Having some trouble with suspend + GPU performance issues

Hi I've installed 10.13 recently. So far I love the look and feel of Mac OS. It's much better than Windows. The installation itself wasn't all that hard after some research. The problem is I've got a couple of bugs that I can't resolve. Did some research but nothing helpful came up. First my hardware:

  1. Suspend works but introduces a high load on my CPU / GPU so that everything is laggy and keystrokes are repeated randomly. The only fix is a reboot.

  2. Steam doesn't show any text. What's going on here?

  3. Firefox is very laggy on certain instances. Disabled the GPU acceleration and now I can see some pages that wouldn't work before. It's still not perfect, e.g. google maps is unusable. Also there are some glitches while playing video on Firefox. Chrome doesn't have that issue.

  4. Scrolling on Adium is very laggy. Would appreciate some help.

submitted by /u/dontuseliqui
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