Question about Computers & Internet
In this order:
Check (if yours is a Dell laptop) that it is a genuine Dell charger. An aftermarket one will NOT charge it
Then see if it is tight fit, if loose or sloppy, the jack is either the wrong size, or your port is worn. If the latter, you will need to get a new one put in (usually about 4.00 to buy)
Then check the light on the charger, if it is pulsing it means that the charger is not getting through to the laptop (power is being "spat back"), this indicates a faulty charging circuit
Finally, with a DC multimeter set to 20 volts, put one probe into the inner part of the DC JACK (the bit that goes into the laptop) and the other probe against the outer part of the jack. (Red to inner, black to outer). Check the power voltage is 20 volts. If not, the charger is faulty.
After that.. could be battery is unable to accept a charge, in which case replace battery, or there isa faukt on the motherboard.
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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