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The best way to improve PC/Laptop performance:
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1. Click on the Menu button, select Terminal. (0: 20s)
2. In the terminal, type the command: sudo aptitude install alsa-base alsa-utils alsa-tools. then check that the sound card is being detected, execute: cat / proc / asound / cards. (0:40s)
3. check the model of the card: cat / proc / asound / modules. Run: sudo gedit /etc/modprobe.d/alsa-base.conf. (1:14s)
4. We write the following after the last file line: options snd-intel8x0 * or options snd-hda_intel, depending on the model of your card. (1:35s)
5. Execute the commands: killall pulseaudio and sudo alsa force-reload and restart your pc. (2:06s)