Resolution problem (using DVI-I to VGA converter)

Support Graphics & Display
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1

I’m using version 22.0.5 with pre-installed KDE Plasma GUI and DVI-I to VGA converter, and when I’m trying to add resolution (1280x1024@75; aspect ratio 5:4) using xrandr, it showing me that error:

Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed request: 18 (RRAddOutputMode)
Serial number of failed request: 29
Current serial number in output stream: 30

As I found out, the problem is due to the adapter.

After searching the Internet for more possible solutions to problems, I came across the fact that you can add the necessary values to xorg.conf and it will work, but after searching the entire system, I did not found it.

GTS 450 have a DVI connector, but for some reason I when I’m plugging it in there is no video at all.

Is there any possible solution to add it or seems what Manjaro not for me?

2

please post the basic informations first. none of us can predict what your system and installed driver is. use the option “preformatted text” and paste the info of the command below inside.

sudo inxi --admin --verbosity=7 --filter --no-host --width

your driver must work properly. a lot of laptops can only use full capabilities of the external display only on dedicated gpu not the igpu. your adapter might not be able to support @75Hz and so forth.
a link to the setup of xorg.conf can be found here:
https://wiki.archlinux.org/title/Xorg.conf

3

Oh, my bad! Inxi printed me that:

System:
Kernel: 6.1.19-1-MANJARO arch: x86_64 bits: 64 compiler: gcc v: 12.2.1
parameters: BOOT_IMAGE=/boot/vmlinuz-6.1-x86_64
root=UUID=2e176e9d-aec8-450d-814e-955c331a233c rw quiet splash
udev.log_priority=3
Desktop: KDE Plasma v: 5.26.5 tk: Qt v: 5.15.8 wm: kwin_x11 dm: SDDM
Distro: Manjaro Linux base: Arch Linux
Machine:
Type: Desktop Mobo: FOXCONN model: G41MD v: 1.0 serial: N/A
BIOS: American Megatrends v: 080015 date: 11/26/2010
Battery:
Message: No system battery data found. Is one present?
Memory:
RAM: total: 3.83 GiB used: 1.04 GiB (27.2%)
Array-1: capacity: 4 GiB slots: 2 EC: None max-module-size: 4 GiB
Device-1: DIMM0 info: single-bank type: SDRAM detail: synchronous
size: 2 GiB speed: N/A volts: N/A width (bits): data: 64 total: 64
manufacturer: N/A part-no: N/A serial: N/A
Device-2: DIMM1 info: single-bank type: SDRAM detail: synchronous
size: 2 GiB speed: N/A volts: N/A width (bits): data: 64 total: 64
manufacturer: N/A part-no: N/A serial: N/A
CPU:
Info: model: Intel Core2 Duo E7500 socket: 775 bits: 64 type: MCP
arch: Penryn level: v1 built: 2008 process: Intel 45nm family: 6
model-id: 0x17 (23) stepping: 0xA (10) microcode: 0xA0B
Topology: cpus: 1x cores: 2 smt: cache: L1: 128 KiB
desc: d-2x32 KiB; i-2x32 KiB L2: 3 MiB desc: 1x3 MiB
Speed (MHz): avg: 2266 high: 2933 min/max: N/A base/boost: 2933/2933
volts: 1.3 V ext-clock: 267 MHz cores: 1: 2933 2: 1600 bogomips: 11737
Flags: acpi aperfmperf apic arch_perfmon bts clflush cmov constant_tsc
