My laptop reaches high 90s Celsius temperature on CPU and motherboard under load

Bukaka · Jul 4, 2015

And around 55C load-free.

I use HWmonitor and Speccy for diagnostics.

The model is MSI CX640DX.
http://www.msi.com/product/nb/CX640DX.html#hero-overview

I had the laptop running with those high temps for extensive periods of time, over 20 hours at a time for several weeks. I was unaware of the actual temps until recently.

I assume those temps are not normal even for a laptop that is positioned for gaming, so what might be causing this? Are there any actual risks of incurring permanent hardware damage?

The CPU fan is functioning properly and gets very loud.

Bukaka · Jul 5, 2015

In power plan settings I limited CPU to 50%, the temperatures stay at about 61-65C. This is not an actual solution as it will cripple the performance in more load intensive tasks.
The laptop has an i7 meaning 8 logical cores and higher max TDP.

Anybody has comments/suggestions?

Finstar · Jul 5, 2015

Have you tried cleaning dust in the fans? Laptops have alot better heat management than desktops and often get alot hotter than desktops. If it's not throttling or shutting down
there should be no problem. Re applying thermal paste and cleaning the fans can help reduce the heat.

velo3100 · Jul 5, 2015

Those temps seem very high for a laptop with an old gpu. To solve it try the following:

Hardware

1. Clean fans and other internal equipment
2. Re apply thermal paste
3. Check for any broken equipment

Software

1. Uninstall any demanding programs apart from games
2. Update all drivers
3. Disable any unnecessary start programs
4. Use a less demanding anti virus program
5. Make sure that apps from the browser get closed when the browser is closed

Bukaka · Jul 6, 2015

velo3100 :

I disassembled the laptop, the insides are crystal clean save for a few specs of dust, no balls of dust on grill either.
I re-applied the thermal paste, the temps on CPU and motherboard went down to around 40 load free and 77 (max value for 20 mins) under load.

As for broken equipment my laptop built in speakers have this problem; they work ok for a minute or two then stop playing any sound, if I plug in and then unplug the headphone cord, the built in speakers function for a minute again... Any idea what might be causing this?

My issue is NOT optimising PC load time and removing clutter software.

Bukaka · Jul 6, 2015

Finstar :

It may have shut down once, either way those temps are not normal (even for a gaming laptop) and might wear down the computer faster (that's a hearsay, I don't really understand why that would cause more wear on a technical level)

velo3100 · Jul 6, 2015

Unfortunately I don't know why the speakers are playing up.

Sorry

Bukaka :

velo3100 :

I disassembled the laptop, the insides are crystal clean save for a few specs of dust, no balls of dust on grill either.
I re-applied the thermal paste, the temps on CPU and motherboard went down to around 40 load free and 77 (max value for 20 mins) under load.

As for broken equipment my laptop built in speakers have this problem; they work ok for a minute or two then stop playing any sound, if I plug in and then unplug the headphone cord, the built in speakers function for a minute again... Any idea what might be causing this?

My issue is NOT optimising PC load time and removing clutter software.

Bukaka · Jul 6, 2015

I did some testing with Prime95 (5 minutes) Maximum temps by the end of the test are 92C on motherboard 92C on CPU.

CPU is 2670QM
The clock stays at ~2300Mhz, 23x multiplier (max is 3100Mhz)

While re-applying thermal paste did reduce the heat (I haven't done Prime95 test before that) significantly,
I still don't consider those temps satisfactory at all..

So what I'm looking for here is a way to reduce the temps even further into "safe" range or for someone qualified to reassure me those temps are indeed ok... I'd really appreciate any input/help.

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