When AC wire is connected and when the laptop is not start up yet, the light for the wire connection is on (green light), and also the light for the battery is also on (red light). Once I press on button to start up the laptop, then the light for the battery is off. When the system is fully started, I check the AC power source and it is on battery instead of on AC power. The battery drain really fast. Within 15 minutes, it could drain from 90 % to 60%.
Is the AC power cord not functioning ? Or the battery is weak ? Or any other issue ?
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Step by step troubleshooting.
Verify power outlet is good
Verify power adapter is good
verify connection to computer is good
fully charge battery
Check power source, plug known good light into AC receptical.
If AC cord has connector to power block verify it is properly seated.
plug adapter into AC outlet
Verify Power is present at power connector with another similar computer or voltmeter. (12V to 20V)
When plugged into computer, charge (not power) indicator MUST light either red, amber, or green. If not, connector on computer may be broken.
leave overnight or until charge light is green
turn on normally.
most likely causes:
- loose connector
- broken wire from power adapter
- broken power plug on computer.
- anything else is probably beyond ur capabilities to fix.
from the web - 1 Removed the battery 2 Removed the AC power 3 Plugged in the AC power again Note:- At this point the light from flashing amber light to solid green indicating AC Power 4 Plugged in the Battery Note:- Solid green AC power light and Amber charge light
Make sure that there is a green light on the ac adapter. Try checking the end of the cable of the ac adapter and see if it is damaged ( the metal piece that connects into the laptop ). Also check the port on the laptop where you connect the cable of the ac adapter. If that is damaged then you have to request replacment of the motherboard if your laptop is still in warranty.
try connecting ac adapter alone without the laptop, check if ac adapter light will stay green or blue. try another power outlet using the ac adapter alone without the laptop check if the ac adapter light will stay as green or blue. if all fails replace ac adapter.
if ac adapter stays green or blue try connecting to the laptop without the batt, check if the ac adapter light will stay on, if yes then try connecting ac adapter to laptop with the batt plugin check if the light stays green. if not update the BIOS. if fails replace motherboard.
Unplug All External Devices Unplug the AC Adapter From the Wall Outlet. Disconnect the AC Adapter From the Laptop Reseated the power cable to the adapter. Remove the Battery Connect the AC Adapter Directly to a Known Good Outlet, But Not to the Computer Verify That the AC Power Adapter Has a Solid Green or Blue Light. The AC adapter status light is solid green. The AC adapter status light is solid green.Press the Power Button and Check for POST. Post means if you see the dell logo,remove the battery, plug the ac if still it wont turn on or doesnt have any light,Reseat the Memory if after reseatting the memory still the same problem it might be a bad motherboard.