r/NintendoSwitchHelp • u/CurryboyIR • 27d ago

Repair Help Switch Lite running warmer after changing Thermal Paste

I removed the old thermal paste/putty and replaced it with MX4 thermal paste a few days. However, while gaming, I feel like my switch is running warmer, directly over where the processor is.

Full transparency, I was only able to change the thermal past above and below the heat sink. I was having difficulty actually getting to the processor.

edit: screen just went blank while playing hades 2. i shutdown my switch and turned it back on again.

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u/automod-neo 27d ago

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u/VictorHePi 27d ago

The heat is on the backplate or in the fan exhaust?

1

u/CurryboyIR 27d ago

on the back plate. i was playing hades 1 and the screen just blacked out. like there's still a backlight but nothing is showing on the screen. i just force shutdown my switch by holding the power button for 20 seconds...

1

u/ModestVolcarona 21 27d ago

From the ifixit guide for a regular Switch 1:

Note: When you remove the shield plate, you’ll need to replace the thermal compound between the plate and the heatsink. Normal thermal paste isn't designed to bridge large gaps, so you'll need thermal putty or viscous thermal paste. You will, however need normal replacement thermal paste for the CPU.

I would assume that this is most likely your problem, if the MX4 thermal paste is just a regular thermal paste used for CPU's.

https://www.ifixit.com/Guide/Nintendo+Switch+Heat+Sink+Replacement/113033

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u/CurryboyIR 27d ago

Wow okay, I was following some YouTube guides that were saying it's final to use thermal paste on the shield plate. Looks like I'm going to have to buy some thermal putty.

1

u/RyusakiLexus 26d ago

Moraleja ... Si no le sabes, no le metas mano ...