Change display setting, getting a black screen after that

I have a new monitor, capable of 100hz refreshrate . on X11 when I change freshrate to 100hz, it turn black, I solved it with deleting the file on kscreen folder. It only works on 85 hz.
on wayland, I can change the freshrate to 100hz and I like it. but when I change the other setting (I forgot what it was, maybe some color accuracy of something). it turn black, I try to delete file on kscreen like I did on X11 but it doesnt work. so my question is, how to reset the display setting on wayland?. it turn black after loggin in.

here is my PC Spec

inxi -zv8
System:
  Kernel: 6.12.21-4-MANJARO arch: x86_64 bits: 64 compiler: gcc
    v: 14.2.1 clocksource: tsc avail: hpet,acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.12-x86_64
    root=UUID=2877297e-7adb-487c-b329-64965ce0500a rw quiet apparmor=1
    security=apparmor udev.log_priority=3
  Desktop: KDE Plasma v: 6.3.4 tk: Qt v: N/A info: frameworks
    v: 6.12.0 wm: kwin_x11 vt: 2 dm: SDDM Distro: Manjaro base: Arch Linux
Machine:
  Type: Desktop Mobo: ECS model: H81H3-M4 v: 1.0
    serial: <superuser required> uuid: <superuser required>
    BIOS: American Megatrends v: 4.6.5 date: 05/21/2015
Battery:
  Message: No system battery data found. Is one present?
Memory:
  System RAM: total: 16 GiB available: 15.55 GiB used: 4.11 GiB (26.4%)
  Message: For most reliable report, use superuser + dmidecode.
  Array-1: capacity: 16 GiB slots: 2 modules: 2 EC: None
    max-module-size: 8 GiB note: est.
  Device-1: ChannelA-DIMM1 type: DDR3 detail: synchronous size: 8 GiB
    speed: spec: 1600 MT/s actual: 1333 MT/s volts: curr: 2 min: 2 max: 2
    width (bits): data: 64 total: 64 manufacturer: Corsair
    part-no: CMZ16GX3M2A1600C9 serial: N/A
  Device-2: ChannelB-DIMM1 type: DDR3 detail: synchronous size: 8 GiB
    speed: spec: 1600 MT/s actual: 1333 MT/s volts: curr: 2 min: 2 max: 2
    width (bits): data: 64 total: 64 manufacturer: Corsair
    part-no: CMZ16GX3M2A1600C9 serial: N/A
PCI Slots:
  Permissions: Unable to run dmidecode. Root privileges required.
CPU:
  Info: model: Intel Core i3-4160 bits: 64 type: MT MCP arch: Haswell
    gen: core 4 level: v3 note: check built: 2013-15 process: Intel 22nm
    family: 6 model-id: 0x3C (60) stepping: 3 microcode: 0x28
  Topology: cpus: 1x dies: 1 clusters: 2 cores: 2 threads: 4 tpc: 2
    smt: enabled cache: L1: 128 KiB desc: d-2x32 KiB; i-2x32 KiB
    L2: 512 KiB desc: 2x256 KiB L3: 3 MiB desc: 1x3 MiB
  Speed (MHz): avg: 800 min/max: 800/3600 scaling:
    driver: intel_cpufreq governor: schedutil cores: 1: 800 2: 800 3: 800
    4: 800 bogomips: 28743
  Flags: abm acpi aes aperfmperf apic arat arch_perfmon avx avx2 bmi1
    bmi2 bts clflush cmov constant_tsc cpuid cpuid_fault cx16 cx8 de
    ds_cpl dtes64 dtherm dts epb ept ept_ad erms est f16c flexpriority
    flush_l1d fma fpu fsgsbase fxsr ht ibpb ibrs invpcid lahf_lm lm mca
    mce md_clear mmx monitor movbe msr mtrr nonstop_tsc nopl nx pae pat
    pbe pcid pclmulqdq pdcm pdpe1gb pebs pge pln pni popcnt pse pse36
    pti pts rdrand rdtscp rep_good sdbg sep smep ss ssbd sse sse2
