Macbook Pro wifi stops working, won't turn back on, requires restart to fix?

So for the last two days my Macbook Pro's being doing something very strange. At random times, the wifi will just stop working (as in it thinks I have wifi but no webpages load anymore and my dropbox can't sync) and when I go to turn the wifi off and back on (in an effort to restart the chip thinking it would solve the issue), it won't turn back on. I go into the System Preferences, hit "turn wifi on" and nothing happens. I hit it about 10 times and that does absolutely nothing. I've then tried putting my mac to sleep and waking it back up, which delivers even stranger results; The wifi turns back on, but can't find any networks, both using scan and manually inputting the details of my network. So far the only fix for it is to just restart my Mac and then the wifi works just fine like nothing ever happened (until it happens again, usually a few hours later). I'm currently running OS X Mavericks 10.9.4 on a 15" early 2011 Macbook Pro (MC723LL/A) with 2.2 GHz quad-core i7 and a 1TB Samsung 840 EVO SSD. The most recent modifications I've made are just installing GDB debugger and creating a custom certificate for it to be able to run Eclipse C/C++ IDE on my Mac, but I seriously doubt that would have caused the issue (especially since that was running for a few days before this happened). Has anyone else had a problem like this?

So many people are having this problem. I believe I have solved it. I posted it on another thread, but I will post it here:
First - let me say that I tried trashing the bluetooth preferences and restarting. That worked for about 10 minutes, then I also tried reorder the connections in Network Preferences, that didn't do much either.
Here's what worked: Open System Preference, click on "Energy Saver", uncheck "Wake for network access". This has totally worked for me. I connect flawlessly and immediately to my network and to my printer.
My order of connectivity of network devices is still ordered where Bluetooth is near the last of the devices. But really, try deselecting "Wake for network access"

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My macbook pro wifi stop working suddenly, and know appears a X on the wifi icon, what may have happened?

Hello,
My macbook pro wifi stop working suddenly, and know appears a X on the wifi icon, what may have happened?
Its seems to be the harware.

Hello raphaelitajuba,
The article linked below provides information regarding this indicator and steps that can help restore functionality to your MacBook Pro's Wi-Fi.
AirPort has detected a problem with the driver or a necessary sub-system component, apply the latest manual AirPort software update or reinstall Mac OS X. If reinstalling Mac OS X does not correct the problem, take your computer to an authorized Apple service center.
The AirPort status menu (AirPort Menu Extra) FAQ
http://support.apple.com/kb/HT3821
Cheers,
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I just had 2 MacBook pro's stop working completely. No previous issues. Won't even turn on when plugged in.

I just had 2 MacBook pro's stop working completely. No previous issues. Won't even turn on when plugged in. Any ideas?

See if a SMC reset will breath life into them:
https://support.apple.com/en-us/HT201295
If not, make an appointment at an Apple store genius bar for a FREE evaluation. Warranty status is irrelevant.
Ciao.

Iphoto on my macbook pro has stopped working. It comes up with a message saying that the library is either being used by another user or it is unreadable. Any ideas why I should be receiving this message?

MacBook Pro 2009
Model Identifier: MacBookPro5,1
Processor 2.4 GHz Intel Core 2 Duo
Memory 4 GB 1067 MHz DDR3
Software OS X 10.8.5 (12F45)
Iphoto '11
Iphoto on my macbook pro has stopped working. It comes up with a message saying that the library is either being used by another user or it is unreadable. Any ideas why I should be receiving this message?
"Your photo library is either in use by another application or has become unreadable"
Offered solution doesn't work:
Shut down and restart your computer, and then open iPhoto again. If the problem persists, try rebuilding your photo library. To do this, quit iPhoto, and then reopen it while keeping the Option and Command keys pressed. You can also try restoring your photo library from a backup.
I have already copied my photographs to the a library manager but when I tried to reuse iphoto and import the photos back into iphoto, it would not let me.
I can't download photographs from my iphone or my digital camera.
Any ideas on how I can solve this problem?
There is a possibility that when I went to update applications that I started to install Mavericks which I then interrupted and cancelled. I am not definite that this caused this problem but it was at about the same time as when this problem started.
Many thanks,
Ed

I have already copied my photographs to the a library manager but when I tried to reuse iphoto and import the photos back into iphoto, it would not let me.
You can't "copy" your photos to the "library manager", there is just no way to any such thing.
Option 1
Back Up and try rebuild the library: hold down the command and option (or alt) keys while launching iPhoto. Use the resulting dialogue to rebuild. Choose to Repair Database. If that doesn't help, then try again, this time using Rebuild Database.
If that fails:
Option 2
Download iPhoto Library Manager and use its rebuild function. (In early versions of Library Manager it's the File -> Rebuild command. In later versions it's under the Library menu.)
This will create an entirely new library. It will then copy (or try to) your photos and all the associated metadata and versions to this new Library, and arrange it as close as it can to what you had in the damaged Library. It does this based on information it finds in the iPhoto sharing mechanism - but that means that things not shared won't be there, so no slideshows, books or calendars, for instance - but it should get all your events, albums and keywords, faces and places back.
Because this process creates an entirely new library and leaves your old one untouched, it is non-destructive, and if you're not happy with the results you can simply return to your old one.
Regards
TD

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Normally - one would think that your RAM went bad if it's 3 beeps.
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HDMI port on Macbook Pro suddenly stopped working. How much is it to fix?

HDMI port on Macbook pro suddenly stopped working. Is it expensive to fix?

No one here can tell you what the prices are to repair things. We are just users such as yourself.
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You can take it to a Genius Bar for a FREE diagnosis, make an appointment first.
http://www.apple.com/retail/geniusbar
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Check that the cable you are using is good.
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. RESET PRAM:
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dtrewitt wrote:
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I was using Safari , 5 tabs open, when my macbook pro just stopped working .What can i do ??

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Macbook Pro wifi stops working, won't turn back on, requires restart to fix?

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