MBP 2.4Ghz Penryn Magsafe LED light randomly on/off w/ sporadic charging

I have one of the February 2008 MacBook Pro's with 2.4Ghz C2D. I have had this thing for only 5 days and have noticed that the charging behavior has been sporadic.
Sometimes i plug in my MBP and the amber light illuminates to indicate charging, and 10 minutes later, the light is off - no light, not even green is illuminated. But the MBP indicates that it is plugged in and charging on the menu bar, as well as flashing LEDs on the bottom of the MBP/battery pack.
I have also noticed that sometimes when I plug in the MBP and place the computer in sleep then return many hours later, the LED on the magsafe is not illuminated at all, and the battery is still drained around the same amount as before I plugged it in. This has happened three times so far. This is an intermittent problem and not reliably reproducible.
I have already tried resetting the SMC. I guess I will call AppleCare... Anyone else have this problem?

That sounds like a faulty power supply unit ...

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I bought a penryn MBP in the summer 2008, and i had stable, and overall awesome performance.
One day the fps in WoW dropped from stable 80fps to 15fps. And i paniced, i thought it was the classic "8600m GT" overheating issue. And i reinstalled MacOSX trying to fix it via software. It didn't help.
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Hi SimElk,
It sounds to me as if you may be running a program with a serious memory leak of some kind (ie it uses more and more RAM the longer it is used) or possibly a background process that becomes a serious CPU hog when provoked..
Have a look at Activity Monitor both at the time when all is running smoothly and at the time when problems are occurring, and compare the following areas.
See http://support.apple.com/kb/TS1473 for basic instructions on using Activity Monitor for tracking down a CPU hog. To see if anything is using progressively more RAM as the problem begins to emerge use the "System Memory" , rather than the "CPU" tab in Activity monitor. Focus on the "Real Memory" column, rather than the "Virtual memory" column. You should also take a look at the "Page outs" and "Swap used" figures when the "System memory" tab is open.
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Hi all,
I have read past discussions on this but felt like there was no up to date one and no real issue was resolved.
I have a Macbook Pro 15-in Early 2011. Lately the battery has been bipolar and basically works when it feels like it. It is not an outlet issue because sometimes it will decide to work on a certain outlet and than another time it will not.
I have cleaned the charger and the part of the computer where it plugs in as recommended on the boards but that does not seem to be involved with the issue.
I was going to contact Apple Support but it is no longer supported and I don't feel like paying for an answer you all may very well know.
Charger is in good shape, I don't know why it's suddenly acting like this.
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You state the charger is good. What testing have you done to confirm this? Plugged the "good charger" into a different Mac and confirm it charges the other Mac w/o problems? Or maybe used a different charger with the problem Mac and it has the same issue?
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Help: macbook didn't charge, LED light is off!!!

My model is 2008 late 2.4GHz macbook and suddenly the magsafe LED light is off and can't charge the macbook. I took it to apple store, and after check they said this laptop needed to go further detection, which will cost at least $280 since i'm just out of my one-year warranty.
I found a similar problem post below without any clear resolution, and after reading it I found lots of these models had the similar problem, so i believe it is definitely the common problem for the 2008 late aluminum macbook series and the logic board might be broken. Does anybody else here have the same problem? We should unite and ask Apple to replace these defected laptop for us for free!!!
The former post is here:
http://discussions.apple.com/thread.jspa?threadID=1824683&start=0&tstart=0

First try an SMC reset:
http://support.apple.com/kb/HT3964
Do you have (or can you borrow) a spare MagSafe you can try charging with (any MagSafe will do). If a different MagSafe successfully charges your MacBook, then you need to buy a new MagSafe for your machine, as yours is toast.
If a different MagSafe doesn't work, either, then the problem is likely hardware and you don't have much choice except to have Apple or another service center work on it. You can search for an authorized service provider here:
http://www.apple.com/buy/locator/service/
Often the non-Apple Store providers will work a little cheaper. Good luck!

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If it is brand new then it is under warranty. Take it back. It's obviously a hardware problem unless there is a problem with the electric supply where you have it plugged in.

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Hi. I hope you can help me.
I have a macbook Pro 13", from september 2012, which crashed earlier today:
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The crashing has happened before, when I've been charging my phone through USB connections, but I've always been able to turn my mac back on.
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Try the SMC reset again:
https://support.apple.com/en-us/HT201295
Then try a NVRAM reset:
https://support.apple.com/en-us/HT204063
Then try a safe boot:
https://support.apple.com/en-us/HT201262
If no success, then you will have to take it in for service.
Ciao.

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MamaGG:
Call Apple Care (800) 275-2272.
Your computer is warranted for 1 year for Hardware and for 3 mos, I believe, for free phone tech support.
They may have you take it to the Apple Store near you for the "genius" to work on it.
Have you Serial Number handy. Locate it from the "Apple Icon" drop down menu on the left and side of the upper title Bar and open up "About this Mac" and open up "more info" and then "Hardware".
They have the best support in the industry.
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Okay... so i have this issue with my MBP where it will not power up.
The light on the magsafe does not show up at all when connected to the MBP. I have tried another magsafe but failed. I have not tried another battery so im not sure if that is wheret the fault lies.
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Hi s.cheslik,
It seems your MacBook Pro will not boot properly and it displaying an error message. Based on the information you have provided, it appears your MacBook Pro needs to be serviced. The following link should help you get started with the process and has links with additional information on topics such as warranty and service pricing, battery replacement, and express replacement service.
Apple - Support - Service Answer Center
Thank you for contributing to Apple Support Communities.
Take care,
Bobby_D

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Sorry if this has been asked before, I looked in some old threads but didn't find an answer...
When I plug the MagSafe adapter into my computer, the LED lights up for 2 secs when I plug it in and then goes out. I seem to be using my battery power.
But if I take the battery out, then the LED becomes green again and it is powered by the adapter once again.
I followed a troubleshooting article but no luck? Can someone explain what is going on here?

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MBP 2.4Ghz Penryn Magsafe LED light randomly on/off w/ sporadic charging

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