Question about Apple MacBook Mac Notebook

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Apple macbook keeps freezing when i move it, bump it etc. i have to restart the computer. this is continuous. the last time this happened it started beeping 3 times. Help?!

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  • rebecca Apr 19, 2013

    I have a dead pixel on the screen, but thats been there for ages- ever since i had the computer (I'm pretty sure). so i would just be doing something on the computer and it would freeze OR come up with a 'please restart' black box. i would usually just restart it, and it would work until i bumped it or whatever again.

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  • Apple Master
  • 1,099 Answers

It sounds like your ram is loose, take it out and reseat it. If you look at http://www.ifixit.com/Device/Mac you be able to find out how to do this. Hope this helps.

Posted on Apr 20, 2013

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

Clearercape
  • 38 Answers

SOURCE: MacBook Screen Problem

Hi there
If I understand you correctly from start up the screen is dim but does brighten up after time? But now after start up you are getting a flicker how ever a restart solves this.

On the dimming issue. Check your energy saving settings and brightness key is working OK.

The flickering is a bit of a concern.

Just a couple of questions.
Are there any dead spots on the screen? Areas where there are no pixels.
When you tilt the screen forward and backward, does this effect the brightness or flickering?

Paul


Posted on Sep 04, 2008

  • 1 Answer

SOURCE: APPLE MACBOOK

If you get the Apple logo with spinning lines underneath it but not getting past this stage then the hard disc is being seen but something is failing in the boot process, causing it to stall.
Most likely this is a case of incorrect file permissions which is easily solved.
There are 2 ways of doing it, depending on whether you have an OS X install disc to hand or not.
IF YOU DO HAVE AN OS X INSTALL DISC:
Insert the disc into the DVD drive, power on the Mac on after hearing the chime hold down the C key. This forces the Mac to boot from the DVD. After a few minutes you'll get a screen asking which language you wish to use as the main language; select English or whichever is appropriate for you.
On the next screen the Installer box will appear. Ignore this and instead on the menu at the top of the screen select Utilities -> Disc Utility. Once this has loaded select your hard drive on the left hand pane and then first click "Repair Disc" and once that has finished click "Repair Permissions".
Once these have completed successfully reboot and OS X should load up fine.
IF YOU DON'T HAVE AN OS X INSTALL DISC:
This is a bit more tricky. You have to boot into single user mode. To do this power on the machine, and after the chime hold down Cmd (Apple key) and S together. The screen will turn black and an a load of white text will start appearing and scrolling upward as the system loads. Basically this is what happens behind the Apple startup logo, only in single user mode rather than multiple user mode.
After a few moments the text should stop scrolling and you should see a prompt which looks similar to:
localhost: / root#:
Note that localhost is the name of your computer so will possibly be different to "localhost". At this point type the following EXACTLY including spaces, capitalisation and dashes etc:
/sbin/fsck -fy
now press enter, then type:
/sbin/mount -uw /
now press enter then type:
diskutil repairPermissions /
and press enter. It may take a few minutes to repair the disc's permissions, but once complete you should have the 
localhost: / root#:

prompt again. Now type:
reboot
and hit enter. The system will then reboot and should boot into OS X without issue.

Posted on Sep 23, 2008

thehumble1
  • 137 Answers

SOURCE: beeping before booting

probably the RAM. Take it out and put it back in to check. You will need some RAM to boot, so try each stick separately if you can. I'm guessing though that you'll have to get at least one other stick of RAM to check. You'll probably find that one is bad. It's probably covered for life, but that would be a good reason to upgrade it.

Posted on Nov 19, 2008

  • 846 Answers

SOURCE: Macbook won't start!

Sounds like you have a broken hard drive, it's fairly easy to swap and there are macbook repair guides online that show you how to swap the part out.

Posted on Jul 09, 2009

  • 13 Answers

SOURCE: My apple macbook won't start

the beep pre-boot is signaling a kernel panic. It could be bad ram or something else, it's hard to tell without hearing the beep (they signify different things)
1 beep = no RAM installed

2 beeps = incompatible RAM types

3 beeps = no good banks

4 beeps = no good boot images in the boot ROM (and/or bad sys config block)

5 beeps = processor is not usable

taken from http://www.welovemacs.com/whdoallthbme.html
So depending on the beep, it means different things. However in any case I'd suggest taking it to an Apple Authorized Repair Facility. Unless you feel comfortable with assessing the proper solution on your own
Good Luck.

Posted on Feb 28, 2011

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