Unable to change resolutions.

[TheDip]

Hello I just installed Linux after being a longtime windows user (got sick of window's issues) and switched to mint. Long story short I'm unable to change my resolution and have followed multiple guides to fix it but am unable because of "xrandr: Failed to get size of gamma for output default" I have no clue what this means or how to troubleshoot it as there is little information I can find regarding it. Any assistance is welcomed.

[SMG]

Any assistance is welcomed.

Welcome to the forum, TheDip.

Please open the System Reports app and click the System Information tab on the left. Your computer's information should come up in the right pane. Then click the Copy button in the lower right and paste the results into a reply window here so we can see how Linux Mint views your hardware.

[TheDip]

Any assistance is welcomed.

Welcome to the forum, TheDip.

Please open the System Reports app and click the System Information tab on the left. Your computer's information should come up in the right pane. Then click the Copy button in the lower right and paste the results into a reply window here so we can see how Linux Mint views your hardware.

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System:
  Kernel: 5.15.0-101-generic x86_64 bits: 64 compiler: gcc v: 11.4.0 Desktop: Cinnamon 6.0.4
    tk: GTK 3.24.33 wm: muffin vt: 7 dm: LightDM 1.30.0 Distro: Linux Mint 21.3 Virginia
    base: Ubuntu 22.04 jammy
Machine:
  Type: Desktop System: Gigabyte product: B450 AORUS ELITE V2 v: -CF serial: <superuser required>
  Mobo: Gigabyte model: B450 AORUS ELITE V2 v: x.x serial: <superuser required>
    UEFI: American Megatrends LLC. v: F64 date: 08/11/2022
CPU:
  Info: 8-core model: AMD Ryzen 7 5700X3D bits: 64 type: MT MCP smt: enabled arch: Zen 3 rev: 2
    cache: L1: 512 KiB L2: 4 MiB L3: 96 MiB
  Speed (MHz): avg: 3350 high: 4038 min/max: 2200/3000 boost: enabled cores: 1: 3193 2: 3761
    3: 3990 4: 3185 5: 3160 6: 3156 7: 3209 8: 3189 9: 3202 10: 3535 11: 4038 12: 3221 13: 3168
    14: 3206 15: 3198 16: 3195 bogomips: 96003
  Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 sse4a ssse3 svm
Graphics:
  Device-1: NVIDIA vendor: ASUSTeK driver: N/A pcie: speed: 5 GT/s lanes: 4 bus-ID: 05:00.0
    chip-ID: 10de:2783 class-ID: 0300
  Display: x11 server: X.Org v: 1.21.1.4 driver: X: loaded: nouveau,vesa
    unloaded: fbdev,modesetting gpu: N/A display-ID: :0 screens: 1
  Screen-1: 0 s-res: 1024x768 s-dpi: 96 s-size: 271x203mm (10.7x8.0") s-diag: 339mm (13.3")
  Monitor-1: default res: 1024x768 hz: 76 size: N/A
  OpenGL: renderer: llvmpipe (LLVM 15.0.7 256 bits) v: 4.5 Mesa 23.2.1-1ubuntu3.1~22.04.2
    direct render: Yes
Audio:
  Device-1: NVIDIA vendor: ASUSTeK driver: snd_hda_intel v: kernel pcie: speed: 5 GT/s lanes: 4
    bus-ID: 05:00.1 chip-ID: 10de:22bc class-ID: 0403
  Device-2: AMD Starship/Matisse HD Audio vendor: Gigabyte driver: snd_hda_intel v: kernel pcie:
    speed: 16 GT/s lanes: 16 bus-ID: 07:00.4 chip-ID: 1022:1487 class-ID: 0403
  Sound Server-1: ALSA v: k5.15.0-101-generic running: yes
  Sound Server-2: PulseAudio v: 15.99.1 running: yes
  Sound Server-3: PipeWire v: 0.3.48 running: yes
Network:
  Device-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: Gigabyte driver: r8169
    v: kernel pcie: speed: 2.5 GT/s lanes: 1 port: f000 bus-ID: 03:00.0 chip-ID: 10ec:8168
    class-ID: 0200
  IF: eno1 state: up speed: 1000 Mbps duplex: full mac: <filter>
Drives:
  Local Storage: total: 3.64 TiB used: 21 GiB (0.6%)
  ID-1: /dev/sda vendor: Western Digital model: WD4005FZBX-00K5WB0 size: 3.64 TiB
    speed: 6.0 Gb/s type: HDD rpm: 7200 serial: <filter> rev: 1A01 scheme: GPT
Partition:
  ID-1: / size: 3.58 TiB used: 20.99 GiB (0.6%) fs: ext4 dev: /dev/sda2
  ID-2: /boot/efi size: 511 MiB used: 6.1 MiB (1.2%) fs: vfat dev: /dev/sda1
Swap:
  ID-1: swap-1 type: file size: 2 GiB used: 0 KiB (0.0%) priority: -2 file: /swapfile
USB:
  Hub-1: 1-0:1 info: Hi-speed hub with single TT ports: 10 rev: 2.0 speed: 480 Mb/s
    chip-ID: 1d6b:0002 class-ID: 0900
  Hub-2: 2-0:1 info: Super-speed hub ports: 4 rev: 3.1 speed: 10 Gb/s chip-ID: 1d6b:0003
    class-ID: 0900
  Hub-3: 3-0:1 info: Hi-speed hub with single TT ports: 4 rev: 2.0 speed: 480 Mb/s
    chip-ID: 1d6b:0002 class-ID: 0900
  Device-1: 3-1:2 info: Holtek Gaming Mouse [Redragon M908] type: Mouse,Keyboard,HID
    driver: hid-generic,usbhid interfaces: 3 rev: 2.0 speed: 12 Mb/s power: 100mA chip-ID: 04d9:fc4d
    class-ID: 0300
  Device-2: 3-4:3 info: China Resource Semico USB Keyboard type: Keyboard,Mouse
    driver: hid-generic,usbhid interfaces: 2 rev: 1.1 speed: 1.5 Mb/s power: 500mA
    chip-ID: 1a2c:4c5e class-ID: 0301
  Hub-4: 4-0:1 info: Super-speed hub ports: 4 rev: 3.1 speed: 10 Gb/s chip-ID: 1d6b:0003
    class-ID: 0900
Sensors:
  System Temperatures: cpu: 16.8 C mobo: N/A
  Fan Speeds (RPM): N/A
Repos:
  Packages: apt: 2169
  No active apt repos in: /etc/apt/sources.list
  Active apt repos in: /etc/apt/sources.list.d/official-package-repositories.list
    1: deb http: //packages.linuxmint.com virginia main upstream import backport
    2: deb http: //archive.ubuntu.com/ubuntu jammy main restricted universe multiverse
    3: deb http: //archive.ubuntu.com/ubuntu jammy-updates main restricted universe multiverse
    4: deb http: //archive.ubuntu.com/ubuntu jammy-backports main restricted universe multiverse
    5: deb http: //security.ubuntu.com/ubuntu/ jammy-security main restricted universe multiverse
Info:
  Processes: 331 Uptime: 5m wakeups: 0 Memory: 7.67 GiB used: 1.99 GiB (26.0%) Init: systemd
  v: 249 runlevel: 5 Compilers: gcc: 11.4.0 alt: 11/12 Client: Unknown python3.10 client
  inxi: 3.3.13