    sse4_1 sse4_2 ssse3 stibp syscall tm tm2 tpr_shadow tsc tsc_adjust
    tsc_deadline_timer vme vmx vnmi vpid xsave xsaveopt xtopology xtpr
  Vulnerabilities:
  Type: gather_data_sampling status: Not affected
  Type: itlb_multihit status: KVM: Split huge pages
  Type: l1tf mitigation: PTE Inversion; VMX: conditional cache
    flushes, SMT vulnerable
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable
  Type: meltdown mitigation: PTI
  Type: mmio_stale_data status: Unknown: No mitigations
  Type: reg_file_data_sampling status: Not affected
  Type: retbleed status: Not affected
  Type: spec_rstack_overflow status: Not affected
  Type: spec_store_bypass mitigation: Speculative Store Bypass
    disabled via prctl
  Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user
    pointer sanitization
  Type: spectre_v2 mitigation: Retpolines; IBPB: conditional;
    IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not
    affected; BHI: Not affected
  Type: srbds mitigation: Microcode
  Type: tsx_async_abort status: Not affected
Graphics:
  Device-1: Advanced Micro Devices [AMD/ATI] Lexa PRO [Radeon
    540/540X/550/550X / RX 540X/550/550X] vendor: Micro-Star MSI
    driver: amdgpu v: kernel arch: GCN-4 code: Arctic Islands
    process: GF 14nm built: 2016-20 pcie: gen: 2 speed: 5 GT/s lanes: 8
    link-max: gen: 3 speed: 8 GT/s ports: active: HDMI-A-1
    empty: DP-1,DVI-D-1 bus-ID: 01:00.0 chip-ID: 1002:699f
    class-ID: 0300 temp: 37.0 C
  Display: x11 server: X.Org v: 21.1.16 with: Xwayland v: 24.1.6
    compositor: kwin_x11 driver: X: loaded: amdgpu unloaded: modesetting
    alternate: fbdev,vesa dri: radeonsi gpu: amdgpu display-ID: :0
    screens: 1
  Screen-1: 0 s-res: 1920x1080 s-dpi: 96
    s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93")
  Monitor-1: HDMI-A-1 mapped: HDMI-A-0 model: MSI MP223 E2
    serial: <filter> built: 2024 res: N/A dpi: 102 gamma: 1.2 chroma: red:
    x: 0.655 y: 0.329 green: x: 0.333 y: 0.600 blue: x: 0.149 y: 0.051
    white: x: 0.314 y: 0.329 size: 476x268mm (18.74x10.55")
    diag: 546mm (21.5") ratio: 16:9 modes: 1920x1080, 1680x1050,
    1280x1024, 1440x900, 1280x800, 1280x720, 1024x768, 800x600,
    720x576, 720x480, 640x480, 720x400
  API: EGL v: 1.5 hw: drv: amd radeonsi platforms: device: 0
    drv: radeonsi device: 1 drv: swrast gbm: drv: kms_swrast surfaceless:
    drv: radeonsi x11: drv: radeonsi inactive: wayland
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: amd mesa v: 25.0.3-arch1.1
    glx-v: 1.4 direct-render: yes renderer: AMD Radeon RX 550 / 550
    Series (radeonsi polaris12 ACO DRM 3.61 6.12.21-4-MANJARO)
    device-ID: 1002:699f memory: 1.95 GiB unified: no
  API: Vulkan v: 1.4.309 layers: 4 device: 0 type: discrete-gpu
    name: AMD Radeon RX 550 / 550 Series (RADV POLARIS12)
    driver: mesa radv v: 25.0.3-arch1.1 device-ID: 1002:699f
    surfaces: xcb,xlib
  Info: Tools: api: clinfo, eglinfo, glxinfo, vulkaninfo
    de: kscreen-console,kscreen-doctor wl: wayland-info
    x11: xdpyinfo, xprop, xrandr
Audio:
  Device-1: Intel 8 Series/C220 Series High Definition Audio
    vendor: Elite Systems driver: snd_hda_intel v: kernel bus-ID: 00:1b.0
