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#1 2025-11-30 18:37:23
- Sapiens Ranae
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- Registered: 2025-06-08
- Posts: 21
[SOLVED] 144 hz stopped working on my external monitor
I have a laptop with nvdia-gpu and 144hz external monitor. Everything worked fine, until I installed a tv in my room and tried connecting it to my laptop. 4k with 60 hz and it also worked fine. the problem is, when I plugged my main monitor back, it could only go up 60hz. However tv still goes 4k 60hz. I use same hdmi 2.1 cable, so it is not broken
I have the driver updated. I works the same under wayland or x11
nvidia-smi
Sun Nov 30 19:33:27 2025
+-----------------------------------------------------------------------------------------+
| NVIDIA-SMI 580.105.08 Driver Version: 580.105.08 CUDA Version: 13.0 |
+-----------------------------------------+------------------------+----------------------+
| GPU Name Persistence-M | Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap | Memory-Usage | GPU-Util Compute M. |
| | | MIG M. |
|=========================================+========================+======================|
| 0 NVIDIA GeForce RTX 4050 ... Off | 00000000:01:00.0 On | N/A |
| N/A 47C P5 8W / 80W | 2555MiB / 6141MiB | 16% Default |
| | | N/A |
+-----------------------------------------+------------------------+----------------------+and here is my xrandr output
Screen 0: minimum 16 x 16, current 3840 x 1080, maximum 32767 x 32767
HDMI-A-1 connected primary 1920x1080+1920+0 (normal left inverted right x axis y axis) 600mm x 340mm
1920x1080 59.96*+
1440x1080 59.99
1400x1050 59.98
1280x1024 59.89
1280x960 59.94
1152x864 59.96
1024x768 59.92
800x600 59.86
640x480 59.38
320x240 59.29
1680x1050 59.95
1440x900 59.89
1280x800 59.81
1152x720 59.97
960x600 59.63
928x580 59.88
800x500 59.50
768x480 59.90
720x480 59.71
640x400 59.95
320x200 58.14
1600x900 59.95
1368x768 59.88
1280x720 59.86
1024x576 59.90
864x486 59.92
720x400 59.27
640x350 59.28
eDP-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 355mm x 200mm
1920x1080 143.88*+
1440x1080 143.80
1400x1050 143.89
1280x1024 143.79
1280x960 143.86
1152x864 143.92
1024x768 143.87
800x600 143.83
640x480 143.85
320x240 142.05
1680x1050 143.88
1440x900 143.86
1280x800 143.84
1152x720 143.77
960x600 143.72
928x580 143.50
800x500 143.68
768x480 143.69
720x480 143.85
640x400 143.37
320x200 141.40
1600x900 143.93
1368x768 143.77
1280x720 143.67
1024x576 143.91
864x486 143.63
720x400 143.88
640x350 143.57 Last edited by Sapiens Ranae (2025-11-30 21:07:38)
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#2 2025-11-30 19:38:58
- seth
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- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 75,085
Re: [SOLVED] 144 hz stopped working on my external monitor
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#3 2025-11-30 20:00:56
- Sapiens Ranae
- Member
- Registered: 2025-06-08
- Posts: 21
Re: [SOLVED] 144 hz stopped working on my external monitor
I am assuming you meant to disable fastboot in windows, but I do not have windows installed for a long time, and the issue started, when I unplugged my main monitor and instead plugged in 4k tv, while I was on arch. But thanks for trying!
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#4 2025-11-30 20:02:32
- seth
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- Registered: 2012-09-03
- Posts: 75,085
Re: [SOLVED] 144 hz stopped working on my external monitor
No, I clearly mean
seth wrote:
Please be more specific about the version, https://bbs.archlinux.org/viewtopic.php?id=310035
You don't even have to be specific, I can see that you've the affected version.
