Asmb012 battery update

The green light on the adapter lights up and it is obviously feeding power to the laptop as the battery life remains constant as long as the adapter is plugged in.

The battery also seems to recharge, either fully, or in part, when I leave the adapter plugged in and turn off the computer overnight. Any suggestions? Do I need a new adapter, new battery or both? If it doesn't solve the problem, then the mainboard needs repair or replacement. Is there any way short of purchasing a new AC adapter first to see if that is the problem?

If it's the mainboard, I've just wasted money on a new AC adapter. If this system is similiar to others I have worked with, my guess is the pcb in the battery is whacked--based on non-recognition of the battery being installed.

Or, it's the motherboard. Not recognizing the original charger points to some additional problem with the MB, I would say. Windows 11 Windows 10 More Here's some other info you might be looking for: If you get an error when trying to update, see Fix Windows Update issues.

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Sep 17, PM in response to cbui83 In response to cbui Condition: Check battery More Less. Communities Get Support. Sign in Sign in Sign in corporate. Browse Search. Ask a question. User profile for user: tarngerine tarngerine. Condition: Check battery I never had a battery problem before I read about advice to keep battery health up by chargining fully, then unplugging and using until the battery low popup appears, then charging.

I never got apple care. I just got this computer in January! Can I just take it to an Apple store genius bar and get it fixed free? More Less. Reply I have this question too 2 I have this question too Me too 2 Me too.

I made sure that the new battery had warmed up before putting it into the MacBook. As explained at Lithium-ion safety concerns , charging a cold battery is bad:. So I had to wait a few hours before I put it in and let it charge up. I then let it run on battery and watched the System Profiler as it discharged. Note that I just did typical work throughout all these tests - writing text articles, searching Google, reading RSS feeds.

I then watched it recharge. Apple says you need these discharges to calibrate the battery. The recommended procedure for the MacBook Pro model involves leaving the system off for five hours:. After cycle 4, I decided to do that.

In preparation, I set my system back to its default "hibernate to disk" mode:. I normally have that set to 0 hibernate to ram to make the "wake up" time quicker. That's safe to do when the system is plugged in, but if I'm going to let it fully drain as this requires, I want it on disk - just in case. The Mac fsck has never failed me before when I have accidentally let this die, but why look for trouble? I worked until it was forced to sleep. That was just about PM. At some point the system has to give up and shut down.

It was off in the morning, so I plugged back in and let it charge. Notice that the usable battery time increases with each cycle. Is it that the battery is learning how much reserve it really has or is it simply getting a better charge? Either way, my usable time is getting closer to that three hour spec. Again, I did normal work during the period. This should be very close to 3 hours now. It contains technical articles about Unix, Linux and general computing related subjects, opinion, news, help files, how-to's, tutorials and more.

We must be very careful when we give advice to younger people: sometimes they follow it! Edsger W. Apple's batteries page explains: A charge cycle means using all of the battery's power, but that doesn't necessarily mean a single charge. For instance, you could listen to your iPod for a few hours one day, using half its power, and then recharge it fully. If you did the same thing the next day, it would count as one charge cycle, not two, so you may take several days to complete a cycle.