HT4628 My 20111 macbook pro will intermittently turn its wifi off

Hello,
My 20111 macbook pro will intermittently turn its wifi off (often when it wakes up or loses signal with a station). It then won't turn back on unless I restart the computer. There are also issues with my screen starting up with a much lower resolution than normal (which reverts about half way through start up to the normal resolution). and every once in awhile a patch of checkers will appear for a few seconds and then disappear.
any ideas? are these all caused by the same problem?

Make a "Genius" appointment at an Apple Store to have the machine tested.
Back up all data on the internal drive(s) before you hand over your computer to anyone. If privacy is a concern, erase the data partition(s) with the option to write zeros (do this only if you know how to restore, and you have at least two independent backups.) Don’t erase the Lion recovery partition, if present.

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Mid-2009 Macbook Pro will not turn on

Hi Folks,
so my mid-2009 15in Macbook Pro will not turn on. I updated the OS to Mavericks in December 2013. I'm from California, but I recently moved to the Guam/Marianas area where it is more humid and generally around 87 degrees F all day. For the past month my computer has worked fine, albeit I did notice the fan was running a little more than usual. I usually would just put it into sleep mode when I would finish using it (apparently a bad idea based off of reading other posts concerning humidity and, more importantly, heat). One day I finished using it, closed it and the next day went to open it; I could hear the fans start to work, but then it stopped. It hasn't turned on since. You press the power button and nothing happens. I tried all the troubleshooting stuff.
So, my question is this: what do you think is the problem? Moreover, how much do you think it could cost to repair it? My experience with computers suggests to me that it's probably a dead motherboard. I'm wondering if it's worth trying to salvage this thing or if it would be prohibitively expensive. There are no Apple stores in the area to take it in to get advice unfortunately.
Now, I just want to vent a little frustration. I have many apple products, and I've even switched my mother over to an apple computer, but now that I need some very basic support, apple doesn't provide a contact e-mail or a free chat? I think charging someone $19 for 'one time assistance' is ludicrous. I bet if I brought this into an apple store I could at least get some advice, and thus get some idea how I want to proceed with repairs or not. I suppose I'm also rather frustrated that my macbook, which I have been most happy with all these years, breaks because I go somewhere a little more humid and generally warmer? It would appear that the hardware failure is connected to the climate. This makes me skeptical about purchasing another mac if it can't handle a little humidity. (I have not spilled liquids on it, nor have used this computer while transitioning from an air-conditioned/humid location which could potentially cause condensation). I do not think I'm being unreasonable (yes I do think a $2500 computer should not fail after less than 5 years), but if you think I am unreasonable, please enlighten me.
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Ken

Ken,
the “Important Handling Information” in the little white manual that came in the box with your MacBook Pro states that its operating temperature range is from 50 °F to 95 °F (10 °C to 35 °C), and that its operating range of relative humidity is 5% to 90% (non-condensing). If your corner of the Pacific is outside of these ranges, the manual states that “Failure to follow these handling instructions could result in damage to your MacBook Pro”.
I have no idea what problem your MacBook Pro has; since you’ve tried all of the troubleshooting stuff, you’ll need to somehow get your MacBook Pro to a qualified service facility to diagnose the problem. If the logic board does need to be replaced, it would probably cost hundreds of dollars for a replacement, and you might find that purchasing a replacement used MacBook Pro of the same model to be price-competitive with just replacing your MacBook Pro’s logic board.
If you find Apple’s out-of-warranty policies unacceptable, then your only alternative to venting would be to purchase your next computer from a different company which has out-of-warranty policies more to your taste.

My MacBook Pro will not turn on, bought a new charge still no power, My MacBook Pro will not turn on, bought a new charge still no power

My MacBook pro will not turn on bought a new charger and it still will not turn on

Then your problem isn't with the charger/adapter. Which model MacBook Pro do you have (e.g., "15-inch Late 2011")?
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My macbook pro will not turn on and the charger is not lighting up

please help!! my macbook pro will not turn on at all, when i plug in the charger it will not light up at all, it suddenly shut down when i was using it.

Is there any charge left in the battery?
Press the button on the left side, near the front edge. If no green lights appear, battery is flat. And if the power brick ain't workin' (by virtue of its pilot light not glowing), then it will remain flat and the computer will not power up. If this is the case, maybe try with another power brick of similar size and see if it charges.
Else the logic board is toast and pitbull's on the money.
Either case, my gypsy crystal ball forsees a trip to an Apple Store or a Service Provider in your future...

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MacBook Pro Will Not Turn On. Charger light flashing

Hi there all. I am having a problem with my late 2011 MacBook Pro, and I have tried everything. I was wondering if you might be able to help. I will describe the problem in detail:
This morning when I woke up and went to use my macbook, it said the battery was 50%, even though it was plugged in. I use it like a desktop, plugged in to a monitor and plugged in to power most of the time. I usually allow it to drain the battery every few days. Anyway, I rebooted it, and the battery was still going down. I tried various things, like unplugging it completely etc. I remembered that my friend had this problem last year, with her exact same model macbook, and she came to me, and I was able to fix it. So, I thought if I followed all those steps I would be fine. I reset the SMC and PRAM. At this point the battery was showing at 0% when the OS (mavericks) loaded, and then after a few minutes the computer switched itself off completely and with no warning. The light on the charger was sometimes showing orange but didn't appear to be charging after several hours. The battery indicator was flashing 3 times on the first light then fading. It was not turning on at all now.
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Can you borrow a power adapter from someone and try that adapter with your machine? That would, at least, solve the problem or eliminate the power adapter as the problem.
If you have an Apple Store nearby, you should be able to get a free test and estimate for repair. It may be something simple, it may be something more complex. But if changing the adapter doesn't work, that's what I would recommend. If it is the adapter you're just going to need to buy a new one - and if you must do that make certain that you order a GENUINE Apple adapter.
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HT4628 My 20111 macbook pro will intermittently turn its wifi off

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