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The battery on the Dell Pro Plus or Pro Premium laptop continues to discharge with the AC adapter connected. This happens when the P3424WEB external monitor has its own power source and is connected over a USB Type-C cable to the laptop. Affected Platforms: Dell P3424WEB Dell Pro 13 Premium PA13250 Dell Pro 14 Plus PB14250 Dell Pro 14 Premium PA14250
A power delivery (PD) communications gap between the monitor and platform means that it fails to negotiate a power contract over the USB-C cable. This prevents them from working or charging correctly.
Note: Before starting the update, perform the following: Back up all personal data. For more information, refer to: Back Up and Recovery Connect the AC adapter. Resolve this issue by updating the firmware on the monitor, or updating the laptops BIOS to the most recent version: Update the monitors firmware: Updating the firmware to version M2T108 on the monitor resolves the issue. To download and install the Dell_P3424WEB_FWUpdate_M2T108_Windows.exe file, refer to: Driver Update Guide Update the laptops BIOS: Updating the BIOS to version 2.7.4 or later on the laptop resolves the issue. To install the Dell_Pro_PA13250_PA14250_PB13250_PB14250_PB16250_2.7.4.exe file, refer to: BIOS Update Guide
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