Why did the screen on my MacBook Pro turn black and ask me to hold down the power button to restart and then when I restarted it. ALL the work i had done was gone???

How do I get back what I lost. When I was forced to shut down my computer?

None of us knows why your screen turned black - it's the most serious form of crash, and yes, almost all the changes that you didn't save are lost.
An exception are the audio recordings - they should still sit in the project package of your song. Locate the project in the Finder, ctrl-click it and select "Show package content". The Media folder will contain all your recordings.

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Why does my Macbook Pro keep telling me I have to hold down my power button until it shuts down and then restart?, Why does my Macbook Pro keep telling me I have to hold down my power button until it shuts down and then restart?

While transferring files from one external hard drive to another, my MacBook Pro routinely would freeze and often render a message to hold down the start button until it shut down and then restart. I have i7 why does it keep locking up?

You can go back to original hardware; run Apple Hardware Test even.
Remove 3rd party RAM ( much rarer I think )
USB printers, cables, devices and drivers.
What changed?
Also, this is not MBP forum.
http://www.apple.com/support/macbookpro
And if you are running Lion, head over there, or Snow Leopard OS X community.
FAQ kernelpanic
Avoiding eliminating Kernel panics
Mac OS X Kernel Panic FAQ

The screen of my macbook pro remains black and blank. I need help

My computer screens fails to come on at start up. It just stays black and blank. I have tried a couple of reboot sessions but all to no avail. Can anyone out there help me please.
Daddee

The only people that can help you are those at an Apple store.
Your Mac is broken and needs to be repaired. That is IF you get absolutely nothing on the screen after pressing the powwr button.

I am trying to hook my macbook pro to a projector, which has a VGA cable. I bought a VGA to HDMI adapter, but whenever I hook it up, the screen on my macbook just goes black and I can't make it do anything else or even show up on the projector.

I am trying to hook my macbook pro to a projector, which has a VGA cable. I bought a VGA to HDMI adapter, but whenever I hook it up, the screen on my macbook just goes black and I can't make it do anything else or even show up on the projector.
My laptop is still on; it just has a black screen that I can't get rid of without shutting down the computer by holding the power button.

Hey there lynmrigg,
It sounds like have an HDMI to VGA adapter connecting your MacBook Pro and your projector but the screen on your computer goes black and no image appears on the projector. I would use the troubleshooting in the following article to help resolve or isolate the issue here, named:
Apple computers: Troubleshooting issues with video on internal or external displays
Try unplugging the video adapter or cable and then plug it back in.
If more than one video adapter is in use (or "daisy-chained"), troubleshoot by using only one adapter.
Example: A mini DisplayPort to DVI adapter connected to a DVI to HDMI adapter is an unsupported configuration because there is a series of adapters in use.
If available, try using a different display and or adapter (or use a different connector by using DVI instead of VGA, for instance).
Reset the system
You can reset the Mac's parameter RAM and SMC.
Reset the resolution
Start by resetting the Mac's parameter RAM. If the display does not come up, was previously set to an unsupported resolution, and still results in no video:
Start up in Safe Mode.
From the Apple () menu, choose System Preferences.
Choose Displays from the View menu to open the preferences pane.
Select any resolution and refresh rate that your display supports.
Restart your computer.
Thank you for using Apple Support Communities.
Take care,
Sterling

I have a very tiny, fuzzy black speck on the screen of my Macbook Pro 15".

I have a very tiny, fuzzy black speck on the screen of my Macbook Pro 15". It doesn't resemble dead pixels I've encountered in the past (it is only visible behind a white or brightly colored background), and I'm positive it isn't sitting on the surface. The computer is only a year and a half old and my software is up to date.

Hi austinbread,
It is hard to tell exactly what your issue with the MacBook Pro’s display is, but it is possible that there is a pixel anomaly. See this article for further information -
About LCD display pixel anomalies for Apple products released in 2010 and later
http://support.apple.com/kb/HT4044
Thanks for using Apple Support Communities.
Best,
Brett L

A bug is stuck, and dead, in the screen of my MacBook Pro.

A bug crawled up under the screen of my MacBook Pro and has died there. Is there any way I can get it out? Or should I just keep looking around it?A

Take the computer to an Apple store or an AASP. Whichever is more convenient for you.

The screen on my MacBook Pro Retina has horizontal lines and has a brightness flicker every few seconds since june 2013 upgrade of airport utility.

The screen on my MacBook Pro Retina has horizontal lines and a flicker every few seconds this happened after this weeks Airport Utility 6.3 upgrade.

Hi John,
I would take your machine into a Apple service center. Its highly likely a hardware issue. The most likely issue being the display has failed. If there is no external damage to the machines display they will replace the whole display under warranty for you.

Is it possible to mirror the screen on my iPhone 5s via apple tv onto the screen of my macbook pro

Is it possible to mirror what is playing on the screen of my iPhone 5s via Apple TV to the screen of my Macbook Pro?

if it is running OS X Yosemite
Step 1
Connect your iPhone directly to your Mac using your Lightning to USB cable.
Step 2
Open QuickTime Player and choose File > New Movie Recording
Step 3
Select your iPhone as the Camera using the dropdown menu to the right of the record button
Now your phone should be mirrored onto your Mac.
You do not need to use the Apple TV

When I turn on a video the screen on my MacBook Pro freezes. I've been through Apple Care and they couldn't fix the computer. I think the fan and the graphics are the problems

When I turn on a video the screen on my MacBook Pro freezes. I've been through Apple Care and they couldn't fix the computer. I think the fan and the graphics are the problems. I can restart after two attempts. Sometimes I use SAFEBOOT

Please advise the model MBP you have and the OSX you have installed.
Also try a SMC reset:
http://support.apple.com/kb/ht3964
Ciao.

