Hello,
My monitor started to give strips and streak when scrolling down a web page and especially when I change windows with Alt + Tab.
Booting from a USB does not do that.
https://mega.nz/file/QAcjQAJT#xqW__9VbhBTplFxlqGVajUlgZTpV0UIqWm4goAtTpmA
Please, help.
Welcome to Manjaro!
to give us more information so we can see what’s really going on.
inxi --admin --verbosity=7 --filter --no-host --width would be the minimum required information for us to be able to help you. (Personally Identifiable Information like serial numbers and MAC addresses will be filtered out by the above command)
P.S. If you want to notify me that you did provide this information, please 
this message and I’ll come back and have another look.
P.P.S. Please also read this:
because I can’t see the screenshot (or whatever it is) that you posted…
https://mega.nz/file/QAcjQAJT#xqW__9VbhBTplFxlqGVajUlgZTpV0UIqWm4goAtTpmA
The output to inxi --admin --verbosity=7 --filter --no-host --width is:
System:
Kernel: 5.12.19-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0
parameters: BOOT_IMAGE=/boot/vmlinuz-5.12-x86_64
root=UUID=91ed5b1f-9ff6-494a-bee0-a3bf588682de rw quiet apparmor=1
security=apparmor udev.log_priority=3
Desktop: Cinnamon 5.0.5 tk: GTK 3.24.30 vt: 7 dm: LightDM 1.30.0
Distro: Manjaro Linux base: Arch Linux
Machine:
Type: Desktop Mobo: ASUSTeK model: ROG MAXIMUS X HERO v: Rev 1.xx
serial: <filter> UEFI: American Megatrends v: 2203 date: 10/07/2019
Battery:
Device-1: hidpp_battery_0 model: Logitech MX Keys Wireless Keyboard
serial: <filter> charge: 55% (should be ignored) rechargeable: yes
status: Discharging
Device-2: hidpp_battery_1 model: Logitech Wireless Mouse MX Master 3
serial: <filter> charge: 100% (should be ignored) rechargeable: yes
status: Discharging
Memory:
RAM: total: 62.67 GiB used: 3.01 GiB (4.8%)
RAM Report: permissions: Unable to run dmidecode. Root privileges required.
CPU:
Info: 6-Core model: Intel Core i7-8700K bits: 64 type: MT MCP
arch: Kaby Lake note: check family: 6 model-id: 9E (158) stepping: A (10)
microcode: EA cache: L2: 12 MiB bogomips: 88824
Speed: 800 MHz min/max: 800/4700 MHz Core speeds (MHz): 1: 800 2: 1629
3: 1099 4: 800 5: 1194 6: 800 7: 800 8: 800 9: 800 10: 800 11: 800 12: 1020
Flags: 3dnowprefetch abm acpi adx aes aperfmperf apic arat arch_perfmon art
avx avx2 bmi1 bmi2 bts clflush clflushopt 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 hle ht hwp hwp_act_window
hwp_epp hwp_notify ibpb ibrs ida intel_pt invpcid invpcid_single lahf_lm lm
mca mce md_clear mmx monitor movbe mpx msr mtrr nonstop_tsc nopl nx pae pat
pbe pcid pclmulqdq pdcm pdpe1gb pebs pge pln pni popcnt pse pse36 pti pts
rdrand rdseed rdtscp rep_good rtm sdbg sep smap smep smx 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 x2apic xgetbv1 xsave xsavec xsaveopt
xsaves xtopology xtpr
Vulnerabilities: Type: itlb_multihit status: KVM: VMX disabled
Type: l1tf
mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable
Type: mds mitigation: Clear CPU buffers; SMT vulnerable
Type: meltdown mitigation: PTI
Type: spec_store_bypass
mitigation: Speculative Store Bypass disabled via prctl and seccomp
Type: spectre_v1
mitigation: usercopy/swapgs barriers and __user pointer sanitization
Type: spectre_v2 mitigation: Full generic retpoline, IBPB: conditional,
IBRS_FW, STIBP: conditional, RSB filling
Type: srbds mitigation: Microcode
Type: tsx_async_abort mitigation: Clear CPU buffers; SMT vulnerable
Graphics:
Device-1: Intel CometLake-S GT2 [UHD Graphics 630] vendor: ASUSTeK
driver: i915 v: kernel bus-ID: 00:02.0 chip-ID: 8086:3e92 class-ID: 0300
Display: x11 server: X.Org 1.20.13 driver: loaded: modesetting
alternate: fbdev,vesa display-ID: :0 screens: 1
