Speaker icon gone after updating ubuntu
Your next port of call is the manufacturer's website for your laptop.
All laptop manufacturers will have 'support' pages for every laptop they've sold, and most will have downloads for all the basic drivers available for each one.
The very good article Linux Magazin 2005/08: Geheime Niederschrift - Festplattenverschlüsselung mit DM-Crypt und Cryptsetup-LUKS: Technik und Anwendung is still valid and contains much LUKS background knowledge, e.g.
preventing some questions why a special encryption method is (not) used.
Each laptop manufacturer has a dedicated web page that tells you which of its models, past and present, support Windows 10.I provide a crypt-setup bash script, making the system installation faster and easier.The scripts prompts the user to enter the needed data (target device, partition sizes, key length etc.) and processes the installation as described at “ Because the full disk encryption will be prepared by using a live session (which brings no more than what is absolutely necessary), you have to install some additional packages plus their dependencies for the running session ( You can't reboot for understandable reasons (→live session, your changes would be gone after a reboot).Windows will look online to see if there are any updated drivers for your device.
If it can't find any, it'll simply say you have the best drivers available, which may or may not be true.If you don't understand German, have a look at the Wikipedia articles about Disk encryption theory, LUKS, AES, and Block cipher modes of operation.However, you can still install and use the crypto system, even if you are not interested in this additional information.Having worked out who makes your touchpad, you can take the following steps.