vladislav@kubuntu:~$ sudo modprobe rtw_8821cu modprobe: ERROR: could not insert 'rtw_8821cu': Invalid argument vladislav@kubuntu:~$ lsmod Module Size Used by ntfs3 335872 3 intel_rapl_msr 20480 0 intel_rapl_common 40960 1 intel_rapl_msr x86_pkg_temp_thermal 20480 0 binfmt_misc 24576 1 intel_powerclamp 24576 0 mei_pxp 20480 0 mei_hdcp 28672 0 snd_hda_codec_realtek 192512 1 coretemp 24576 0 snd_hda_codec_generic 118784 1 snd_hda_codec_realtek nls_iso8859_1 16384 1 kvm_intel 503808 0 ledtrig_audio 16384 1 snd_hda_codec_generic snd_hda_codec_hdmi 94208 4 snd_hda_intel 61440 4 kvm 1347584 1 kvm_intel snd_intel_dspcfg 36864 1 snd_hda_intel irqbypass 16384 1 kvm snd_intel_sdw_acpi 20480 1 snd_intel_dspcfg rapl 20480 0 intel_cstate 24576 0 libarc4 16384 0 snd_hda_codec 204800 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_realtek snd_hda_core 135168 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek snd_hwdep 20480 1 snd_hda_codec snd_pcm 192512 4 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core snd_seq_midi 20480 0 snd_seq_midi_event 16384 1 snd_seq_midi snd_rawmidi 53248 1 snd_seq_midi input_leds 16384 0 joydev 32768 0 serio_raw 20480 0 iwlwifi_compat 16384 0 snd_seq 94208 2 snd_seq_midi,snd_seq_midi_event snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi at24 24576 0 snd_timer 49152 2 snd_seq,snd_pcm snd 135168 19 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_hda_codec_realtek,snd_timer,snd_pcm,snd_rawmidi soundcore 16384 1 snd mei_me 57344 2 mac_hid 16384 0 mei 167936 5 mei_hdcp,mei_pxp,mei_me sch_fq_codel 24576 1 msr 16384 0 parport_pc 53248 0 ppdev 24576 0 lp 28672 0 parport 73728 3 parport_pc,lp,ppdev efi_pstore 16384 0 ip_tables 36864 0 x_tables 65536 1 ip_tables autofs4 57344 2 nouveau 2830336 23 hid_generic 16384 0 mxm_wmi 16384 1 nouveau i2c_algo_bit 16384 1 nouveau drm_ttm_helper 16384 1 nouveau ttm 110592 2 drm_ttm_helper,nouveau drm_display_helper 212992 1 nouveau cec 94208 1 drm_display_helper rc_core 77824 1 cec crct10dif_pclmul 16384 1 uas 28672 0 drm_kms_helper 249856 3 drm_display_helper,nouveau crc32_pclmul 16384 0 polyval_clmulni 16384 0 polyval_generic 16384 1 polyval_clmulni syscopyarea 16384 1 drm_kms_helper ghash_clmulni_intel 16384 0 sysfillrect 20480 1 drm_kms_helper sysimgblt 20480 1 drm_kms_helper cryptd 28672 1 ghash_clmulni_intel sha512_ssse3 53248 0 usbhid 73728 0 i2c_i801 40960 0 i2c_smbus 20480 1 i2c_i801 usb_storage 86016 1 uas drm 700416 14 drm_kms_helper,drm_display_helper,drm_ttm_helper,ttm,nouveau lpc_ich 28672 0 pata_acpi 16384 0 psmouse 212992 0 xhci_pci 24576 0 hid 176128 2 usbhid,hid_generic xhci_pci_renesas 20480 1 xhci_pci video 73728 1 nouveau wmi 40960 3 video,mxm_wmi,nouveau vladislav@kubuntu:~$ modinfo rtw-8821cu | grep alias alias: usb:v7392pD811d*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v7392pC811d*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v2001p331Dd*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDApC82Bd*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDApC82Ad*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDApC821d*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDApC820d*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDApC811d*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDApC80Cd*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDApB82Bd*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDApB820d*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDAp8811d*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDAp8731d*dc*dsc*dp*icFFiscFFipFFin* alias: usb:v0BDAp2006d*dc*dsc*dp*icFFiscFFipFFin*