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Fujitsu lifebook t4020 battery connnection/charge problem

Battery window display says:
total battery power remaining: 0% (charging)

it never climbs abouve 0% and when unplug power cord, laptop dies immediatley. this just started yesterday aftw 2+ years of good service. same results with all 3 batterieis i have. i dusted contacts with a toothbrush to now avail.

seems like the batteries are not connecting to the laptop. Ideas? if it is a motherboard solder joint that came lose or something about how much to fix? maybe not worht fixing?

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So, "all three batteries" suddenly get this zero charge. That is VERY "incriminating". Almost 100% certain you have either a connector problem (most likely) or a power regulator circuit failure (less likely). Get a flashlight and magnifying glass, and look deep into the battery compartment at the connector. Almost certain there is some bent pin or other irregularity there. If so, be careful straightening it out. Disconnect PSU and still, be careful not to cross-connect two connectors. Even though PSU and battery are removed, there is still a small battery inside that keeps that circuit alive for clock and PRAM settings... don't want to short that circuit out. Work only on one pin/strip at a time. Hope this is the problem. Because if it is the regulator circuit -that is a motherboard matter. Major repair, usually not worth the cost. But I really think that scenario is unlikely, unless you caused some serious short recently. Let me know what you see inside.

Posted on Feb 11, 2008

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