If your touchpad gestures (two-finger scrolling, zooming) aren't working, you need the input drivers.
Dell Latitude 5411 Setup and specifications guide | Dell India
Ultimate Guide to Dell Latitude 5411 Drivers: Install and Update for Optimal Performance
| Problem | Likely Fix | | :--- | :--- | | No Wi-Fi adapter found | You installed the wrong Wi-Fi driver. Check hardware ID in Device Manager (look for VEN_8086 = Intel, VEN_168C = Qualcomm). | | External monitors not detected | Update Intel Graphics driver. Also check USB-C/HDMI cable and dock firmware. | | No sound after Windows update | Reinstall the Realtek Audio driver from Dell (not Microsoft’s generic driver). | | Touchpad or keyboard lags | Update Chipset (Serial IO) driver. | | Fan runs constantly or laptop overheats | Update BIOS and Intel Dynamic Tuning Technology driver. |