    chip-ID: 8086:8c20 class-ID: 0403
  Device-2: Advanced Micro Devices [AMD/ATI] Baffin HDMI/DP Audio
    [Radeon RX 550 640SP / 560/560X] vendor: Micro-Star MSI
    driver: snd_hda_intel v: kernel pcie: gen: 2 speed: 5 GT/s lanes: 8
    link-max: gen: 3 speed: 8 GT/s bus-ID: 01:00.1 chip-ID: 1002:aae0
    class-ID: 0403
  API: ALSA v: k6.12.21-4-MANJARO status: kernel-api with: aoss
    type: oss-emulator tools: alsactl,alsamixer,amixer
  Server-1: sndiod v: N/A status: off tools: aucat,midicat,sndioctl
  Server-2: EsounD v: 0.2.41 status: off tools: esdcat,esdctl,esddsp
  Server-3: JACK v: 1.9.22 status: off tools: N/A
  Server-4: PipeWire v: 1.4.1 status: off with: pipewire-media-session
    status: active tools: pw-cli
  Server-5: PulseAudio v: 17.0-43-g3e2bb status: active with:
    1: pulseaudio-alsa type: plugin 2: pulseaudio-jack type: module
    tools: pacat,pactl,pavucontrol
Network:
  Device-1: Realtek RTL8111/8168/8211/8411 PCI Express Gigabit Ethernet
    vendor: Elite Systems driver: r8169 v: kernel pcie: gen: 1
    speed: 2.5 GT/s lanes: 1 port: d000 bus-ID: 03:00.0
    chip-ID: 10ec:8168 class-ID: 0200
  IF: enp3s0 state: up speed: 1000 Mbps duplex: full mac: <filter>
  IP v4: <filter> type: dynamic noprefixroute scope: global
    broadcast: <filter>
  IP v6: <filter> type: dynamic noprefixroute scope: global
  IP v6: <filter> type: noprefixroute scope: link
  Info: services: NetworkManager,systemd-timesyncd
  WAN IP: <filter>
Bluetooth:
  Message: No bluetooth data found.
Logical:
  Message: No logical block device data found.
RAID:
  Message: No RAID data found.
Drives:
  Local Storage: total: 232.89 GiB used: 200.83 GiB (86.2%)
  SMART Message: Unable to run smartctl. Root privileges required.
  ID-1: /dev/sda maj-min: 8:0 vendor: Samsung model: SSD 860 EVO 250GB
    size: 232.89 GiB block-size: physical: 512 B logical: 512 B
    speed: 6.0 Gb/s tech: SSD serial: <filter> fw-rev: 3B6Q scheme: MBR
  Message: No optical or floppy data found.
Partition:
  ID-1: / raw-size: 224.08 GiB size: 219.51 GiB (97.96%)
    used: 200.83 GiB (91.5%) fs: ext4 dev: /dev/sda1 maj-min: 8:1
    label: N/A uuid: 2877297e-7adb-487c-b329-64965ce0500a
Swap:
  Alert: No swap data was found.
Unmounted:
  ID-1: /dev/sda2 maj-min: 8:2 size: 8.8 GiB fs: swap label: N/A
    uuid: d2e937b2-4017-4da0-b142-f768bf4f6d3c
USB:
  Hub-1: 1-0:1 info: hi-speed hub with single TT ports: 10 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Device-1: 1-9:2 info: USB OPTICAL MOUSE type: mouse
    driver: hid-generic,usbhid interfaces: 1 rev: 1.1
    speed: 1.5 Mb/s (183 KiB/s) lanes: 1 mode: 1.0 power: 100mA
    chip-ID: 30fa:0300 class-ID: 0301
  Device-2: 1-10:3 info: Corsair K65 RGB MINI 60% Mechanical Gaming
    Keyboard type: keyboard,HID driver: hid-generic,usbhid interfaces: 3
    rev: 2.0 speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0
    power: 500mA chip-ID: 1b1c:1baf class-ID: 0300 serial: <filter>
  Hub-2: 2-0:1 info: super-speed hub ports: 2 rev: 3.0
    speed: 5 Gb/s (596.0 MiB/s) lanes: 1 mode: 3.2 gen-1x1
    chip-ID: 1d6b:0003 class-ID: 0900
