q4OS on top of a Debian based distribution.

Last edited by hchiper (2024-07-18 07:24)


Q4OS machine: Samsung R519 - Pentium T4200 2.0 GHz - 4 GB RAM - 500 GB SSD

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#9 2024-07-18 08:45

q4osteam
Q4OS Team
Registered: 2015-12-06
Posts: 4,502
Website

Re: Installed Q4os but no bootloader to access it

Yes, we can recommend you to install pain Debian and use the script as @hchiper suggests.

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#10 2024-07-19 00:06

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

hchiper wrote:
aonine wrote:

I've installed debian and archlinux in the same way and never had this issue before

Then, maybe you could use a workaround: Setup Q4OS on top of a Debian based distribution.

Hey guys this method works fine for me! But now i have another issue, this is different but for some reason I always have issues installing NVIDIA drivers on Debian, i did use the drivers tha come with Q4Os setup and after installed, it just start in text mode with this
Failed to start Light Display Manager
Is there a way to fix this?

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#11 2024-07-19 00:07

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

It seems is due a kernel issue with intel 13th CPUs

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#12 2024-07-19 02:05

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

update 4: For some reason, after install debian and install Q4OS there now I'm able to use the q4os that installed in another partition and it was unable to boot, but in both case after I install Nvidia Drivers I'm unable to boot and I must to uninstall these drivers, idk why is happening this, I've updated linux kernel, following tutorials and even try to fix light screen but still having this issue, the only way to fix it is uninstall these drivers, is there anyway to fix this?

Besides that, is there a way to install triniy DE with screen scaling?

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#13 2024-07-19 10:30

q4osteam
Q4OS Team
Registered: 2015-12-06
Posts: 4,502
Website

Re: Installed Q4os but no bootloader to access it

aonine wrote:

...after I install Nvidia Drivers I'm unable to boot ...

You need to uninstall the drivers from terminal:
$ nvidia-uninstall
and don't install them again.

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#14 2024-07-19 10:31

q4osteam
Q4OS Team
Registered: 2015-12-06
Posts: 4,502
Website

Re: Installed Q4os but no bootloader to access it

aonine wrote:

Besides that, is there a way to install triniy DE with screen scaling?

Yes, run the desktop profiler https://q4os.org/dqa016.html and install Trinity DE.

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#15 2024-07-19 11:57

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

q4osteam wrote:
aonine wrote:

...after I install Nvidia Drivers I'm unable to boot ...

You need to uninstall the drivers from terminal:
$ nvidia-uninstall
and don't install them again.

But it doesn't mean gpu performance would be slow? I want it for play games

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#16 2024-07-19 11:58

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

q4osteam wrote:
aonine wrote:

Besides that, is there a way to install triniy DE with screen scaling?

Yes, run the desktop profiler https://q4os.org/dqa016.html and install Trinity DE.

But it works for different distros? Without install q4os

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#17 2024-07-20 06:22

aonine
Member
Registered: 2024-07-13
Posts: 23

Re: Installed Q4os but no bootloader to access it

update 3: Finally I was able to install nvidia drivers without issues! I just had to disable secure boot and woah! It works fine!
I just want to know how I can pair two monitors (a digital drawing tablet) and this works fine with trinity? I want to make some modifications but in Kdesktop looks gray


Attachments:
png 2024-07-19_22-21.png, Size: 70.94 KiB, Downloads: 45

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#18 2024-07-21 14:57

q4osteam
Q4OS Team
Registered: 2015-12-06
Posts: 4,502
Website

Re: Installed Q4os but no bootloader to access it

Thanks for the report, we will update Nvidia drivers installer to warn users with secure boot enabled.

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