My macbook pro screen flickers and crashes computer - what is the problem

All of a sudden my macbook pro computer screen started flickering. Once this happens the computer freezes and it needs manual reboothing. Sometimes it comes back, buy it requires several reboothing attempts to get it going. What could be the problem, and how to fix it.

The proper diagnosis and fix will found at an Apple store genius bar. It is a GPU, display or display connection issue.
Ciao.

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I'm buying a new Macbook Pro this week and am wondering what is the best way to copy over the software I have from my existing Macbook Pro to the new one? eg. Photoshop and Office etc. I no longer have the CDs.

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Ya know what I'm on a brand new MBP just about 24 hours old and you know whats been working amazingly for me. I have a 27inch iMac as well and i've just connected it to my network and been dragging files and apps across the network onto my new MBP. Its really working fast and its flawless. You could always do that option, Just go into sharing options and turn them on for both Macs. Then just click and drag. Of course they have to both be on the same network for this to be possible.
Look at my network.
Shared is what your looking at. I click on there see all my computers files and then drag the ones i want form its folder to my MBP folders. Hope that helps if your looking for a very simple way on a wireless network.

What is the difference between the model Apple MacBook Pro MD313BZ / A and MD313LL / A, what is the difference between the model Apple MacBook Pro MD313BZ / A and MD313LL / A

what is the difference between the model Apple MacBook Pro MD313BZ / A and MD313LL / A, what is the difference between the model Apple MacBook Pro MD313BZ / A and MD313LL / A

Look at this support page regarding the identification of MBPs.:
http://support.apple.com/kb/HT4132
Note that the two letter before the '/' represent the country that they have been manufactured for.
Ciao.

