Keyboard gets really hot on my mbp?

lilvenom

macrumors member
Original poster
Jun 30, 2007
63
1
Received my mbp 15" 2.2 on Monday, and I've been encoding some videos in handbrake. I have my system set up to an external screen. I've been keeping an eye on temp, which runs pretty hot- and i noticed that when its processing in handbrake, even the keyboard area gets hot. it also gets really hot where the screen meets the bottom part of the computer- in that hinge area. i know its normal for laptops to get hot underneath, but should it be getting so hot in the keyboard area too?

i've been leaving my screen folded open instead of closed even though the display is off because i don't want my screen damaged due to the heat.
 

scaredpoet

macrumors 604
Apr 6, 2007
6,627
342
Received my mbp 15" 2.2 on Monday, and I've been encoding some videos in handbrake. I have my system set up to an external screen. I've been keeping an eye on temp, which runs pretty hot- and i noticed that when its processing in handbrake, even the keyboard area gets hot. it also gets really hot where the screen meets the bottom part of the computer- in that hinge area. i know its normal for laptops to get hot underneath, but should it be getting so hot in the keyboard area too?

The hinge area getting hot is actually normal. If you look carefully in that hinge area, you'll find that there's heat vents opposite where the display connects up to the MBP. This is where the fans direct the heat to, and the hot air escapes from these vents.

As for the keyboard getting warm, mine does it as well.

What kind of temps are you getting?
 

techlover828

macrumors 68020
Jun 28, 2007
2,360
1
Maine
Received my mbp 15" 2.2 on Monday, and I've been encoding some videos in handbrake. I have my system set up to an external screen. I've been keeping an eye on temp, which runs pretty hot- and i noticed that when its processing in handbrake, even the keyboard area gets hot. it also gets really hot where the screen meets the bottom part of the computer- in that hinge area. i know its normal for laptops to get hot underneath, but should it be getting so hot in the keyboard area too?

i've been leaving my screen folded open instead of closed even though the display is off because i don't want my screen damaged due to the heat.
Wow, thats funny, I got my MBP on monday and I have an external screen hoked up to it, and I've been using handbrake for videos as well. What a coincidence. One time my computer got really, really hot (although the keyboard wasn't too hot). I decided to shut it down for a minute and then started it back up. I ran cool the rest of the night (although I was no longer using handbrake)

Moral of the story: Your MBP is gonna get hot while running handbrake and you kind of just have to deal with it

hope this helps.
 

lilvenom

macrumors member
Original poster
Jun 30, 2007
63
1
The hinge area getting hot is actually normal. If you look carefully in that hinge area, you'll find that there's heat vents opposite where the display connects up to the MBP. This is where the fans direct the heat to, and the hot air escapes from these vents.

As for the keyboard getting warm, mine does it as well.

What kind of temps are you getting?
last i checked, it was the high 70s low 80s Celsius

when i get home from work, i'll report all my temps. i'm using one of those widgets that tells the temp, but it tells the temp for like 10 different components so i don't know which one to report or follow exactly
 

scaredpoet

macrumors 604
Apr 6, 2007
6,627
342
last i checked, it was the high 70s low 80s Celsius

when i get home from work, i'll report all my temps. i'm using one of those widgets that tells the temp, but it tells the temp for like 10 different components so i don't know which one to report or follow exactly
Report all of them. :) Or at the very least, the highest temps, which will likely be your CPU and GPU readings.

I'm guessing you're probably using iStat Pro, which is really good at getting into the details.

70-80 degrees C while using handbrake isn't unheard of. If I remember correctly, the max tolerance for the MBP's CPU is 100 degrees C. While I wouldn't recommend running it to the max all the time, short runs of 70-80, while quite hot and annoying, probably won't do any damage.
 

lilvenom

macrumors member
Original poster
Jun 30, 2007
63
1
k here are my temperatures right now- i'm running handbrake and listening to music in itunes/chatting in ichat

CPU A - 83 Celsius
GPU Diode - 81 C
GPU Heatsink - 70 C
heatsink A - 68 C
Heatsink B - 63 C
Enclosure Bottom - 32 C
Memory Controller - 51 C
FUJITSU - 37 C
 

scaredpoet

macrumors 604
Apr 6, 2007
6,627
342
Yeah, those temps aren't bad. If that was "normal" operation (without handbrake taking up the lion's share of CPU cycles) then I'd be worried. I take it without handbrake, your CPU temp is in the 50s?
 

e12a

macrumors 68000
Oct 28, 2006
1,881
0
some heat escapes from the keyboard, and we're talkign about a 1" enclosure around a powerful CPU. The HSFs are under the corners of the keyboard.
 

lilvenom

macrumors member
Original poster
Jun 30, 2007
63
1
Yeah, those temps aren't bad. If that was "normal" operation (without handbrake taking up the lion's share of CPU cycles) then I'd be worried. I take it without handbrake, your CPU temp is in the 50s?
yeah, i guess i'm just a little on edge since its a new system and all.

is it bad if i run handbrake daily for a few hours? i'm trying to digitize my DVD library so i can have access to it on both my iphone and apple tv
 

iBookG4user

macrumors 604
Jun 27, 2006
6,596
2
Seattle, WA
yeah, i guess i'm just a little on edge since its a new system and all.

is it bad if i run handbrake daily for a few hours? i'm trying to digitize my DVD library so i can have access to it on both my iphone and apple tv
Well it is a Pro laptop, so you should be able to use it for processor intensive tasks a few hours a day. It'll be fine.
 

neptunet

macrumors newbie
Sep 12, 2005
22
0
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU like Mac OS X; en) AppleWebKit/420+ (KHTML, like Gecko) Version/3.0 Mobile/1C25 Safari/419.3)

yeah, my keyboard gets really hot too. It's totally ridiculous to feel uncomfortable while resting your hands on the keyboard. I think I'm going to go the replacing the thermal paste route. Hear that, apple? Totally ridiculous.