Proofreading and Spelling provides no suggestions or corrections despite errors being evident.

Question

When I click on proofreader or any of the proof reading tabs under "edit"  and any of the "spell checker" tabs I can see the box prompt but it is not finding errors nor providing solutions despite obvious mistakes.

Answer 1

TPFanControl reads the temperatures reported by your ThinkPad's "embedded controller"--which controls the fan speed. You can use it just for monitoring temperatures, you don't have to control the fan with it (read the documentation for the config file).
RMClock, among other things, plots cpu frequency, voltage and temperature vs. time. This can be useful to observe when your cpu is throttling itself to avoid overheating. You can also use RMClock to undervolt your cpu to lower temperatures. But you shouldn't have to do that to prevent the problems you're having.
mprime in torture test mode will stress your cpu and memory. You can run this while monitoring your system temperatures. At the very least, running the mprime torture test should quickly tell you whether your unwanted sleep is indeed correlated with cpu activity.
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