System and Network configuration • sound drivers missing on new installation

Code:

[    5.047213] snd_hda_intel 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100[    5.047219] snd_hda_intel 0000:00:1f.3: Digital mics found on Skylake+ platform, using SST driver[    5.265523] snd_soc_skl 0000:00:1f.3: DSP detected with PCI class/subclass/prog-if info 0x040100[    5.265527] snd_soc_skl 0000:00:1f.3: Digital mics found on Skylake+ platform, using SST driver[    5.265532] snd_soc_skl 0000:00:1f.3: enabling device (0000 -> 0002)[    5.266162] snd_soc_skl 0000:00:1f.3: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])[    5.471260] snd_soc_skl 0000:00:1f.3: firmware: failed to load 9d71-INTEL-KBL-2-tplg.bin (-2)[    5.471487] snd_soc_skl 0000:00:1f.3: firmware: failed to load 9d71-INTEL-KBL-2-tplg.bin (-2)[    5.471546] snd_soc_skl 0000:00:1f.3: Direct firmware load for 9d71-INTEL-KBL-2-tplg.bin failed with error -2[    5.471567] snd_soc_skl 0000:00:1f.3: tplg fw 9d71-INTEL-KBL-2-tplg.bin load failed with -2, trying alternative tplg name skl_hda_dsp_generic-tplg.bin[    5.472000] snd_soc_skl 0000:00:1f.3: firmware: direct-loading firmware skl_hda_dsp_generic-tplg.bin[    5.475040] snd_soc_skl 0000:00:1f.3: firmware: direct-loading firmware intel/dsp_fw_kbl.bin[    5.986275] snd_soc_skl 0000:00:1f.3: skl_cldma_wait_interruptible: Wait timeout[    5.988087] snd_soc_skl 0000:00:1f.3: Failed to set Run bit=2 enable=0[    5.988800] snd_soc_skl 0000:00:1f.3: Transfer firmware failed-5[    5.990768] snd_soc_skl 0000:00:1f.3: Failed to set Run bit=2 enable=0[    5.992618] snd_soc_skl 0000:00:1f.3: Load base fw failed : -5[    5.993596] snd_soc_skl 0000:00:1f.3: Failed to boot first fw: -5[    5.994436] snd_soc_skl 0000:00:1f.3: ASoC: error at snd_soc_component_probe on 0000:00:1f.3: -5

Code:

aplay: device_list:274: no soundcards found..