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#5 2025-11-30 20:39:21
- Sapiens Ranae
- Member
- Registered: 2025-06-08
- Posts: 21
Re: [SOLVED] 144 hz stopped working on my external monitor
I am a newbie (although I'm using linux for 3 good years), so sorry, if I'm sometimes stupid. I tried to downgrade nvidia nvidia-utils lib32-nvidia-utils using aur downdrade to 575 and 570, but both times it did not eve pick up a drive, so I updated again to the affected version.
I did
for OUT in /sys/class/drm/card*; do echo $OUT; edid-decode $OUT/edid; echo "================="; done /sys/class/drm/card0
/sys/class/drm/card0/edid: No such file or directory
=================
/sys/class/drm/card0-DP-1
EDID of '/sys/class/drm/card0-DP-1/edid' was empty.
=================
/sys/class/drm/card1
/sys/class/drm/card1/edid: No such file or directory
=================
/sys/class/drm/card1-eDP-1
edid-decode (hex):
00 ff ff ff ff ff ff 00 09 e5 9f 0b 00 00 00 00
1e 20 01 04 a5 24 14 78 03 22 35 97 59 57 8e 29
1e 50 54 00 00 00 01 01 01 01 01 01 01 01 01 01
01 01 01 01 01 01 8d 8f 80 18 71 38 50 40 6c 30
aa 00 63 c8 10 00 00 1a d0 3b 80 18 71 38 50 40
6c 30 aa 00 63 c8 10 00 00 1a 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 02
00 0d 40 ff 0a 3c 7d 25 16 2b 7d 00 00 00 01 b8
70 20 79 02 00 25 01 09 7f 9b 05 7f 9b 05 3c 90
80 81 00 13 72 1a 00 00 03 01 3c 90 00 00 4a 4a
4a 4a 90 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 04 90
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.4
Vendor & Product Identification:
Manufacturer: BOE
Model: 2975
Made in: week 30 of 2022
Basic Display Parameters & Features:
Digital display
Bits per primary color channel: 8
DisplayPort interface
Maximum image size: 36 cm x 20 cm
Gamma: 2.20
Supported color formats: RGB 4:4:4
First detailed timing includes the native pixel format and preferred refresh rate
Display supports continuous frequencies
Color Characteristics:
Red : 0.5898, 0.3496
Green: 0.3398, 0.5566
Blue : 0.1601, 0.1201
White: 0.3134, 0.3291
Established Timings I & II: none
Standard Timings: none
Detailed Timing Descriptors:
DTD 1: 1920x1080 144.000784 Hz 16:9 167.041 kHz 367.490000 MHz (355 mm x 200 mm)
Hfront 108 Hsync 48 Hback 124 Hpol P
Vfront 10 Vsync 10 Vback 60 Vpol N
DTD 2: 1920x1080 60.000000 Hz 16:9 69.600 kHz 153.120000 MHz (355 mm x 200 mm)
Hfront 108 Hsync 48 Hback 124 Hpol P
Vfront 10 Vsync 10 Vback 60 Vpol N
Empty Descriptor
Manufacturer-Specified Display Descriptor (0x02): 00 02 00 0d 40 ff 0a 3c 7d 25 16 2b 7d 00 00 00 '....@..<}%.+}...'
