11-18-2007, 10:25 AM

Hello, I have a 17" macbook pro.

After over a year of happy computing, my computer just turns off with no warning of a low battery. And in fact the battery is usually at 30 or 40 percent (in finder display, and also according to direct LEDS on battery).

I thought it was the battery so I replace it. Nope... still does it.
I thought it was a software problem, so I erased my disk and installed leopard... Nope still does it.

So not battery, not software. Anyone out there with an idea of what it could be?

Many thanks,

Kal

11-18-2007, 12:28 PM

Are you anywhere near an Apple store

You could it to the experts bar and ask them if there are any known issues with your MacBook

Must be a hardware issue with all the things you have already tried.

12-11-2007, 02:00 PM

I don't think that this is a hardware issue. DID YOU UPGRADE YOUR COMPUTER TO LEOPARD? We upgraded few macBooks and macBook Pros from tiger to leopard and since then all upgraded notebooks have the same problem: No low battery warning, once the battery has been drained it shuts down the machine.

I think it is a bug in OS X 10.5 and most likely we are going to see a fix for it shortly. Apple the new Microsoft: BUILD, SELL and FIX LATER...

05-20-2008, 11:55 PM

I went to Control Panel > Energy Saver and set it back to the defaults. I had set it to Never put the computer to sleep, and I haven't had a shutdown since I set it back to the 10-minute default.

03-09-2009, 07:03 PM

I am also having this problem. No warning and computer just loosing power shutting down even when battery length shows as 50-60%. I upgraded from tiger to leopard but ages ago and this has only recently started happening.

03-11-2009, 08:13 PM

Have recently started experiencing this problem. Tried reinstalling OSX, installing iFan control, resetting etc.
tried the suggestion from this thread on energy saving - still no turn offs for 20 mins. I literally had them every 3-5 mins! It is a disaster as I'm working on a project with hardcore deadline...