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| Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Charging laptop battery
In message , Adrian C
writes I don't know your laptop model, but some laptop manufacturers (namely Dell) are selling them with specific power supplies that ID themselves to the the machine before allowing charging. Sometimes the ID pin on the PSU connector or the equivalent on the laptop fails to connect / breaks. Sometimes there is no ID pin, they signal the charger serial number, capacity etc. over the power rail. -- Clint Sharp |
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