Second monitor suddenly flickering

I did not upgrade the system, however, from one day to the other, my second monitor started flickering. I searched on the forum and online, however, I don’t seem to find a solution. Is anyone please willing to help?
Thanks in advance.

inxi -Fxza --no-host
System:    Kernel: 4.19.177-1-MANJARO x86_64 bits: 64 compiler: gcc v: 10.2.1 
           parameters: BOOT_IMAGE=/boot/vmlinuz-4.19-x86_64 root=UUID=0ef230ce-dc9d-47eb-a306-5291576e057c rw quiet splash 
           Desktop: KDE Plasma 5.21.2 tk: Qt 5.15.2 wm: kwin_x11 dm: SDDM Distro: Manjaro Linux 
Machine:   Type: Laptop System: Micro-Star product: PS42 8RB v: REV:0.B serial: <filter> 
           Mobo: Micro-Star model: MS-14B1 v: REV:1.0 serial: <filter> UEFI: American Megatrends v: E14B1IMS.109 
           date: 06/20/2018 
Battery:   ID-1: BAT1 charge: 31.2 Wh condition: 32.3/50.0 Wh (65%) volts: 16.0/15.2 model: BIF0_9 type: Li-ion serial: N/A 
           status: Unknown 
CPU:       Info: Quad Core model: Intel Core i7-8550U bits: 64 type: MT MCP arch: Kaby Lake note: check family: 6 
           model-id: 8E (142) stepping: A (10) microcode: E0 L2 cache: 8 MiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 31872 
           Speed: 800 MHz min/max: 400/4000 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800 5: 794 6: 799 7: 800 8: 780 
           Vulnerabilities: 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: 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 status: Not affected 
Graphics:  Device-1: Intel UHD Graphics 620 vendor: Micro-Star MSI driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:5917 
           class ID: 0300 
           Device-2: NVIDIA GP108M [GeForce MX150] vendor: Micro-Star MSI driver: N/A alternate: nouveau bus ID: 03:00.0 
           chip ID: 10de:1d10 class ID: 0302 
           Display: x11 server: X.Org 1.20.10 compositor: kwin_x11 driver: loaded: intel unloaded: modesetting 
           alternate: fbdev,vesa display ID: :0 screens: 1 
           Screen-1: 0 s-res: 3840x1080 s-dpi: 96 s-size: 1013x285mm (39.9x11.2") s-diag: 1052mm (41.4") 
           Monitor-1: eDP1 res: 1920x1080 hz: 60 dpi: 157 size: 310x170mm (12.2x6.7") diag: 354mm (13.9") 
           Monitor-2: HDMI1 res: 1920x1080 hz: 60 dpi: 94 size: 520x290mm (20.5x11.4") diag: 595mm (23.4") 
           OpenGL: renderer: Mesa Intel UHD Graphics 620 (KBL GT2) v: 4.6 Mesa 20.3.4 direct render: Yes 
Audio:     Device-1: Intel Sunrise Point-LP HD Audio vendor: Micro-Star MSI driver: snd_hda_intel v: kernel 
           alternate: snd_soc_skl bus ID: 00:1f.3 chip ID: 8086:9d71 class ID: 0403 
           Sound Server: ALSA v: k4.19.177-1-MANJARO 
Network:   Device-1: Intel Dual Band Wireless-AC 3168NGW [Stone Peak] driver: iwlwifi v: kernel port: f040 bus ID: 02:00.0 
           chip ID: 8086:24fb class ID: 0280 
           IF: wlp2s0 state: up mac: <filter> 
Bluetooth: Device-1: Intel Wireless-AC 3168 Bluetooth type: USB driver: btusb v: 0.8 bus ID: 1-5:2 chip ID: 8087:0aa7 
           class ID: e001 
           Message: Required tool hciconfig not installed. Check --recommends 
Drives:    Local Storage: total: 238.47 GiB used: 46.63 GiB (19.6%) 
           SMART Message: Unable to run smartctl. Root privileges required. 
           ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: Samsung model: MZVLW256HEHP-00000 size: 238.47 GiB block size: 
           physical: 512 B logical: 512 B speed: 31.6 Gb/s lanes: 4 rotation: SSD serial: <filter> rev: CXB7401Q scheme: GPT 
Partition: ID-1: / raw size: 75 GiB size: 73.57 GiB (98.10%) used: 46.6 GiB (63.3%) fs: ext4 dev: /dev/nvme0n1p7 
           maj-min: 259:7 
           ID-2: /boot/efi raw size: 300 MiB size: 296 MiB (98.67%) used: 25.5 MiB (8.6%) fs: vfat dev: /dev/nvme0n1p1 
           maj-min: 259:1 
Swap:      Alert: No Swap data was found. 
Sensors:   System Temperatures: cpu: 62.0 C mobo: 27.8 C 
           Fan Speeds (RPM): N/A 
Info:      Processes: 207 Uptime: 6h 14m wakeups: 2 Memory: 15.54 GiB used: 4.4 GiB (28.3%) Init: systemd v: 247 Compilers: 
           gcc: 10.2.0 clang: 11.1.0 Packages: pacman: 1427 lib: 419 flatpak: 0 Shell: Bash v: 5.1.0 running in: konsole 
           inxi: 3.3.01