The monitor will usually power cycle itself once the update reaches 100%. Troubleshooting Common Update Failures
You can browse specifically for the Dell U3824DW Firmware Update Package .
Resolves intermittent flickering or "jumping" at the top edge of the screen.
Fixes lag when switching between two different PC inputs. Step-by-Step Installation Guide
The "fixed top" issue often refers to a persistent UI element or a hardware-level synchronization error where the top pixels of the display do not refresh correctly. Updating to the latest firmware (such as version or later) is the primary fix for these symptoms. Common Fixes Included in Recent Updates:
Official packages are available for Windows, macOS, and Ubuntu. Fixing "Fixed Top" and Performance Issues
Launch the utility. It will scan your current version and confirm if an upgrade to the PEGM2B382 or newer build is required.