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Acer lap top green light to power cord on will not power on lap top, light for battery is on when you depress the power buttong it starts to turn on then shuts off
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Measure the voltage at the terminals of the battery in the laptop. If there is no supply then the power section in the lap tops main board is faulty and needs a check.
However if there is voltage then the battery must be checked if this has failed to charge and is defective. check if the cord from the adapter is not short as it will result in DC power cut off.
do static discharge
disconnect battery and all peripherals. disconnect from mains. press power button and hold for 30 sec.
Connect to mains and try to turn on again
If it will not start - mainboard needs replacement
thanx
A fast check to determine whether you have a problem with the power adapter, power cord or the laptop's battery is to turn off the laptop, remove the battery, connect the power adapter, turn on the laptop & see if it works. If the laptop works directly from the power adapter with the battery removed, then the power adapter is good. In this case we can suspect that the battery is defective.
Try to check if your AC adapter has a light itself. If it the light is off. Then try a known good adapter. If the AC light is green, then try to wiggle the cord from the port and see if it ain't loose. Try to also check if the AC pin is not bent or broken.
It could be one of three things. It could be a bad battery, a bad ac adapter, or the recharging circuitry could be bad. I would try pulling the battery out, and see if the laptop will startup and run strictly off of the ac adapter. If that does not work, you have a bad ac adapter. If that works, and the battery has any charge left, try running it strictly on the battery. If it doesnt work, you have a bad battery. If it does work, the circuitry is bad and you will probably need new motherboard. One other thing you can check is where the ac adapter and battery plug into the laptop, and make sure there is no corrosion that could be causing a short.
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