I have a little problem with my powerbook duo 280c/2300c.
The duo do not recarge the battery over 13.73V. The duo uses the battery, but when it have to recharge it, it fails. I need to use another duo, a 270c to charge the battery at all.
The battery recondition utility do not work (screen white with battery icon jumping for 9 hours...) and it is not a battery problem, cause my 2 battery works fine with the duo 270c (and the battery recondition utility works fine with the duo 270c).
If I charge the battery with the duo 270c, the battery works fine with the 280c/2300c, but when the battery is "empty" the duo 280c/2300c charge it only a little.
I try to reset the power manager in soft way, and hard way, toggling the battery, ps and internal battery. Nothing changes.
I have to add: 1) usually after a power manager reset the duo start with the brightness very 'white', out of scale. I need to reboot to have a normal contrast. 2) usually, if I put the brighness to the max, the screen 'flips' a little when the duo access the hard disk.
There is something I could still try? I think the internal battery is dead: this could be a related problem?
Thank you!
f. -- http://www.fabrizio.venerandi.net
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