Question about Apple MacBook Air with 13.3" Display

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Switches itself off after 30 seconds

My Mac was running very slow (kept getting multi colour timer for everything) so I decided to switch it off then back on. During switch off it 'hung'. I pressed the Control-Alt-Del equiv. It switched off, but now when I try to switch it on I get the grey screeen, apple symbol, timer then after approx 30 seconds it just switches itself off. Have I killed it? Please help...

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The MacBook Air is not known to be susceptible to the bad capacitor issue, which concerned capacitors that Apple used four and five years ago.
You are not seeing a kernel panic, because you have not reported the gray overlay screen with a message in multiple languages.
I would recommend against reloading your system or having your logic board replaced without attempting several much less invasive potential solutions.
The first potential solution I would pursue is to reset the power manager on your MacBook Air. From a powered-down state, connect the AC power cable, then while holding down (left) shift-control-option, press the power button once. Wait five seconds, then press the power button to start the computer.
If that doesn't fix the problem, try the following:
Disconnect all external peripherals. Make sure you are not running your computer on a soft surface (overheating).
If the sleep indicator light briefly illuminates just before the system shuts down, you will need to have a technician check the thermal sensor connection to the logic board.

Using the original system discs and an external USB optical drive, run the Apple System Hardware Diagnostic on your MacBook Air. If error codes are reported, take them in to a technician.

There are other tests that can be done and logs that can be checked by a technician. If your computer continues to give you this trouble despite trying the above steps, you might do best to bring it in.

Posted on Nov 18, 2009

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You haven't killed it, you have crashed your system. Go through the web, search for the reinstall codes for your system. The thing is that every MAC has it's own codes (based on the which system you used) that can reinstall your system, without loosing any of your data. During the new installation it asks you if you want to save all the data you had, and then you can start using your MacBook from the begining

Posted on Nov 17, 2009

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Okay this is indeed ar hard ware failure on this MAC the logic board will need to be replaced or repaired most causes of mac's frezing are bad capcitors on the logic boards if you can indentify and replace that you will have a working machine again trust me I worked on the Emac capacitor issues and I feel this is the same issue most where with the onboard video card making the system hacking its called a kernal panic and that is why you system is doing currently what I call a kernal panic you will need to replace the logic board at this point.

Thanks and please leave postive feedback and ratings for your free answer today.

Posted on Nov 17, 2009

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