Screen-1: 0 s-res: 2560x1440 s-dpi: 96 s-size: 677x381mm (26.7x15.0")
s-diag: 777mm (30.6")
Monitor-1: HDMI-2 res: 2560x1440 hz: 60 dpi: 109
size: 597x336mm (23.5x13.2") diag: 685mm (27")
OpenGL: renderer: Mesa Intel UHD Graphics 630 (CFL GT2) v: 4.6 Mesa 21.2.1
direct render: Yes
Audio:
Device-1: Intel 200 Series PCH HD Audio vendor: ASUSTeK
driver: snd_hda_intel v: kernel bus-ID: 00:1f.3 chip-ID: 8086:a2f0
class-ID: 0403
Sound Server-1: ALSA v: k5.12.19-1-MANJARO running: yes
Sound Server-2: sndio v: N/A running: no
Sound Server-3: JACK v: 1.9.19 running: no
Sound Server-4: PulseAudio v: 15.0 running: yes
Sound Server-5: PipeWire v: 0.3.33 running: yes
Network:
Device-1: Intel Ethernet I219-V vendor: ASUSTeK driver: e1000e v: kernel
port: f040 bus-ID: 00:1f.6 chip-ID: 8086:15b8 class-ID: 0200
IF: enp0s31f6 state: up speed: 100 Mbps duplex: full mac: <filter>
IP v4: <filter> type: dynamic noprefixroute scope: global
broadcast: <filter>
IP v6: <filter> type: noprefixroute scope: link
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: 9.1 TiB used: 8.31 TiB (91.4%)
SMART Message: Required tool smartctl not installed. Check --recommends
ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Samsung model: SSD 960 EVO 1TB
size: 931.51 GiB block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s
lanes: 4 type: SSD serial: <filter> rev: 3B7QCXE7 temp: 33.9 C scheme: GPT
ID-2: /dev/sda maj-min: 8:0 vendor: Toshiba model: HDWD130 size: 2.73 TiB
block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s type: HDD
rpm: 7200 serial: <filter> rev: ACF0 scheme: GPT
ID-3: /dev/sdb maj-min: 8:16 type: USB vendor: Western Digital
model: WD20NPVX-00EA4T0 size: 1.82 TiB block-size: physical: 512 B
logical: 512 B type: HDD rpm: 5200 serial: <filter> scheme: MBR
ID-4: /dev/sdc maj-min: 8:32 type: USB vendor: Western Digital
model: WD20NPVX-00EA4T0 size: 1.82 TiB block-size: physical: 512 B
logical: 512 B type: HDD rpm: 5200 serial: <filter>
ID-5: /dev/sdd maj-min: 8:48 type: USB vendor: Western Digital
model: WD20NPVX-00EA4T0 size: 1.82 TiB block-size: physical: 512 B
logical: 512 B type: HDD rpm: 5200 serial: <filter> scheme: MBR
Message: No optical or floppy data found.
Partition:
ID-1: / raw-size: 48.93 GiB size: 47.86 GiB (97.81%) used: 26.46 GiB (55.3%)
fs: ext4 dev: /dev/nvme0n1p1 maj-min: 259:1 label: N/A
uuid: 91ed5b1f-9ff6-494a-bee0-a3bf588682de
ID-2: /boot/efi raw-size: 200 MiB size: 196.9 MiB (98.45%)
used: 282 KiB (0.1%) fs: vfat dev: /dev/nvme0n1p2 maj-min: 259:2
label: NO_LABEL uuid: F6F5-4E99
ID-3: /home raw-size: 97.66 GiB size: 95.56 GiB (97.86%)
used: 73.2 GiB (76.6%) fs: ext4 dev: /dev/nvme0n1p3 maj-min: 259:3
label: N/A uuid: 2d42d6fc-0e63-47b0-97bd-87dad0185ce2
ID-4: /mnt/5c5a6aa0-c11d-489e-b79b-1474ff2a80a1 raw-size: 784.73 GiB
size: 771.42 GiB (98.30%) used: 653.99 GiB (84.8%) fs: ext4
dev: /dev/nvme0n1p4 maj-min: 259:4 label: N/A
uuid: 5c5a6aa0-c11d-489e-b79b-1474ff2a80a1
ID-5: /mnt/716ff601-4cbf-4c10-9eea-f0f1e6e791f4 raw-size: 2.73 TiB
size: 2.69 TiB (98.40%) used: 2.43 TiB (90.4%) fs: ext4 dev: /dev/sda1
maj-min: 8:1 label: N/A uuid: 716ff601-4cbf-4c10-9eea-f0f1e6e791f4
ID-6: /run/media/jojo/Films_1 raw-size: 1.82 TiB size: 1.82 TiB (100.00%)
used: 1.71 TiB (94.2%) fs: ntfs dev: /dev/sdd1 maj-min: 8:49 label: Films_1
uuid: 1C8704DB47A2EFA5
ID-7: /run/media/jojo/Films_2 raw-size: 1.82 TiB size: 1.82 TiB (100.00%)
used: 1.62 TiB (88.9%) fs: ntfs dev: /dev/sdc1 maj-min: 8:33 label: Films_2
uuid: 28BEB2EFBEB2B4A2
ID-8: /run/media/jojo/MUSIC raw-size: 1.82 TiB size: 1.82 TiB (100.00%)
used: 1.82 TiB (100.0%) fs: ntfs dev: /dev/sdb1 maj-min: 8:17 label: MUSIC
uuid: 01D2E22AF6AD1DD0
Swap:
Alert: No swap data was found.
