Bob's Notepad

Notes on projects I have done and things I have learned saved for my reference and for the world to share

Tuesday, May 06, 2008

Rapidly flashing light on MacBook

There seems to be a huge lack of information on this so I wanted to share it here. If all of a sudden your MacBook or MacBook Pro refuses to start and all you get is the rapid flashing sleep light then the problem is most likely related to the RAM. The MacBook tends to have RAM that is tough to install and, in mnay cases, you have to push the RAM into the slots MUCH harder than you would expect. Since this is the case it is also highly likely that the RAM wasn't 100% installed at the factory and simply the normal moving of the laptop can losen it enough to create this issue.

This isn't really a HOW-TO but just a bit of information for if your MacBook suddenly gives you the rapidly flashing light :)

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15 Comments:

Anonymous Esti said...

I just wanted to say thank you; this article came up as I was trying to troubleshoot a memory install, and I would never have guessed I needed to push harder!

18/2/09 10:03 PM  
Blogger edburns said...

Thanks for the post. Fixed my problem.

18/4/09 9:29 PM  
Blogger Zesty said...

you rock...that was exactly what had happened with mine...this was better and more to-the-point advice than even Apple's documentation!

29/5/09 8:26 PM  
Anonymous Matt, Columbia SC said...

Uh-May-Zing :)

It's been one of those days, and of course I would see those lights.

Thankfully the only GOOD thing that's come from today is your post. Thank you so very much. Exactly the problem.

26/6/09 12:04 AM  
Anonymous Anonymous said...

Ha. You rox. Happened to me. Just want to point out that on my mbp, it was impossible to push it in until I angled the memory at 25 degrees. Then it slid all the way in.

25/9/09 6:38 PM  
Blogger SK eleven said...

THANK YOU! I thought I was pushing hard enough...apparently not!

Saved me many hours of pulling my hair out! :)

31/10/09 7:55 PM  
Blogger Bob K Mertz said...

Glad I was able to help! I know the fear of "pushing too hard" and figured it would be nice to encourage other people that it's ok :)

10/11/09 12:55 PM  
Anonymous Anonymous said...

Thank you, this advise was spot on. Definitly had to push the ram into the slot alot harder, it then went in, much further then i thought it would.

25/12/09 4:47 AM  
Anonymous Anonymous said...

perfect! thank you!

29/1/10 8:46 PM  
Anonymous Anonymous said...

way to save the day

19/2/10 12:01 PM  
Anonymous Anonymous said...

First time I've ever posted anything. Who would have thought it would be after installing RAM on my wife's macbook. But indeed, you are a lifesaver. I had wasted hours before coming across this post. Pushing harder did the trick!!!

25/3/10 2:07 AM  
Anonymous Anonymous said...

THX!

30/3/10 11:17 PM  
Anonymous Anonymous said...

this post most definitely saved me from dying a little bit inside. my mbp is like a child to me. haha

9/4/10 8:40 PM  
Blogger Evan M. Smith said...

thanks you fixed my problem

27/5/10 11:50 PM  
Blogger Reuben Talbott said...

Thanks this fixed my problem.

31/3/17 6:25 AM  

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