Manjaro KDE can't load SDDM or Plasma

Hi everyone. What I am about to describe to you is a problem that happened to me a few days ago with Manjaro Gnome and which has now come back with Manjaro KDE. The difference is that with Manjaro Gnome it happened after a forced shutdown, so I thought it was my fault, whereas now it happened after a normal shutdown. In practice, when I try to start Manjaro, I cannot in any way access SDDM, with the screen that remains stuck on the Asus logo. I can still access the login shell and I still have all my data there, but I can’t get plasma to work. Both if I use startx and if I use startplasma-X11 the shell freezes and I cannot use it anymore, and I have to switch to another one. I’ve read around that it could be graphics driver issues but couldn’t find a solution. Here the data of my system with inxi -Fazi:

System:    Kernel: 5.8.18-1-MANJARO x86_64 bits: 64 compiler: gcc v: 10.2.0 
           parameters: BOOT_IMAGE=/boot/vmlinuz-5.8-x86_64 root=UUID=8540f77b-04b7-4ab2-85ca-80e20b7f589c rw quiet apparmor=1 
           security=apparmor udev.log_priority=3 
           Console: tty 3 DM: SDDM Distro: Manjaro Linux 
Machine:   Type: Laptop System: ASUSTeK product: X580VD v: 1.0 serial: <filter> 
Battery:   ID-1: BAT0 charge: 37.4 Wh condition: 40.3/48.1 Wh (84%) volts: 11.6/11.6 model: ASUSTeK ASUS Battery type: Li-ion 
           serial: N/A status: Charging cycles: 128 
CPU:       Info: Quad Core model: Intel Core i7-7700HQ bits: 64 type: MT MCP arch: Kaby Lake family: 6 model-id: 9E (158) 
           stepping: 9 microcode: DE L2 cache: 6144 KiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 44817 
           Speed: 800 MHz min/max: 800/3800 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800 5: 800 6: 801 7: 800 8: 800 
           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 status: Not affected 
Graphics:  Device-1: Intel HD Graphics 630 vendor: ASUSTeK driver: i915 v: kernel bus ID: 00:02.0 chip ID: 8086:591b 
           Device-2: NVIDIA GP107M [GeForce GTX 1050 Mobile] vendor: ASUSTeK driver: nvidia v: 455.45.01 
           alternate: nouveau,nvidia_drm bus ID: 01:00.0 chip ID: 10de:1c8d 
           Device-3: IMC Networks USB2.0 HD UVC WebCam type: USB driver: uvcvideo bus ID: 1-6:2 chip ID: 13d3:56a2 
           serial: <filter> 
           Display: server: 1.20.9 driver: nvidia tty: 240x67 
           Message: Advanced graphics data unavailable in console. Try -G --display 
Audio:     Device-1: Intel CM238 HD Audio vendor: ASUSTeK driver: snd_hda_intel v: kernel bus ID: 00:1f.3 chip ID: 8086:a171 
           Sound Server: ALSA v: k5.8.18-1-MANJARO 
Network:   Device-1: Intel Wireless 8265 / 8275 driver: iwlwifi v: kernel port: e000 bus ID: 03:00.0 chip ID: 8086:24fd 
           IF: wlp3s0 state: down mac: <filter> 
           Device-2: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet vendor: ASUSTeK driver: r8169 v: kernel port: d000 
           bus ID: 04:00.0 chip ID: 10ec:8168 
           IF: enp4s0 state: down mac: <filter> 
           WAN IP: No WAN IP found. Connected to web? SSL issues? Try enabling dig 
Drives:    Local Storage: total: 1.08 TiB used: 644.73 GiB (58.1%) 
           SMART Message: Unable to run smartctl. Root privileges required. 
           ID-1: /dev/sda vendor: SK Hynix model: HFS128G39TND-N210A size: 119.24 GiB block size: physical: 4096 B 
           logical: 512 B speed: 6.0 Gb/s serial: <filter> rev: 0P10 scheme: GPT 
           ID-2: /dev/sdb vendor: Toshiba model: MQ04ABF100 size: 931.51 GiB block size: physical: 4096 B logical: 512 B 
           speed: 6.0 Gb/s rotation: 5400 rpm serial: <filter> rev: 0J scheme: GPT 
           ID-3: /dev/sdc type: USB vendor: Samsung model: Flash Drive size: 59.75 GiB block size: physical: 512 B 
           logical: 512 B serial: <filter> rev: 1100 scheme: GPT 
           SMART Message: Unknown USB bridge. Flash drive/Unsupported enclosure? 
RAID:      Hardware-1: Intel 82801 Mobile SATA Controller [RAID mode] driver: ahci v: 3.0 port: f060 bus ID: 00:17.0 
           chip ID: 8086.282a rev: 31 
Partition: ID-1: / raw size: 59.46 GiB size: 58.27 GiB (98.01%) used: 45.06 GiB (77.3%) fs: ext4 dev: /dev/sdc2 
Swap:      Alert: No Swap data was found. 
Sensors:   System Temperatures: cpu: 37.5 C mobo: N/A 
           Fan Speeds (RPM): cpu: 2800 
Info:      Processes: 194 Uptime: 5m Memory: 15.40 GiB used: 528.4 MiB (3.4%) Init: systemd v: 246 Compilers: go: ASUSTeK model: X580VD v: 1.0 serial: <filter> UEFI: American Megatrends v: X580VD.317 date: 04/16cc: 10.2.0 
           Packages: 1352 pacman: 1337 lib: 375 flatpak: 8 snap: 7 Shell: Zsh v: 5.8 running in: tty 3 inxi: 3.1.08