Laptop running hot

[Phil]

On 24/9/21 9:13 pm, Liam Proven wrote:
> On Fri, 24 Sept 2021 at 03:24, Phil <phillor9 at gmail.com> wrote:
>> Kubuntu 20.10 running on a ThinkPad T420 with 6GB ram and a 500GB SSD.
> I have a T420 and it runs nice and cool. I use Unity, not KDE or GNOME.
I've used KDE since the mid 90s and I do suspect that it may be causing 
the system to over heat. I tried unity a few years ago and didn't like 
it at all.
> Stuff to look at...
>
> • Check your firmware is current -- mine wasn't
The last time that I checked there wasn't any updates available.
> • Some models (Core i7 variants) of the T420 have dual GPUs with
> switching. You can set the default GPU in the firmware. Obviously the
> discrete one takes more power and runs much hotter. If you don't need
> GPU acceleration, use the integrated GPU in the CPU.
Mine's an i5. I will check the GPU acceleration option.
> • 6GB is not a lot these days. The 420s take cheap generic DDR3
> SO-DIMMs. People are giving away 2GB ones, but 4GB ones should be
> about €/$5 or less. I'd suggest taking it to 8GB.

The laptop came with 4GB of ram. I bought an extra 2GB from an eBay 
seller assuming that it was a single 4GB board, it turned out to be 2x 
2GB units.

-- 

Regards,
Phil