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DjFIL DjFIL is offline
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Join Date: Oct 2008
Default MERGED AC power disables when battery hits 100% charge. - 10-31-2008, 05:39 AM

ALL DELL MINI 9 BATTERY CHARGING ISSUE THREADS HAVE BEEN
MERGED HERE


If your Mini 9 battery stops charging and doesn't run off the AC once it has reached full charge, you need to get your motherboard replaced.

There have been many theories that it's the BIOS, AC adaptor or the battery, but this is never the case. Your best bet is to get onto Dell Support and explain to them the problem and that you've tested it with various batteries and chargers (lie if you have to!) and that montherboard needs replacing. You'll need to do this within your warranty, otherwise this may cost you.

Take it from a man whose experienced this himself! Just get onto Dell Support right away!

~Dunhamzzz

Thread:

I'm trying to figure out what has started to cause this issue for me, if it's software or if it's hardware. This only reciently started happening. When my Mini 9 is running on AC Power, once the battery charge reaches 100%, the system automatically changes over to battery power. If I unplug the AC cord and plug it back it, it won't go back to AC Power... even if i wait 5-10 minutes and then plug it back in (so it loses a bit of the charge), it still won't go back to AC Power. Only once I reboot the computer with the AC cord plugged in, then it will go to AC power. Also if it has shut down with the AC plug attached, the power indicator lite comes back on (once shut down) as if it's charging via AC power again. This first under Dell's Ubuntu Mini OS.

I originaly had XP installed from the factory, I've upgraded the BIOS to A01 from Dell's support pages. I never experianced this issue in XP. I then installed OSX86... I only had it on for a short time (because of the sleep resume & built-in sd card reader issues), but I don't recall the issue ever occuring under OS X. I then found the ISO for Dell's Ubuntu Mini OS (netbook remix)... now I re-installed this OS a few times, as I kept trying to tweek the top panel and few other compoents (items that I took from canonical's offical netbook remix repositories), and I kept breaking it. I never noticed it in the earlier installs... but on the latest install (once i had everything configured to my liking) I now started to have the issue I've explained. I left it alone for a while as I was trying to find fixes for this issue. I noticed that an update had come out from Dell few days ago, I installed that, but it hasn't fixed my issue. Today with the release of Ubuntu 8.10, I downloaded that ISO and tried to install it. It installed with no issues (never got around to test the audio)... but I'm still having the same battery issue.

Tonight I'm going to first try and reinstall the Dell Mini OS and all it's new updates to see if it resolves the issue. If not, I'm going to try and go back to the original XP discs that were supplied with my Dell Mini 9. I really hope this is just a software issue. Has anyone else experianced this issue? Is there anyway to flash my BIOS back to A00?

Thanks.
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