Dell Inspiron Laptop Intermittent Power Problem Repaired
Received a Dell Laptop for intermittent Power Problem.
Customer stated when he moves the laptop it goes off and again when powered it ON, Display screen shows always windows recovery screen.
When I checked the laptop I did not found Battery. Customer is using the laptop without battery.
So reason for recovery mode is because laptop is suddenly goes off without shutdown process when it is in process so sudden failure in process make laptop in recovery mode.
Now I have to find the Culprit for the power failure. I checked pin and wire of power adapter for physical damage from outside it seems ok. So for reconfirming I used another laptop adapter for testing.
I plugged the charger to laptop and turned it ON. While little shaking of pin laptop goes off. That confirmed problem is with laptop itself not with the Charger. Physical Checked charging socket from the outside seems ok.
Now it is time to open the laptop for further inspection.
See the Dust in side…………………………….
Cleaned the Motherboard. For removing the Charging socket you have to totally disassemble the laptop.
After removing the motherboard there is another small card with charging port.
On opening I found broken studs and Brass inserts. Plastic parts are brittle because of degrading. Removed charging socket circuit.
On visual inspection I did not found any physical damage but having some doubt on solder joints so revived solder of socket.
By connecting charger pin to the circuit I reconfirmed the socket for any shorting. Because this adapters are having short circuit protection in side. so if it found any shorting in motherboard, charger will turn off immediately.
Now I have reassembled the laptop for the testing and turned it ON. Now problem is fixed and it is not turning off while shaking the charger pin or on movement of the laptop.
So culprit is Dry solder of the charging port ………………….
This article was prepared for you by Yogesh Panchal who works as a Computer Hardware Engineer in Mumbai India.
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