cpuid cx16 cx8 de ds_cpl dtes64 dtherm dts est flexpriority fpu fxsr ht
lahf_lm lm mca mce mmx monitor msr mtrr nopl nx pae pat pbe pdcm pebs pge
pni pse pse36 pti rep_good sep sse sse2 sse4_1 ssse3 syscall tm tm2
tpr_shadow tsc vme vmx vnmi vpid xsave xtpr
Vulnerabilities:
Type: itlb_multihit status: KVM: VMX disabled
Type: l1tf mitigation: PTE Inversion; VMX: EPT disabled
Type: mds status: Vulnerable: Clear CPU buffers attempted, no microcode;
SMT disabled
Type: meltdown mitigation: PTI
Type: mmio_stale_data status: Unknown: No mitigations
Type: retbleed status: Not affected
Type: spec_store_bypass status: Vulnerable
Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer
sanitization
Type: spectre_v2 mitigation: Retpolines, STIBP: disabled, RSB filling,
PBRSB-eIBRS: Not affected
Type: srbds status: Not affected
Type: tsx_async_abort status: Not affected
Graphics:
Device-1: NVIDIA GF116 [GeForce GTS 450 Rev. 2] driver: nvidia v: 390.157
alternate: nouveau,nvidia_drm non-free: series: 390.xx+ status: legacy-active
(EOL~late 2022) arch: Fermi code: GF1xx process: 40/28nm built: 2010-16
pcie: gen: 1 speed: 2.5 GT/s lanes: 16 bus-ID: 01:00.0 chip-ID: 10de:1245
class-ID: 0300
Display: x11 server: XOrg v: 21.1.7 compositor: kwin_x11 driver: X:
loaded: nvidia gpu: nvidia display-ID: :0 screens: 1
Screen-1: 0 s-res: 640x480 s-dpi: 75 s-size: 216x162mm (8.50x6.38")
s-diag: 270mm (10.63")
Monitor-1: DVI-I-0 res: 640x480 hz: 60 size: N/A modes: N/A
API: OpenGL v: 4.6.0 NVIDIA 390.157 renderer: GeForce GTS 450/PCIe/SSE2
direct-render: Yes
Audio:
Device-1: Intel NM10/ICH7 Family High Definition Audio vendor: Foxconn
driver: snd_hda_intel v: kernel bus-ID: 00:1b.0 chip-ID: 8086:27d8
class-ID: 0403
Device-2: NVIDIA GF116 High Definition Audio driver: snd_hda_intel
v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 16 bus-ID: 01:00.1
chip-ID: 10de:0bee class-ID: 0403
Sound API: ALSA v: k6.1.19-1-MANJARO running: yes
Sound Server-1: JACK v: 1.9.22 running: no
Sound Server-2: PulseAudio v: 16.1 running: yes
Sound Server-3: PipeWire v: 0.3.65 running: yes
Network:
Device-1: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet vendor: Foxconn
driver: atl1c v: kernel pcie: gen: 1 speed: 2.5 GT/s lanes: 1 port: ec00
bus-ID: 03:00.0 chip-ID: 1969:1083 class-ID: 0200
IF: enp3s0 state: down mac:
Device-2: Realtek RTL8188EUS 802.11n Wireless Network Adapter type: USB
driver: r8188eu bus-ID: 1-3:3 chip-ID: 0bda:8179 class-ID: 0000
serial:
IF: wlp0s29f7u3 state: down mac:
WAN IP: No WAN IP found. Connected to web? SSL issues? Try enabling dig
Bluetooth:
Message: No bluetooth data found.
Logical:
Message: No logical block device data found.
RAID:
Message: No RAID data found.
Drives:
Local Storage: total: 409.88 GiB used: 217.48 GiB (53.1%)
ID-1: /dev/sda maj-min: 8:0 model: SSD 120GB size: 111.79 GiB block-size:
physical: 512 B logical: 512 B sata: 3.0 speed: type: SSD
serial: rev: 3G5J temp: 48 C scheme: MBR
