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Since the system is not working ion both battery and the adaptor it could be a faulty motherboard.. Call dell @18006249896 if you are in warranty.. Contact local tech if thr\e system is out of warranty....
Things to check:
1. AC adapter cord, esp close to the brick. Does the green light come on the brick? If not, replace the adapter.
2. Reseat battery. Check the battery charge by depressing the battery indicator button on the battery. Does it have a good charge? If so, then it could be the connection to the mother board causing the issue. If not, then replace the battery.
3. If both the battery is good and the AC adapter is good then you are looking at a mother board issue.
If the system doesn't recognize a the AC adapter, a BIOS flash will not run as system needs to ID the battery any AC to run the flash.
Try a different AC adapter if one is available. The system IDs the adapter by the pin in the center of the DC connection to the system. If the pin is bent or missing, then the system cannot ID the AC adapter and the Battery Charger is disabled.
If issue occurs with a new or known good DELL Branded AC adapter (Any Dell D Series adapter should work on system) then the motherboard is bad.
Since you did factory install, Might probably that's the recovery partition you used, Try to restart computer, if does not work, turn it off, unplug ac adapter and battery then drain residual power of laptop by pressing the power button for 5 secs, then put the ac adapter and battery again. If it still doesn't work, try to run diagnostics first if it fails then you'll need to replace a part, if it passes then you'll need to do operating system re-installation manually.
On the ac adaptor, look for a green light that will turn on when you plug it into the wall outlet, if its on that means the ac adapter working. If you get a green light on the ac adapter but then the green light goes away when you plug it into the laptop then that means the laptop has a bad motherboard.
If you plug the ac adapter into a wall outlet and get no green light then that means the ac adapter is bad and you would need to get another one.
The loose connection for the AC adapter means the motherboard needs to be replaced or the AC adapter jack on the motherboard needs to be replaced. (With Labor, it is about the same cost to buy a new motherboard as it is to have the old one fixed)
Motherboards are available on EBay for around $100
If, when not plugged into the system, only the wall, the AC adapter LED doesn't come on and the adapter beeps, then it has failed and will require replecement. If the computer is still under warranty, the adapter is covered under the warranty.
If not covered under warranty, then buy a new AC adapter.
If the LED comes on when not plugged into the system, but goes out when connected to the portable, then the motherboard may be bad.