Extension blocks: 1
Checksum: 0xb8
----------------
Block 1, DisplayID Extension Block:
Version: 2.0
Extension Count: 0
Display Product Primary Use Case: None of the listed primary use cases; generic display
Dynamic Video Timing Range Limits Data Block:
Minimum Pixel Clock: 367488 kHz
Maximum Pixel Clock: 367488 kHz
Minimum Vertical Refresh Rate: 60 Hz
Maximum Vertical Refresh Rate: 144 Hz
Seamless Dynamic Video Timing Support: Yes
CTA-861 DisplayID Data Block:
Vendor-Specific Data Block (AMD), OUI 00-00-1A:
Version: 3
Feature Caps: 0x01
Minimum Refresh Rate: 60 Hz
Maximum Refresh Rate: 144 Hz
Flags 1.x: 0x00
Flags 2.x: 0x00
Maximum luminance: 74 (248.372 cd/m^2)
Minimum luminance: 74 (0.209 cd/m^2)
Unknown: 0x4a 0x4a
Checksum: 0x04
Checksum: 0x90
=================
/sys/class/drm/card1-HDMI-A-1
edid-decode (hex):
00 ff ff ff ff ff ff 00 1e 6d 02 5c 43 67 00 00
06 21 01 03 80 3c 22 78 ea ab 45 a4 56 50 9e 27
12 50 54 21 08 00 d1 c0 01 01 01 01 01 01 01 01
01 01 01 01 01 01 28 83 80 a0 70 38 29 40 30 20
35 00 58 54 21 00 00 1a 02 3a 80 18 71 38 2d 40
58 2c 45 00 58 54 21 00 00 1a 00 00 00 fd 00 30
90 1e aa 22 00 0a 20 20 20 20 20 20 00 00 00 fc
00 4c 47 20 55 4c 54 52 41 47 45 41 52 0a 01 d7
02 03 28 f1 23 09 07 07 4b 01 02 03 04 11 12 13
1f 90 3f 40 65 03 0c 00 10 00 6d 1a 00 00 02 05
30 90 00 04 4a 2e 4a 2e 86 6f 80 a0 70 38 40 40
30 20 35 00 58 54 21 00 00 1a fe 5b 80 a0 70 38
35 40 30 20 35 00 58 54 21 00 00 1a 00 00 00 ff
00 0a 20 20 20 20 20 20 20 20 20 20 20 20 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 f5
----------------
Block 0, Base EDID:
EDID Structure Version & Revision: 1.3
Vendor & Product Identification:
Manufacturer: GSM
Model: 23554
Serial Number: 26435 (0x00006743)
Made in: week 6 of 2023
Basic Display Parameters & Features:
Digital display
Maximum image size: 60 cm x 34 cm
Gamma: 2.20
DPMS levels: Standby Suspend Off
RGB color display
First detailed timing is the preferred timing
Color Characteristics:
Red : 0.6425, 0.3378
Green: 0.3144, 0.6201
Blue : 0.1533, 0.0703
White: 0.3134, 0.3291
Established Timings I & II:
DMT 0x04: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz
DMT 0x09: 800x600 60.316541 Hz 4:3 37.879 kHz 40.000000 MHz
DMT 0x10: 1024x768 60.003840 Hz 4:3 48.363 kHz 65.000000 MHz
Standard Timings:
DMT 0x52: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz
Detailed Timing Descriptors:
DTD 1: 1920x1080 143.999177 Hz 16:9 161.423 kHz 335.760000 MHz (600 mm x 340 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 5 Vback 33 Vpol N
DTD 2: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz (600 mm x 340 mm)
Hfront 88 Hsync 44 Hback 148 Hpol P
Vfront 4 Vsync 5 Vback 36 Vpol N
Display Range Limits:
Monitor ranges (GTF): 48-144 Hz V, 30-170 kHz H, max dotclock 340 MHz
Display Product Name: 'LG ULTRAGEAR'
Extension blocks: 1
Checksum: 0xd7
----------------
Block 1, CTA-861 Extension Block:
Revision: 3
Underscans IT Video Formats by default
Basic audio support
Supports YCbCr 4:4:4
Supports YCbCr 4:2:2
Native detailed modes: 1
Audio Data Block:
Linear PCM:
Max channels: 2
Supported sample rates (kHz): 48 44.1 32
Supported sample sizes (bits): 24 20 16
Video Data Block:
VIC 1: 640x480 59.940476 Hz 4:3 31.469 kHz 25.175000 MHz
VIC 2: 720x480 59.940060 Hz 4:3 31.469 kHz 27.000000 MHz
VIC 3: 720x480 59.940060 Hz 16:9 31.469 kHz 27.000000 MHz
VIC 4: 1280x720 60.000000 Hz 16:9 45.000 kHz 74.250000 MHz
VIC 17: 720x576 50.000000 Hz 4:3 31.250 kHz 27.000000 MHz
VIC 18: 720x576 50.000000 Hz 16:9 31.250 kHz 27.000000 MHz
VIC 19: 1280x720 50.000000 Hz 16:9 37.500 kHz 74.250000 MHz
VIC 31: 1920x1080 50.000000 Hz 16:9 56.250 kHz 148.500000 MHz
