Ac Adapter Type Unknown

This problem might be due to problem with ac adapter cable port or mobo.

Ac adapter type unknown. Ac adapter unknown plugged in not charging so i ve had a dead battery on my inspiron n5010 that would not hold a charge. There s a quite popular problem with dell notebooks. In this video how to fix ac adapter for laptop you will learn about common symptoms of a problematic ac adapter and ways to resolve ac adapter issues. If it works there or the replacement adapter fails to show up.

The ac power adapter wattage and type cannot be determined. Short introduction on how a dell power adapter communicates with the laptop the video might give you a clue how to fix the problem that causes the infamous message ac adapter unknown. If ac adapter type is unknown follow troubleshooting steps to resolve ac adapter issues. Dell adapter not detected.

Dell ac adapters have a central pin like a coax cable. Plugged in not charging. Verify the ac adapter type in the bios options. If the pin is broken or damaged the bios can t identify the adapter and won t allow charging of the battery.

If ac adapter type is none ensure the ac adapter is connected to the pc. But in my case the system normaly works i have this fault about 1 or 2 times a week and when i reconnect the adapter a couple of times to the notebook while having the battery page of the bios opened it runs fine again. Dell laptop pcs may use either a 65w 90w. Press f2 during startup go to the information item device info and watch the adapter type field.

I ve read this is mostly an issue of the mainboard. If not the field doesn t change for a few seconds and then reports unknown ac adapter. Plug the ac power adapter the field is updated instantly if the laptop can communicate with the ac power adapter. The only thing to do is to get a new dell ac charger from ebay.

First thing to try is a new oem dell adapter or test yours on a system not known to have the issue. I also noticed that when i plug in the dell 65w ac adapter that came with my computer without the battery as a temporary power source and the light on the ac adapter shut off. The pin identifies the adapter to the bios. Dell adapter not detected.

Battery is not charging ac adapter unknown first sorry for my bad english second i post this message for hi end m6700 6800 users that have trouble with their 240 watt power chargers. If ac adapter type is recognized correctly proceed to the next step. Plugged in not charging.