I have a pretty high-end gaming rig but Zorin feels really slow and I can't get Steam to play games?

[Forpli]

Check if secure boot and fast boot in your BIOS are disabled.
If you have a Dualboot with Windows also disable fast startup in the energy settings of Windows.
With your up-to-date hardware you may need a later kernel.

[HOW TO] Easily install a later Kernel (Needs Net Connection)

Updated as of Mar 28 2025 To install the Mainline Installer: add the repository: sudo add-apt-repository ppa:cappelikan/ppa Update sources and install: sudo apt update && sudo apt install mainline Launch Mainline from App Menu or terminal, and select the kernel you wish to test. To use TuxInvader Kernel: These are not Microsoft signed, so Secure Boot must be disabled in BIOS Settings. Add repository: If using Zorin OS 16: sudo add-apt-repository ppa:tuxinvader/lts-mainline If usi…