Hello THIS IS RAZA I GOT A MACBOOK PRO I HAVE A PROBLEM. PROBLEM IS how to solve this problem i have uploaded in .... all the time few days later on i face this problem in safari..... anyone can help me please.....thanks Screen Shot 2015-03-21 at 10.

Hello
THIS IS RAZA
I GOT A MACBOOK PRO
I HAVE A PROBLEM. PROBLEM IS how to solve this problem i have uploaded in .... all the time few days later on i face this problem in safari..... anyone can help me please.....thanks

This is a scam. Do not phone these people, at best they will charge you for unnecessary 'cleaning' and at worst they will gain access to your Mac and steal your data. You've probably managed to install some 'adware' which is producing this fake warning. 'Adwaremedic' should remove it and is safe to use - please see
http://www.adwaremedic.com/index.php

I wanted to calibrate the battery my new macbook pro turns off

You should perform this procedure when you first use your computer? is this true? new macbook pro on may 11 2010 what happed was today on may 22 2010 i wanted to calibrate the battery my new macbook pro turns off when it runs out of battery. 3 times Typically, when macs run out of battery, they go into sleep mode. However mine skips this completely and just turns off. WHY? does this mean the battery is bad?
Resetting the PRAM (http://docs.info.apple.com/article.html?path=Mac/10.6/en/26871.html) fixed the problem in my case. then i did the calibrate the battery again this time it went to sleep not shut down i did this 3 more times why?
the 3 forced shut downs without entering SafeSleep. with logs indicating improper shutdown, will that cause severe corruption to the os and do i have to reinstall the os now?2.66 ghz 2010

the 9 more 4 in 10.6.4 forced shut downs without entering SafeSleep. with logs indicating improper shutdown, will that cause severe corruption to the os and do i have to reinstall the os now?2.66 ghz 2010 but if it happens again you should try
i hate to do this reinstalling the OS, if this do not work also, then you should call apple, or take your MBP to an apple store. on june 24 2010 i am going to talk to spence about this. so what do i do now? this happed on june 16 2010 4 more times
without entering SafeSleep. only one time it worked on 10.6.4
You should perform this procedure when you first use your computer? is this true? new macbook pro on may 11 2010 what happed was today on may 22 2010 i wanted to calibrate the battery my new macbook pro turns off when it runs out of battery. 9 times Typically, when macs run out of battery, they go into sleep mode. However mine skips this completely and just turns off. WHY? does this mean the battery is bad?

MacBook Pro turns on but will not load. Battery will power up and charge. The PRAM second start up seems to work, but the Apple timer continues add-infinitum. There is also a disc in the laptop so I can't load re-load software OS 10.6.1. How do I resolv

MacBook Pro turns on but will not load. Battery will power up and charge. The PRAM second start up seems to work, but the Apple timer continues add-infinitum. There is also a disc in the laptop so I can't load re-load software OS 10.6.1. How do I resolve this problem?

Try booting in Safe Mode by holding your Shift key down when booting. Also, try holding the eject key down when booting to eject the DVD. If you plug a mouse in and hold the clicker down when booting, that should eject the DVD.
17" 2.2GHz i7 Quad-Core MacBook Pro  8G RAM  750G HD + OCZ Vertex 3 SSD Boot HD 
Got problems with your Apple iDevice-like iPhone, iPad or iPod touch? Try Troubleshooting 101

The screen on my iPhone 6 turns black when on a call

The screen on my iPhone 6 turns black when I am on a call (and then I cannot end the call)

My iPhone 5s did the same and my company sent me a new one. That one had the same problem. I am now being told by my company that it is an app that I have loaded that is not compatible with the IOS update. They sent me an iPhone6 and advised me to only add my apps one at a time to see which one is causing the problem. Verizon, I was told, has been working on the problem as well. Don't know if all this is true but sounded right to me.

The screen pn my iphone 5 turns black

The screen in my iphone 5 turns black . My cel provider has changed it 5 times and after a week or two it does it again. It stays black until i receive a call or msg. Is this normal

no
take back up and restor it!
or reset all settings from:
settings - general - reset

I upgraded to IOS 7 and now I can't get my Hotmail account on my phone. When I type in all the information, I get "Unable to Verify Account Information". How do I get to use my Hotmail account using this software????

I upgraded to IOS 7 and now I can't get my Hotmail account on my phone. When I type in all the information, I get "Unable to Verify Account Information". How do I get to use my Hotmail account using this software????

I have had the same problem as yours on my Ipad after upgraded Procreate 2.01. My iOS is 7.04. I tried to find solution from internet for weeks. Fortunately, the problem was resolved a few minutes ago. It is very simple,
1. Lunch outlook.com to confirm you can access hotmail mailbox. It means your account is Ok.
2. Go to setting>Mail,Contacts,Calendars.Delete your hotmail account from your device.(my device is Ipad)
3. Turn off your device, then turn on again.
4. Go to setting>Mail,Contacts,Calendars and create your hotmail account by tap outlook.com. Be sure the incoming mail server is pop3.live.com.
5. Waiting for validation.
That's all. Hope my experience is helpful. Good luck!
Nelson

Why did the screen on my MacBook Pro turn black and ask me to hold down the power button to restart and then when I restarted it. ALL the work i had done was gone???

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