MBP runs hot with view on via Thunderbolt

My MBP (mid-2012) is connected to my iMac (mid 2011) by love at first sight for the use in target display mode. I'm on the second week of this configuration. Recently, the MBP started running hot and fans rev significantly (sometimes up to 6000 RPM) during the operation. I followed time via iStat and I'll see the GPU heats led also as 180F. On the case, the box at the top left of the keyboard has is where the MBP is hot to the touch.

Now, I have this remark especially if I do something intense like graphics editing, but it will even go through of cycles hot if I do nothing more than browse the web.

The MBP is on my wooden desk and I even started shoring on the back of it, and I run my fan of upper limit at any time.

Considering that the MBP does not begin immediately doing it once I started to plug into the iMac, is there something wrong here? I know computers laptops often run hot and are supposed to off automatically at certain times, but the fan noise is annoying, and potential acceleration of system damage is alarming.

Temperature (180 ° f) is certainly warm but well below the tolerable limits MBP which can operate in.  Yes, there are provisions that will cut the MBP if temperatures exceed operating limits "normal."

I suggest that whenever temperatures rise and start the fans running, open the activity monitor in all THE PROCESS and see what applications can use a lot of CPU resources.  If you can, stop these applications.

Another thing you could do is to open the MBP and see if there is dirt an debris aside, especially by the fans.  Clean up if this is the case.

Finally, will help you see if a SMC reset:

https://support.Apple.com/en-us/HT201295

Ciao.

Tags: Notebooks

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