  Hub-3: 3-0:1 info: full speed or root hub ports: 2 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-4: 3-1:2 info: Intel Integrated Rate Matching Hub ports: 6
    rev: 2.0 speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0
    chip-ID: 8087:8000 class-ID: 0900
  Hub-5: 4-0:1 info: full speed or root hub ports: 2 rev: 2.0
    speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0 chip-ID: 1d6b:0002
    class-ID: 0900
  Hub-6: 4-1:2 info: Intel Integrated Rate Matching Hub ports: 4
    rev: 2.0 speed: 480 Mb/s (57.2 MiB/s) lanes: 1 mode: 2.0
    chip-ID: 8087:8008 class-ID: 0900
Sensors:
  System Temperatures: cpu: 43.0 C mobo: N/A gpu: amdgpu temp: 37.0 C
  Fan Speeds (rpm): N/A gpu: amdgpu fan: 1216
Repos:
  Packages: 2130 pm: pacman pkgs: 2115 libs: 555 tools: pamac,yay
    pm: flatpak pkgs: 6 pm: snap pkgs: 9
  Active pacman repo servers in: /etc/pacman.d/mirrorlist
    1: https://manjaro.mirrors.lavatech.top/stable/$repo/$arch
    2: http://ftp.snt.utwente.nl/pub/linux/manjaro/stable/$repo/$arch
    3: https://mirror.xenyth.net/manjaro/stable/$repo/$arch
    4: https://mirror.phoepsilonix.love/manjaro/stable/$repo/$arch
    5: https://mirror.dkm.cz/manjaro/stable/$repo/$arch
    6: https://mirror.ufam.edu.br/manjaro/stable/$repo/$arch
    7: https://manjaro.c3sl.ufpr.br/stable/$repo/$arch
Processes:
  CPU top: 5 of 262
  1: cpu: 5.2% command: chrome pid: 2890 mem: 536.1 MiB (3.3%)
  2: cpu: 4.6% command: brave pid: 2555 mem: 381.5 MiB (2.3%)
  3: cpu: 4.1% command: chrome pid: 2943 mem: 267.3 MiB (1.6%)
  4: cpu: 4.1% command: chrome pid: 5777 mem: 219.7 MiB (1.3%)
  5: cpu: 3.3% command: chrome pid: 3054 mem: 429.3 MiB (2.6%)
  Memory top: 5 of 262
  1: mem: 536.1 MiB (3.3%) command: chrome pid: 2890 cpu: 5.2%
  2: mem: 429.3 MiB (2.6%) command: chrome pid: 3054 cpu: 3.3%
  3: mem: 414.0 MiB (2.5%) command: brave pid: 2444 cpu: 0.8%
  4: mem: 413.1 MiB (2.5%) command: plasmashell pid: 1341 cpu: 0.5%
  5: mem: 381.5 MiB (2.3%) command: brave pid: 2555 cpu: 4.6%
Info:
  Processes: 262 Power: uptime: 43m states: freeze,mem,disk
    suspend: deep avail: s2idle wakeups: 0 hibernate: platform
    avail: shutdown, reboot, suspend, test_resume image: 6.2 GiB
    services: org_kde_powerdevil,upowerd Init: systemd v: 257
    default: graphical tool: systemctl
  Compilers: clang: 19.1.7 gcc: 14.2.1 Shell: Zsh v: 5.9 default: Bash
    v: 5.2.37 running-in: konsole inxi: 3.3.38

Mod edit: Added inxi output that was provided in original Pastebin link

What kind of monitor do you have?

x also saves monitor-relevant things in xorg.conf
There will still be data from the old monitor in there

I have MSI PRO MP223 BUSINESS PRODUCTIVITY MONITOR [1080p, 100Hz] - MP223 E2.,

I cant find the xorg.conf on my pc., is xorg.conf store data from X11 session?

now I can enter X11., but wayland still blank after login.,

I’m slightly stumped.
You have already deleted the files under .local/share/kscreen/. There is one in every subfolder.
You could test this here.

https://wiki.archlinux.org/title/SDDM#Wayland

solved., I use display port cable to replace HDMI., and it just work.,

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