MacBook Pro screen flickers and freezes after Snow Leopard/Safari 5 updates

Hi guys,
I have a silver 120GB 15-inch MacBook Pro from Summer 2007 with 3GB RAM and 25+GB free space which has recently begun to freeze irrecoverably. The first appearance of these symptoms seems to coincide with my installing the Snow Leopard 10.6.6 update via Software Update.
I'm not particularly well versed in computer technology, but will try to describe my problem as detailedly as possible.
What happens is this:
1. I start the computer as per usual, with only a couple of startup items. Everything's fine.
2. I start working. Use a lot of Safari 5 for browsing websites, often with some kind of Flash or "Flash-type" content such as banner ads, videos, even full Flash designs. I may also have programs such as QuickTime, VLC or an image editor open, if not necessarily "actively" doing anything. Everything's still fine - I'm able to both browse websites and watch videos as usual.
3. After a while of active working - say, 1-3 hours - I notice browsing websites gets a little choppy. Display features such as the file list view in Finder may or may not appear properly. The rotating wait cursor may or may not appear from time to time.
4. Immediately after symptom no. 3, the next time I start to watch a video, either via Safari 5 (say for example something on DailyMotion.com) or a file via QuickTime, something goes wrong.
Following no. 4, one of three things invariably happen:
5a) The video freezes and the entire screen flickers from black to the screen view very quickly two or three times, after which the computer or screen appears to freeze. The cursor still moves, but nothing reacts to it - open windows become completely unresponsive, nor does the top or any other menu react in any way to clicking. The "menu row" of application items, which normally appears when I move the cursor to the very bottom of the screen, doesn't appear. Restarting "blindly" by pressing the Off-button once and pressing R doesn't work. I'm forced to do a hard reboot, after which the computer is once again fine until the next two hours of active working. This usually happens ONLY when I try to watch a video in Full Screen-mode.
5b) I notice the video freezing only just in time, and am able to pause it and "esc" out of Full Screen-mode, and the computer remains operational. However, as soon as I again try to play video in Full Screen-mode, everything described in 5a. happens.
5c) The video stops playing, and the screen reverts momentarily to pale blue before switching to the login screen. I login again with my details, and everything appears to be fine again until the next two hours of active working. The computer "starts up" a lot faster than with a hard reboot. This usually happens ONLY when I've tried to watch a video in its original size, i.e. when not in Full Screen-mode.
This happens 1-4 times a day, and it appears to depend directly on how much work I've been doing on the computer. The less I use it in the course of a day, the longer it takes until the next time it freezes.
So, in a way, I'm able to replicate this problem. 95% of the time the screen has frozen while watching or starting to watch (usually already when starting to watch) video footage, but it has also frozen a couple of times just switching between e.g. Safari 5 and an image editor or browsing a website with a Flash banner ad or embedded video content (which however hasn't necessarily been playing); today, the screen froze when I tried to open a website made entirely with Flash.
Although it could be just a coincidence, I believe this issue first appeared when I updated Snow Leopard to 10.6.6 via Software Update alongside some other pending updates, including as far as I recall one for Safari 5. The update process appeared to have gone well at the time, though, and was not interrupted in any way. I have never had this specific problem with the computer/screen before, though.
I've read a couple of threads here regarding very similar issues with newer MBP models than mine, in which it has been suggested that the fault may lie in a malfunctioning NVIDIA GeForce graphics card. Now I've had that replaced already once because my screen went unexpectedly completely blank after a forced reboot 1-2 years ago (I don't remember exactly), but according to my System Profiler info the card still a GeForce 8600M GT. Can it be failing again?
I've also had some kind of a RAM card failure once. As far as I understood it, one of the RAM cards had fried and was preventing the computer from starting up. I replaced the bad 1GB card with a new 2GB one and the problem was resolved. Before the computer died, there were also other symptoms, but they were not similar to these.
I'm also doing the Apple Hardware Test tomorrow. Any other suggestions, though, than the graphics card?
*Could this have to do with Flash or Safari 5?* Just hear me out. Even though my computer has frozen from watching a video in just QuickTime, Safari 5 has always been open in the background at the same time, and more likely than not with websites with "Flash" content open. And come to think of it, before I performed the Snow Leopard and Safari 5 updates, I used to have daily problems viewing Flash video in Safari 5, the video content either suddenly showing up as "Plug-in Failure" or crashing the browser; I've had both Safari 5 and the Safari 5 Flash plug-in "quit unexpectedly" countless times in the past, almost daily. Sometimes the "Plug-in Failure" could be fixed just by refreshing the browser view; at other times, Safari 5 would stop showing Flash content altogether - Flash banner ads (such as Google ads), YouTube and other Flash videos, everything - until I quit and restarted Safari 5. BUT - since the day I updated everything via Software Update, I don't remember this happening; it never gets to "Plug-in Failure" now. Could it be worth trying to use e.g. just Firefox for a while or is there something (e.g. Adobe Flash) that I could try reinstall? Or am I just clutching at straws here?
Thanks for reading this long, long post!

Do you have access to an Apple Store? If so, it may be worth making an appointment at the genius bar and having them run the test for the NVIDIA problem. Since your replacement logic board still has the NVIDIA GeForce 8600 M GT video chip, it could be starting to happen to your replacement logic board.
I also agree with all of CMCSK's suggestions. Freezing is often associated with hard drive problems. You might also want to run SMART Utility:
http://www.apple.com/downloads/macosx/systemdiskutilities/smartutility.html
You can download the demo and run it several times for free. It will give you a very comprehensive view of the physical health of your hard drive. If you still have the original one from 2007, it's getting pretty long in the tooth and may be approaching the end of its average useful life of 3-5 years. I just recently had to replace my original 2007 Fujitsu drive.
If your drive is headed south, and is also too small, it may be time to upgrade to a larger and faster drive.
The software update probably didn't cause the problems, but it may have exposed problems that were already in existence.
Good luck!

The blue screen appears and everything quits, what's the problem ?

Hello !
I would like to have some help or info. I have a problem that started a few weeks ago. Sometimes, my OS X quits, the screen turns to blue (with the color pinwheel) and then it goes back to the desktop. This problem doesn't only occur with applications. It happened when I threw something in the trash.
I'm using Mac OS 10.2.8 on an iMac DV 400 mhz. I only have 192 mb of RAM. That could be part of the problem.
I've looked in other discussions to find an answer, but I did not really find one. Can someone help me please ?
Thank you !!
iMac DV Mac OS X (10.2.x)

