I have two Dell Inspiron 5150. Today when I unplugged the ac adapter, the computer shut off. I thought maybe it was the battery. I took the fully charged battery out of the second 5150 and put it in the faulty one. No luck. It works fine when it is plugged in, but as soon as I pull the plug, nothing. When I try to start on battery power, the fan starts for approx 5 seconds and then everything stops. Any suggestions?
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If it is orange or is blinking orange, the battery charge is low or expended. Remove the battery and re-install it. Plug in the AC adapter and connect it to an outlet. Turn on the computer.
When the battery status light blinks green and orange, the battery temperature is too hot for charging. Shut down the laptop, detach the AC adapter, and allow the laptop and battery to return to room temperature before attempting to charge the battery.
If the battery status light blinks orange rapidly, the battery itself may be defective.
try to remove the battery from the computer, after unplugging it, plug in the AC adapter without the battery and check if it will turn on. if it doesnt then 2 possible reason
1. the AC adapter is busted, you can try a known good Dell AC adapter. if its still now working with a know good AC adapter then
2. its the motherboard that needs to be replaced.
Hope this help
it could be that the ports where you plug in the charger is damaged. if you have an identical or a known good battery that is charged, try to install that and check if it works. you need a motherboard replacement if the system works with a charged battery.