[SMG]

Long story short I'm unable to change my resolution and have followed multiple guides to fix it but am unable because of "xrandr: Failed to get size of gamma for output default"

The story is your system has no graphics drivers loaded. You cannot get or change the resolution until you have graphics drivers loaded.

Graphics:
Device-1: NVIDIA vendor: ASUSTeK driver: N/A pcie: speed: 5 GT/s lanes: 4 bus-ID: 05:00.0
chip-ID: 10de:2783 class-ID: 0300
Display: x11 server: X.Org v: 1.21.1.4 driver: X: loaded: nouveau,vesa
unloaded: fbdev,modesetting gpu: N/A display-ID: :0 screens: 1
Screen-1: 0 s-res: 1024x768 s-dpi: 96 s-size: 271x203mm (10.7x8.0") s-diag: 339mm (13.3")
Monitor-1: default res: 1024x768 hz: 76 size: N/A
OpenGL: renderer: llvmpipe (LLVM 15.0.7 256 bits) v: 4.5 Mesa 23.2.1-1ubuntu3.1~22.04.2
direct render: Yes

That issue is explained in Tips for Troubleshooting Graphics Issues (including external monitors not working) which is a sticky at the top of the Graphics Cards & Monitors forum where you posted.

Please upgrade to a newer kernel series which will better support your hardware. (The Linux Mint 21.3 Cinnamon (Edge) Edition ISO is specifically for newer hardware like yours, but you don't need to reinstall.)

Instructions for upgrading to the 6.5 kernel:

• Open Update Manager.
• Select View > Linux Kernels and click Continue.
• Make sure 6.5 is selected on the left panel and then click the top-most option on the right panel. An "Install" button will appear.
• Install the kernel and then reboot for it to become active.

If this is the correct link, the latest BIOS/UEFI is version F66.

Machine:
Type: Desktop System: Gigabyte product: B450 AORUS ELITE V2 v: -CF serial: <superuser required>
Mobo: Gigabyte model: B450 AORUS ELITE V2 v: x.x serial: <superuser required>
UEFI: American Megatrends LLC. v: F64 date: 08/11/2022

The Nvidia proprietary graphics drivers are available in Driver Manager. Did you install a proprietary driver? The 535 driver should be available in Driver Manager.

There are two steps with a proprietary Nvidia driver. The first step is using Driver Manager to install the driver. The second step is having the driver load at boot time. If you have secure boot enabled and you did not create keys (MOK) then the driver will not load at boot time.

Is secure boot enabled? You can check by running the following in a terminal

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mokutil --sb-state

With an Nvidia driver installed, please provide the output of

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dpkg -l | grep -i nvidia

and enclose the results in code tags as described in this tutorial: How to use code display tags on forums.linuxmint.com

We can check to make sure the driver appears to be installed properly. With regards to secure boot, you can either disable it in the BIOS/UEFI so the proprietary driver loads or you can create keys (MOK) so the driver is trusted. (Directions are in the Tips Topic and I can also copy them here if you have questions.)