SMART: yes state: enabled health: PASSED on: 30d 19h cycles: 273
read: 840 KiB written: 532 KiB Old-Age: UDMA CRC errors: 334 Pre-Fail:
reallocated sector: 100 threshold: 10
ID-2: /dev/sdb maj-min: 8:16 vendor: Samsung model: HD322HJ
family: SpinPoint F1 DT size: 298.09 GiB block-size: physical: 512 B
logical: 512 B speed: type: N/A serial: rev: 1118
temp: 33 C scheme: MBR
SMART: yes state: enabled health: PASSED on: 3y 32d 13h cycles: 11348
Old-Age: UDMA CRC errors: 10437 alert: Bad cable/connection?
Message: No optical or floppy data found.
Partition:
ID-1: / raw-size: 55.89 GiB size: 54.71 GiB (97.89%) used: 8.86 GiB (16.2%)
fs: ext4 block-size: 4096 B dev: /dev/sda1 maj-min: 8:1 label: N/A
uuid: 2e176e9d-aec8-450d-814e-955c331a233c
ID-2: /run/media/pinksun/Data raw-size: 297.75 GiB
size: 297.75 GiB (100.00%) used: 208.61 GiB (70.1%) fs: ntfs
block-size: 4096 B dev: /dev/sdb2 maj-min: 8:18 label: Data
uuid: 5A92C1F192C1D1A5
Swap:
Alert: No swap data was found.
Unmounted:
ID-1: /dev/sda2 maj-min: 8:2 size: 350 MiB fs: ntfs
label: \xd0\x97\xd0\xb0\xd1\x80\xd0\xb5\xd0\xb7\xd0\xb5\xd1\x80\xd0\xb2\xd0\xb8\xd1\x80\xd0\xbe\xd0\xb2\xd0\xb0\xd0\xbd\xd0\xbe \xd1\x81\xd0\xb8\xd1\x81\xd1\x82\xd0\xb5\xd0\xbc\xd0\xbe\xd0\xb9
uuid: E69A02A19A026E7D
ID-2: /dev/sda3 maj-min: 8:3 size: 55.55 GiB fs: ntfs label: N/A
uuid: B8EA0BBFEA0B78C0
ID-3: /dev/sdb1 maj-min: 8:17 size: 350 MiB fs: ntfs
label: \xd0\x97\xd0\xb0\xd1\x80\xd0\xb5\xd0\xb7\xd0\xb5\xd1\x80\xd0\xb2\xd0\xb8\xd1\x80\xd0\xbe\xd0\xb2\xd0\xb0\xd0\xbd\xd0\xbe \xd1\x81\xd0\xb8\xd1\x81\xd1\x82\xd0\xb5\xd0\xbc\xd0\xbe\xd0\xb9
uuid: A62ED2EF2ED2B80F
USB:
Hub-1: 1-0:1 info: Full speed or root hub ports: 8 rev: 2.0 speed: 480 Mb/s
chip-ID: 1d6b:0002 class-ID: 0900
Device-1: 1-3:3 info: Realtek RTL8188EUS 802.11n Wireless Network Adapter
type: Network driver: r8188eu interfaces: 1 rev: 2.0 speed: 480 Mb/s
power: 500mA chip-ID: 0bda:8179 class-ID: 0000 serial:
Hub-2: 2-0:1 info: Full speed or root hub ports: 2 rev: 1.1 speed: 12 Mb/s
chip-ID: 1d6b:0001 class-ID: 0900
Device-1: 2-1:2 info: Pixart Imaging Optical Mouse type: Mouse
driver: hid-generic,usbhid interfaces: 1 rev: 1.1 speed: 1.5 Mb/s
power: 100mA chip-ID: 093a:2510 class-ID: 0301
Hub-3: 3-0:1 info: Full speed or root hub ports: 2 rev: 1.1 speed: 12 Mb/s
chip-ID: 1d6b:0001 class-ID: 0900
Hub-4: 4-0:1 info: Full speed or root hub ports: 2 rev: 1.1 speed: 12 Mb/s
chip-ID: 1d6b:0001 class-ID: 0900
Hub-5: 5-0:1 info: Full speed or root hub ports: 2 rev: 1.1 speed: 12 Mb/s
chip-ID: 1d6b:0001 class-ID: 0900
Sensors:
System Temperatures: cpu: 43.0 C mobo: N/A gpu: nvidia temp: 51 C
Fan Speeds (RPM): N/A gpu: nvidia fan: 30%
Info:
Processes: 161 Uptime: 1m wakeups: 0 Init: systemd v: 252 default: graphical
tool: systemctl Compilers: gcc: 12.2.1 clang: 15.0.7 Packages: pm: pacman
pkgs: 1109 libs: 317 tools: pamac pm: flatpak pkgs: 0 Shell: Zsh (sudo)
v: 5.9 default: Bash v: 5.1.16 running-in: konsole inxi: 3.3.25

And yeah, I didn’t knew that xorg.conf must be installed manually. Thanks! <3