I have a Dell Vostro 3555 and recently I noticed that my battery is not charging at all. I see this message when I boot up the computer:
The AC power adapter type cannot be determined. You system will operate slower and the battery will not charge.
Please connect a Dell 65 W AC adapter or higher for best system operation. To resolve this issue, try to reseat the power adapter."
The laptop runs fine on AC power but doesn't charge the battery. I have tried the following after reading others with similar problems:
1) Disconnect AC
2) Shutdown
3) Remove battery
4) Connect AC
5) Startup
6) Under the Batteries category (in Device Manager), right-click the Microsoft ACPI Compliant Control Method Battery listing, and select Uninstall. Do this for each instance (I had 2 batteries installed, so 2 instances. Most users will only have 1).
7) Shutdown
8) Disconnect AC
9) Insert battery
10) Connect AC
11) Startup
This did not work then I found this question that was the same problem (different model) and it most likely was a hardware issue since the message appears when booting up.
This leads me to a few questions:
- Is this a hardware issue?
- If it is a hardware issue is there a way to override the warning and
charge the battery anyway? - If possible to override the warning and charge anyway is this safe
(or smart)?
Note: I do not have a second Power Unit to try but I do not believe this is the issue as this power unit is fairly new (I replaced the original about 3-4 months ago).
Answer
It sounds to me exactly like the warning says - the power unit is an after-market unit without the logic circuitry confirming its a Dell Unit, and possibly underspecced.
Coincidentally one of my co-workers gets this message on her [Dell] laptop (and asked me about it today), however her laptop charges fine, so its probably that their is not enough power. (ie the warning does not prevent charging, only warns that it might not charge, so to override it you just press "F1" and continue as normal).
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