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Re: Macbook heating problem
Check if the rear exhaust vent is blocked. This is the most common reason for over heating in mac books. Apple has given this statement regarding this. Also, MacBook Pro owners still experiencing overheating issues may want to update their firmware. Information Weekwrites about the mysterious update that fixed overheating issues onMacBook Pro notebooks. I have to say my notebook is running a lotcooler since the update.
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It sounds as though the IO Board is bad. Personally I would sell it on eBay for parts or Repair only. Take the money and buy another working unit. Or you can go here MacBook Air 13 Mid 2013 Heat Sink Replacement and check out this iFixit repair site . This is going to be a lengthy repair, but following the instructions you should be able to do it. I used the HeatSink repair, but you can choose any of the listed repairs for this item.
A frequent cause of over heating is blocked air vents or a clogged fan. Use vacuum cleaner nozzle not too close to air vents and try and suck out surplus dust. Obviously don\'t then use it flat on your lap or bed, air needs to get to it all round!
All laptops warm up during normal usage due to the moving parts in a hard drive and the system heating up doing what you want it to do, for the most cases this is normal but when the macbook gets too hot and feels like it wrong could be a problem with your fan is blocked up and un-able to blow cool air into it due to the blockage, to fix this problem you would have to download the service manual on how to access your fan to give it a clean or by taking it to a computer repair shop for fan maintenance
although this is chargeable and if you are comfortable doing it yourself then you will need to be careful,
If you need further help please ask and if i have helped you please rate me.
The green light on your power adapter is normal, this indicates that it is charging the battery. The fan within the MacBook is controlled by an internal heat sensor. The fan inside will speed up and slow down based on the internal temperatures.
The X icon for where the battery is, indicates that the battery is not connected or the system doesn't recognize the battery anymore. Meaning, you will need to buy a new battery for your computer.
When you connect an external monitor to your MacBook (or PowerBook,
for that matter), you can combine your MacBook's LCD and your external
monitor to create one big monitor. That means when your mouse pointer
goes off the edge of one, it will appear on the other. Open the
Displays Preference Pane to configure the resolution and orientation of
the two monitors. This type of configuration works well when you want
to keep your main work on your larger external display, but still keep
things like IM, iTunes, and email constantly visible on the smaller
Some windows act like they don't want to be
dragged on to your external monitor. If a windows is being stubborn,
try dragging it up to the menu bar, and keep dragging, even if stays
stuck below the menu bar. Sometimes once you have dragged it far enough
that it has room to render the entire window, it will jump to the other
monitor (Terminal used to have this problem, but Apple fixed it some
time ago). If that doesn't work, try dragging it from a corner of your
monitor. My Adium contact list
doesn't seem to want to live on my external monitor, but I can coerce
it up there by dragging up from either corner.
laptop is open, you can't switch to using the full resolution of an
external monitor. I have no idea why, but it's a fact of life for
MacBook users. You can use both displays in "extended" mode, or you can
mirror your MacBook's display (which most likely doesn't use the full
resolution of your external monitor), but you can't switch to using
only the external monitor. Very strange.
If you close your
laptop, you can actually get the full resolution of your external
display. Put your MacBook to sleep, connect your external display and
an external monitor, and wake the computer up by pressing any key. You
will have full use of your external display while your laptop is closed.
you really want to have your MacBook open while only using an external
display, after following the procedure above, you can open your
MacBook, and it's screen will remain off, which means you can still use
the MacBook's keyboard and trackpad. Why you can't get into this mode
using F7, I have no idea. This is a good technique for allowing some
heat to dissipate while still using an external display so the lid of
your MacBook doesn't melt or warp.
You can boot your
computer using just an external display. Just connect your external
display, open the lid, hit the power button, and close the lid again
In order to output only to an external monitor,
you have to have the power cable connected. I tried for several minutes
yesterday to get my MacBook to wake up with an external keyboard and
monitor before unpacking my AC adapter from my backpack, and it
wouldn't work. It took me a while to make the connection (no pun
intended), but I eventually discovered that with the power cable
attached, everything works as expected.
The real issue seems to be that the system firmware designers haveoptimized for a quiet machine at the expense of the temperature. Theeasiest way to fix this? A firmware update,perhaps not unlike the one released recently with almost no details.Several reports from users indicated this update increased the use oftheir fans and fixed their heat issues. Isn't that an astonishingcoincedence?
Although Apple said that the update was to "System Management Control(SMC)" firmware, it was up to MacBook Pro (MBP) users to figure outthat SMC is the specialized controller that manages thermal and power conditions, and is in charge of running the portable's fans. Within hours of the update, users began reporting that the updateseemed to increase the MacBook Pro's use of its fans, and usingdiagnostic tools, claimed that their machines were running up to eightdegrees cooler.