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Plugged in, Charging (not actually charging...)

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Thanks for the additional support Rustys (y)

So far I've tried uninstalling/re-installing the Microsoft ACPI items under device manager AND buying a new battery... but no luck.
You mention uninstalling/re-installing the Microsoft ACPI items in Device Manager, have you tried removing the battery when the computer has booted up, uninstall the drivers, restart the notebook, reinstall the drivers and then reinsert the battery while the computer is booted into Windows.

Bizarrely however, I took my laptop to work today and have plugged it in multiple times and I've just checked my battery and I'm at 78% now - I've been stuck on 48% since I started this thread.
Never thought to ask what % was showing, if you disconnect the AC adapter and use the notebook does the % reading drop at all.

What explanation could there be for the sporadic charging?
A faulty charging circuit on the notebook and/or the DC jack port, if there is a pin in the centre of the DC jack port on the notebook check that it is not bent or loose.
 
Sorry for the slow reply, guys!
You mention uninstalling/re-installing the Microsoft ACPI items in Device Manager, have you tried removing the battery when the computer has booted up, uninstall the drivers, restart the notebook, reinstall the drivers and then reinsert the battery while the computer is booted into Windows.
No, the battery isn't removable unless I actually unscrew it from the motherboard... should I try that?

Never thought to ask what % was showing, if you disconnect the AC adapter and use the notebook does the % reading drop at all.
Yeah, drops after a few minutes of use.

A faulty charging circuit on the notebook and/or the DC jack port, if there is a pin in the centre of the DC jack port on the notebook check that it is not bent or loose.
Ah, man, I was kind of hoping for a less expensive-sounding problem :p I've had a look down the charging port and the pin seems central, so I suppose that only leaves the charging circuit...
 
No, the battery isn't removable unless I actually unscrew it from the motherboard... should I try that?
If there is nothing holding the battery in place without inserting the screws then I would not suggest you tried the above.

If the battery charge % drops when the AC adapter is not connected at all then I would suggest letting the battery run right down until you either get the low battery charge message or the notebook shuts down due to the battery being out of charge, after one or the other has happened, hook up the AC adapter and see if the battery will fully charge.

Ah, man, I was kind of hoping for a less expensive-sounding problem :p I've had a look down the charging port and the pin seems central, so I suppose that only leaves the charging circuit...
Too early to be certain on this and you may need to have it confirmed by a local tech store, the fact that the battery actually charged up to 78% at work suggests that updating the BIOS will not fix this.
 
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