Unmounted:
Message: No unmounted partitions found.
USB:
Hub-1: 1-0:1 info: Full speed (or root) Hub ports: 16 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Device-1: 1-1:2 info: Logitech Unifying Receiver type: Keyboard,Mouse,HID
driver: logitech-djreceiver,usbhid interfaces: 3 rev: 2.0 speed: 12 Mb/s
power: 98mA chip-ID: 046d:c52b class-ID: 0300
Hub-2: 1-7:3 info: Genesys Logic Hub ports: 4 rev: 2.0 speed: 480 Mb/s
power: 100mA chip-ID: 05e3:0610 class-ID: 0900
Device-1: 1-7.1:5 info: ASMedia ASM1051 SATA 3Gb/s bridge type: Mass Storage
driver: usb-storage interfaces: 1 rev: 2.1 speed: 480 Mb/s
chip-ID: 174c:5106 class-ID: 0806 serial: <filter>
Device-2: 1-7.2:6 info: ASMedia ASM1051 SATA 3Gb/s bridge type: Mass Storage
driver: usb-storage interfaces: 1 rev: 2.1 speed: 480 Mb/s
chip-ID: 174c:5106 class-ID: 0806 serial: <filter>
Device-3: 1-7.3:7 info: ASMedia ASM1051 SATA 3Gb/s bridge type: Mass Storage
driver: usb-storage interfaces: 1 rev: 2.1 speed: 480 Mb/s
chip-ID: 174c:5106 class-ID: 0806 serial: <filter>
Device-4: 1-14:4 info: ASUSTek AURA LED Controller type: HID
driver: hid-generic,usbhid interfaces: 1 rev: 2.0 speed: 12 Mb/s
power: 100mA chip-ID: 0b05:1872 class-ID: 0300 serial: <filter>
Hub-3: 2-0:1 info: Full speed (or root) Hub ports: 10 rev: 3.0 speed: 5 Gb/s
chip-ID: 1d6b:0003 class-ID: 0900
Hub-4: 3-0:1 info: Full speed (or root) Hub ports: 2 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Hub-5: 4-0:1 info: Full speed (or root) Hub ports: 2 rev: 3.1 speed: 10 Gb/s
chip-ID: 1d6b:0003 class-ID: 0900
Hub-6: 5-0:1 info: Full speed (or root) Hub ports: 2 rev: 2.0
speed: 480 Mb/s chip-ID: 1d6b:0002 class-ID: 0900
Hub-7: 6-0:1 info: Full speed (or root) Hub ports: 2 rev: 3.1 speed: 10 Gb/s
chip-ID: 1d6b:0003 class-ID: 0900
Sensors:
System Temperatures: cpu: 33.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info:
Processes: 311 Uptime: 13m wakeups: 18 Init: systemd v: 248 tool: systemctl
Compilers: gcc: 11.1.0 clang: 12.0.1 Packages: 1790 pacman: 1786 lib: 451
flatpak: 4 Shell: Bash v: 5.1.8 running-in: gnome-terminal inxi: 3.3.06
In the future, when providing code/output, please copy-paste that output in-between 3 backticks ``` at the beginning and end of the code/text so that the output looks like this:
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
instead of like this:
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.`
(as that makes both our lives much easier)
No need to do anything right now as I’m a moderator here on this site and have fixed it for you already. However, in the future I might not see your post so review my RAW edits by pushing the orange pencil in the upper right corner of the post I just fixed. 
Kernel 5.12 is EOL so please install both 5.4 and 5.10 LTS (Long Term Support) and see which one of the two troubles you least.
If the above doesn’t help, what are the contents of your /etc/X11/xorg.conf.d/90-mhwd.conf file, please?
Unrelated to your problem, but please read this
I went as far back as kernel 4.14 and the problem disappeared.
The mhwd.conf file is empty.
Well that kernel is still being updated, so if you have no issues, you can keep using it.
You can also try kernel 5.13 to see if it goes away as well. You were using 5.12, which is EOL. 5.14 should be on Manjaro soon as well, as it just got officially released.
I had been using kernel 5.13 since its official release on Manjaro. I had no problems until a few days ago. I tried every kernel down except for 4.19 which I do not have installed and 4.14 solved my issue.
Nevertheless, I am curious to know, though little as I do, the reason for the trouble.
Thank you for the help!
It’s probably a regression bug. Keep both 4.14, 5.4 and 5.10 installed
At the next update when the kernels get updated try 5.10 again.
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I have been using Cinnamon with rendering software. When I switched to Cinnamon default, there is no such problem.
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