0
votes
2answers
43 views

Macbook runs consistently hot sometimes, but consistently cool other times

It doesn't seem to be a function of the programs I'm currently running, since I've run the same programs in both states, and it seems to vary beginning at startup: Most of the time when I start up it ...
1
vote
0answers
22 views

Are the temperatures that I'm seeing normal? [duplicate]

I bought a new mid-2014 15" Macbook Pro, and noticed some interesting temperatures in iStats. The idle temperature seems to be around 50 degrees celcius with an ambient temperature of approximately 30 ...
3
votes
3answers
63 views

Macbook2,1 late 2006 fan not spinning

My macbook is very hot, the fan never starts. I tried some softwares like Fan Control 1.2, scmfancontrol 2.4 and Macs Fan Control but each of them is giving me always 0 rpm on the main (right) fan… ...
2
votes
3answers
1k views

Macbook Pro 15 mid 2012 - not able to solve overheating

I've been trying to solve my overheating problem for quite a long time, but had no luck, so I will try to describe it to you and hopefully, someone can come up with some solution. I've also read ...
1
vote
3answers
813 views

Why is my MacBook getting hotter than usual since some time?

Since some time my MacBook is constantly hotter than it used to be, even when not having much CPU load. What could the cause be? Resetting the System Management Controller (SMC) didn't completely ...
0
votes
2answers
152 views

Macbook Pro Mid-2012, ethernet heating

I am a Mac newbie and I have a new 13" Macbook Pro. I used the Ethernet connection for wired Internet in my dorm room, but after using it for half an hour or so, the Ethernet port and the area nearby ...
6
votes
1answer
803 views

Dangers of limiting fan-speed

The situation: I work in a very quiet office using MBP Spring 2011 with an i7. The problem is that when I put an intense but short workload for a few seconds on the CPU the fans spin up heavily, ...
3
votes
1answer
228 views

MacBook Air wrong fan reading

My Macbook Air (Summer 2011, i7) tends to think it's running way hotter than it is, and permanently ramps up the fan. Closing the computer and reopening resets the mistaken sensor, but I'd rather not ...
1
vote
2answers
2k views

What's the normal operating temperature for a unibody plastic Macbook?

My Macbook seems to be running pretty hot lately. iStat Pro is stating that my CPU temp is nearing 180 degrees F, and that the heatsink is approaching 150. The laptop is noticeably warmer than ...
2
votes
2answers
838 views

What part of the MacBook Pro 13-inch 2.4 GHZ (Mid 2010) logic board is what sensor?

My MacBook Pro 13-inch 2.4 GHZ (Mid 2010) starts up normally but after approximately one minute the fan accelerates and the system slows down dramatically. The CPU load goes up to 99% as I see it on ...
0
votes
2answers
460 views

Is my USB drive broken, or is it my MacBook?

I have a Kingston DataTraveler 108, which is recognized by any computer I plug it into. When I try copying files to it on my MacBook, it is sometimes suddenly ejected. I've had the same problem ...
0
votes
2answers
652 views

Lion (10.7.2) — CPU heats to 90-degrees and Java apps crash — why?

MacBook Pro 15" quad-i7. Been running Lion since day one. Just started this week, Eclipse and Oracle SQL Developer crash unexpectedly, then a moment later the MacBook cooling fans kick in and the ...
2
votes
1answer
521 views

MacBook Pro Heat Indicators

I just downloaded a temperature monitor app for my macbook pro. It tells me the following temperatures. I was wondering which ones I should take extra note of and what temperatures of those I should ...