|Jan 12, 2013, 01:33 AM||#1|
[MBA: 13'' 2012] Reapplying thermal paste?
Hello, I am been having a pet peeve about the Macbook Air's temperatures in different situations to the point where I wanted to ask if it's worth removing the stock thermal paste and reapplying with an Arctic Silver thermal paste to decrease the temperature overall of the CPU.
So far I been seeing my temperature as so...
Idle: 50-60 Degrees Celsius
Browsing Web/Watching Videos/Web games: 70-80
I understand that the CPU would shut off at a certain temperature in the MBA [105 Celsius] to prevent damage. Though I am concern of the constant warm to hot heat where the fans, at high RPM, would have to kick in every now and then.
I've been also told for a CPU Temperature that's quite high compared to other laptops/ultrabooks [Friend gets about 30-40 degrees celsius, idle and not even hot while playing games]. Though from what I read from many sites/threads that the MBA CPU idle temperature at 50-60 celsius would be considered normal which perplexes me why it's so hot.
Thank you, and I have been enjoying my Macbook so far. :]
Last edited by WinterNote; Jan 14, 2013 at 02:36 PM.
|Jan 12, 2013, 01:47 AM||#2|
A new MB shouldn't require new paste but if it makes u feel better. U never mention how fast the fan is spinning from the different activities.
Solution: FREE, Explanation: Is gonna cost ya.
|Jan 13, 2013, 05:10 AM||#3|
Strangely, my MacBook Air (13-inch Mid 2012) has managed to run all the way up to 107C without shutting off. The Intel TJunction Max temperature for this CPU is 105C, so it's running a little off the scale.
I'm thinking of attempting some work on the heatsink (thermal paste included) to bring the temperatures down under load but I've found Apple's standard ShinEtsu Silicone-based paste to work quite well when fresh, so I'm not sure what difference it would make. After repeated heating and cooling cycles however it does start to dry out and turn brittle, and in that case a replacement paste will make a difference.
|Jan 13, 2013, 05:33 AM||#4|
|Jan 13, 2013, 05:41 AM||#5|
For some MacBook Pros and older Macs like PowerBooks, I would say definitely do it. For the Airs, though, I strongly discourage you from doing so. You are not likely to see any improvement at all as in general, Apple does a much better now with their thermal paste application. Only consider it if you have extreme issues with temperatures (yours are normal), and even then, only after ruling out more obvious and likely culprits such as fan malfunctions or unoptimized software (Flash).
When I played Diablo 3, I routinely got into the 90ish range (though at random times, it would top out at 75... automatic CPU throttling?). Skype will push my CPU right past 70 as well, because I believe the webcam is connected via an internal USB, which pushes the processing to the CPU.
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