Cannot get into the Graphical Interface.

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SpecialYT
White ninja
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Posts: 6
Joined: 11 Apr 2026, 12:14
Distribution: Porteus 5.01 xfce

Cannot get into the Graphical Interface.

Post#1 by SpecialYT » 11 Apr 2026, 13:39

So i am new to linux and porteus , just needed a portable system. I downloaded the Porteus-XFCE-v5.01-x86_64.iso somehow and did all the steps , like running the installer inside the .iso after that. it boots up and when i go to the Graphics Mode it shows some commands and then when the X11 or whatever starts , my monitor goes black and displays:
"Input timing dont match , please set your input timing to 1280x1024@60Hz"
My original monitor is the same 1280x1024@60Hz and it just gets stuck here, however i am able to access the "Text Mode" terminal. any help is appreciated in this case, these are my specs :
  • 12gb RAM
  • Nvidia Quadro 600
  • Core i3 2nd generation
  • Dell optiplex 790

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Ed_P
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Distribution: Cinnamon 5.01 ISO
Location: Western NY, USA

Cannot get into the Graphical Interface.

Post#2 by Ed_P » 11 Apr 2026, 22:37

Hello SpecialYT

Where are you setting the screen resolution? And why? Try booting without setting the screen and see what happens.

Are you booting a USB stick?

Added in 5 hours 36 minutes 30 seconds:
Very old thread but may help: Set Screen resolution on boot up

SpecialYT
White ninja
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Posts: 6
Joined: 11 Apr 2026, 12:14
Distribution: Porteus 5.01 xfce

Cannot get into the Graphical Interface.

Post#3 by SpecialYT » 12 Apr 2026, 14:01

I am not setting the screen resolution anywhere , I boot the full operating system on the USB and didn't configured anything on it.
It looks like its trying to display any bigger resolution that my monitor don't even support.

norb
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Distribution: porteus

Cannot get into the Graphical Interface.

Post#4 by norb » 12 Apr 2026, 14:11

Are you booting as 'Fresh' or have you something else on the USB?

SpecialYT
White ninja
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Posts: 6
Joined: 11 Apr 2026, 12:14
Distribution: Porteus 5.01 xfce

Cannot get into the Graphical Interface.

Post#5 by SpecialYT » 12 Apr 2026, 14:19

its just the whole System nothing else , and tried the "Fresh Mode" but no luck still the same problem. Its the USB Contents :https://drive.google.com/file/d/1kt76JR ... sp=sharing

SpecialYT
White ninja
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Posts: 6
Joined: 11 Apr 2026, 12:14
Distribution: Porteus 5.01 xfce

Cannot get into the Graphical Interface.

Post#6 by SpecialYT » 12 Apr 2026, 16:07

OK so i was trying random solutions until i did this :

Code: Select all

nano /etc/X11/xorg.conf.d/xorg.conf
and it creates a new configuration file for the X11, this config however just let me see the desktop with a lower resolution somehow :

Code: Select all

Section "Device"
        Identifier "Card0"
        Driver "nouveau"
EndSection
Section "Monitor"
        Identifier "Screen0"
        HorizSync 30-81
        VertRefresh 56-76
        ModeLine "1280x1024" 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync
EndSection
Section "Screen"
        Identifier "Screen0"
        Device "Card0"
        Monitor "Monitor0"
        DefaultDepth 24
        SubSection "Display"
                Depth 24
                Modes "1280x1024" "1024x768"
        EndSubSection
EndSection
But still it only allows me to change to these resolutions :
  • 1024x768
  • 800x600
  • 848x480
  • 640x480
This looks like a drivers problem on my end , and i also find the placement of the xorg.conf at every boot painful , how can i make it permanent for now ? and please if anyone know about the nvidia-390 on porteus please let me know.

beny
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Cannot get into the Graphical Interface.

Post#7 by beny » 12 Apr 2026, 16:44

/Porteus-XFCE-v5.0-x86_64/boot/syslinux/porteus.conf
hi ,at porteus.conf try to modify the text line to boot at init 3 you can login as guest password guest, the line that you have changes is this:APPEND changes=/porteus 3 nomodeset, maybe it work, you have the right resolution:"1280x1024" "1024x768"

LABEL text
MENU LABEL Text mode Modes KERNEL /boot/syslinux/vmlinuz
INITRD /boot/syslinux/initrd.xz
APPEND changes=/porteus 3 nomodeset
TEXT HELP
Run Porteus in text mode and
start the command prompt only
ENDTEXT

SpecialYT
White ninja
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Posts: 6
Joined: 11 Apr 2026, 12:14
Distribution: Porteus 5.01 xfce

Cannot get into the Graphical Interface.

Post#8 by SpecialYT » 12 Apr 2026, 18:29

beny wrote:
12 Apr 2026, 16:44
/Porteus-XFCE-v5.0-x86_64/boot/syslinux/porteus.conf
hi ,at porteus.conf try to modify the text line to boot at init 3 you can login as guest password guest, the line that you have changes is this:APPEND changes=/porteus 3 nomodeset, maybe it work, you have the right resolution:"1280x1024" "1024x768"

LABEL text
MENU LABEL Text mode Modes KERNEL /boot/syslinux/vmlinuz
INITRD /boot/syslinux/initrd.xz
APPEND changes=/porteus 3 nomodeset
TEXT HELP
Run Porteus in text mode and
start the command prompt only
ENDTEXT
I didn't found any .conf file but found the .cfg file in the path you described.
here is what i changed :

Code: Select all

LABEL GRAPHICAL
MENU LABEL Graphics mode
KERNEL /boot/syslinux/vmlinuz
INITRD /boot/syslinux/initrd.xz
APPEND changes=/porteus 3 nomodeset
TEXT HELP
    Run Porteus the best way we can.
    Try to autoconfigure graphics
    card and use the maximum allowed
    resolution. If booting from a
    non-posix (FAT/NTFS) drive,
    see the Saving Changes Help
    below for how to save changes.
ENDTEXT
i will be testing this , but the chances are low for it to work as i tried the TAB editing method when on boot screen to add a extra "nomodeset".

beny
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Posts: 2400
Joined: 02 Jan 2011, 11:33
Location: italy

Cannot get into the Graphical Interface.

Post#9 by beny » 12 Apr 2026, 19:54

the graphical way is the automatic way to boot at init 4,you have to modify the text mode cfg if you like to see if work or not login guest password guest

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