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If the AC adapter type is None - Verify that the AC adapter is connected to the laptop and the wall outlet. If the AC adapter type is Unknown - Learn How to Troubleshoot AC Adapter Issues on a Dell Laptop. If the AC adapter type is recognized correctly, go to the next step. Charge the battery in BIOS mode or with the laptop turned off.
After a few troubleshooting steps the battery issue was resolved. This was the solution provided by Dell: "Please remove the battery and ac adaptor. Then press and hold the power button for 15 seconds. Now wait for 2 minutes. Please reconnect the battery and ac adaptor and power on the system.
Remove or Disconnect the battery from the system. Press and hold the power button for 30 seconds. Reconnect the battery. Plug the AC Adapter back to the wall and to the system. If the issues persist ask the customer to use the system on battery until the battery runs out, and then charge it for 4 hours with the system off. Back to Top
Press and hold the power button of your computer for 10-15 seconds to drain the residual power. Insert the battery in and connect the AC adapter. Then power on the computer and see if it works. If the issue persists, try the next step. 2) Check in system BIOS if the battery gets detected. Restart your computer and tap F2 at Dell logo.
But reading all these horror stories has me worried. Especially since eysterday I noticed that in my task bar there is a little red X by my battery indicator and a message pops up that says "no battery detected." I hardly ever run my system without the ac adaptor plugged in. I have ran off battery a couple of times with no problems.
Lastly, if the system has the easy to remove battery, I suggest reseating the battery by following steps below: 1. Power off system. Remove all peripherals, AC adapter, battery and then press the "Power On" button for 15 seconds to release Static Flea Power. 2. Replace battery, adapter, and then power on system. Hopefully battery is fix now.
January 18th, 2016 12:00. All laptops come with an internal battery and an adapter for power and recharging. Turn the computer over and look at the place where there is a latch and the input port for the adapter w/ electric plug. That is the battery. Pictures are here in the manual--.
5 months old lappy. Latitude 7480 no battery detected notification appear & rely on ac supply. but sometime battery well performed.
In the Command Prompt window, at the C:\Windows\system32> prompt, type in cd\ and press Enter this will return you to the root directory. At the C:\> prompt, type biosflashname.exe /forceit and press Enter. After answering YES to the User Access control prompt, the update should commence without the AC adapter warning.
Attempt to power on the system. Restart the computer to ensure the issue is resolved. 3. Battery Reset. Remove the panel and gently detach the battery cable (strip) and press the power button for 20-30 seconds. Make sure while performing this steps all the external peripherals should be disconnected.