VIC 16: 1920x1080 60.000000 Hz 16:9 67.500 kHz 148.500000 MHz (native)
VIC 63: 1920x1080 120.000000 Hz 16:9 135.000 kHz 297.000000 MHz
VIC 64: 1920x1080 100.000000 Hz 16:9 112.500 kHz 297.000000 MHz
Vendor-Specific Data Block (HDMI), OUI 00-0C-03:
Source physical address: 1.0.0.0
Vendor-Specific Data Block (AMD), OUI 00-00-1A:
Version: 2
Feature Caps: 0x05
Minimum Refresh Rate: 48 Hz
Maximum Refresh Rate: 144 Hz
Flags 1.x: 0x00
Flags 2.x: 0x04
Maximum luminance: 74 (248.372 cd/m^2)
Minimum luminance: 46 (0.081 cd/m^2)
Maximum luminance (without local dimming): 74 (248.372 cd/m^2)
Minimum luminance (without local dimming): 46 (0.081 cd/m^2)
Detailed Timing Descriptors:
DTD 3: 1920x1080 119.982181 Hz 16:9 137.260 kHz 285.500000 MHz (600 mm x 340 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 5 Vback 56 Vpol N
DTD 4: 1920x1080 99.930409 Hz 16:9 113.221 kHz 235.500000 MHz (600 mm x 340 mm)
Hfront 48 Hsync 32 Hback 80 Hpol P
Vfront 3 Vsync 5 Vback 45 Vpol N
Display Product Serial Number: ''
Checksum: 0xf5 Unused space in Extension Block: 33 bytes
=================I am also using wayland KDE plasma, but I do not have a custom edid nor I know what that is. I am too stupid, to understand, what even a half of what you were writing there means, so if you could provide me some help, but in simpler word, I would be very greatful and thank you for you time.
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#6 2025-11-30 20:41:11
- Scimmia
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- Registered: 2012-09-01
- Posts: 13,724
Re: [SOLVED] 144 hz stopped working on my external monitor
You can't downgrade the 'nvidia' package without downgrading to the kernel that the module was built for. If you need to downgrade the drivers, use dkms.
And you don't need to downgrade nearly that far.
Last edited by Scimmia (2025-11-30 20:41:49)
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#7 2025-11-30 20:42:41
- seth
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- From: Won't reply 2 private help req
- Registered: 2012-09-03
- Posts: 75,085
Re: [SOLVED] 144 hz stopped working on my external monitor
The idea would be to downgrade to 580.95.05-1
nb. you'll have to use nvidia-dkms (and install the relevant kernel headers) because the prebuilt modules are tied to the kernel they were built for.
https://wiki.archlinux.org/title/Dynami … le_Support
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#8 2025-11-30 20:45:11
- Sapiens Ranae
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- Registered: 2025-06-08
- Posts: 21
Re: [SOLVED] 144 hz stopped working on my external monitor
So you say, that I need to download nvidia-dkms drivers insted of "normal" nvidia drivers and downgrade them to like 580.82.09? Just what to double check
edit: did not see seth's post. So I need to do everything above, but with 580.95.05-1 drivers?
Last edited by Sapiens Ranae (2025-11-30 20:48:38)
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#9 2025-11-30 20:50:36
- seth
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- Registered: 2012-09-03
- Posts: 75,085
Re: [SOLVED] 144 hz stopped working on my external monitor
Yes, make sure to read the dkms wiki article and install the relevant kernel headers (it's NOT the api headers!) if you've never used dkms before.
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#10 2025-11-30 21:07:21
- Sapiens Ranae
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- Registered: 2025-06-08
- Posts: 21
Re: [SOLVED] 144 hz stopped working on my external monitor
YEA, that worked, thank you foe you help and patience so much! everything is so smooth
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