Well, at least you've ruled out some more possibilities.
First, two more pieces of advice: it shouldn't be causing this problem, but under normal circumstances, there is NO reason to power off your computer. An easy way to let it sleep during the day is via System Preferences, Energy Saver. You may also want to use the Desktop & Screen Saver option in System Preferences, if you haven't already.
Second, why are you powering-off your modem at night? As long as you have your firewall on you should be protected. Remember, this is a Mac, NOT a vulnerable Windows machine! (Your firewall is on automatically when you get your Mac. Check the Firewall pane of the Sharing option in System Preferences to be sure.)
OK, on to more possibilities:
Do you have File Vault on? I've never used it, and don't know much about it, but it does sometimes cause problems. If you can, try turning it off temporarily and see if anything changes (System Preferences, Security).
In an earlier post, you said you'd done "most" of the system maintenance things. Your difficulty sounds a bit like it might be a permissions problem. If you haven't repaired permissions, do so.
Are you still having the problem when emptying the trash? If so, do you have more than one user? If not, set one up temporarily. See if the other user(s) have the same problem. If not, the next item is probably true.
Another possibility is a corrupted Finder preferences file. Find the com.apple.finder.plist in your library/preferences folder. Move it to the desktop temporarily, then close all finder windows and re-open one. Now try emptying the trash again.
Are you using the "regular" empty the trash option, or "secure"? Try the other and see if anything changes. Do you use the "warning" before emptying the trash? If not, turn it on temporarily. Now empty the trash and note just where the problem starts ... before or after the warning?

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So I seem to have the problem that many other people have with the late 2008 Unibodies with the 9400m where the screen flickers every once in a while. I didnt pay attention before because it happened like once a week, but this morning it started happening every couple of minutes.
The bad part, my computer is out of apple care =/ How much do you guys think it'll cost me to get this fixed at apple? Also, if I do get it repaired by them, will I have any warranty after the repair so this issue does not happen again? Because from what I've read, when people sent it in for repair, sometimes it didn't get fixed.
Thanks guys.

Gallus.T wrote:
My question is that what i should do right now?? I bought this computer because I thought macbook pro is more reliable than other labtops,
MacBook Pros are the most reliable notebooks on the market today. However, every product line has its' lemons.
but I am so dissapointed with it right now. It already pass the 14 days to return the computer, what if the problem is still there when i get my macbook back?
I would call Apple Customer Relations.
I have noted the number for the US department herein.
Apple Customer Relations (800) 767-2775
Good luck, and let us know!

Re: Yoga 2 Pro - Screen Flickering and Screen Blanking

sarbin wrote:
Moderator comment: Several posts were removed for contravening the Community Rules:
"No vendetta posts, or online campaigning. It is acceptable to state concern for how a particular Lenovo policy, performance, or procedure does or does not meet the expectation of a particular member, but it is not acceptable to use this forum in an attempt to broadly organize or incite members en mass, to cancel orders, return systems, undertake legal action or otherwise disrupt the normal business processes of Lenovo."
Rather than telling us what we can't do...how bout, as a mod, help by empathizing and perhaps suggesting solutions of courses of action for us.

kbonura wrote:
I still feel like you can offer a suggestion rather than simply sweeping in and exerting your mod authority. This is a major issue that at this point there is no real evidence of lenovo addressing.
Are you an owner of a yogo 2 pro? If not, then you have no idea. You can't sit back and defend lenovo by modding us or hindering any potential efforts via discussion. You can't in good concience sit back and believe this to be ok.
Regarding paragraph 1:
1- If I had a suggestion to offer, I would have done so.
2- The moderation done to the thread (and the post moved here) was to apply conformance to the Guidelines.
3- Please see: http://forums.lenovo.com/t5/Idea-Windows-based-Tablets-and/Yoga-2-Pro-Screen-Flickering-and-Screen-B...
Regarding paragraph 2:
1- I have a Y2P, but don't have the issue described in the thread.
2- The moderation applied was not a defense. It was an application of the Guidelines.
Finally, again from the Community Guidelines, please recall:
"Extended debate with moderators or admins over their decisions with regard to moderation of posts is considered trolling."
Please feel free to continue the discussion, on-topic and within the Guidelines, in the ongoing thread.
Regards.
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I am not a Lenovo employee.

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My macbook pro screen flickers and crashes computer - what is the problem

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