Latitude Not Charging with Unknown AC Adapter Alert Message
Summary: Resolving laptop not charging due to "Alert! Unknown AC power adapter, may affect performance" messages on the Latitude 3420, Latitude 3520, Latitude 3430, and Latitude 3530.
This article applies to
This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
The computer shows " Alert! Unknown AC power adapter, may affect performance" (Figure 1).
Figure 1: "Alert! Unknown AC power adapter, may affect performance" error message
Affected Platforms:
- Latitude 3420
- Latitude 3520
- Latitude 3430
- Latitude 3530
Cause
AC adapter cable is not fully connected.
Resolution
The error message can be resolved but ensuring the AC adapter cable is correctly connected to the laptop (Figure 2 & 3).
Figure 2: Not fully connected
Figure 3: Fully connected
Affected Products
Latitude 3420, Latitude 3430, Latitude 3520, Latitude 3530Article Properties
Article Number: 000218291
Article Type: Solution
Last Modified: 30 Sep 2024
Version: 3
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.