Dell Latitude 3540 Intel Core i5-1335U Webcam Not Working Fix

The Dell Latitude 3540 comes with a built-in HD webcam suitable for video calls and conferencing. When the webcam stops working — showing a black screen, error message, or not appearing in applications — it can interrupt business communications and remote work.

This guide provides step-by-step fixes for the webcam not working problem on the Dell Latitude 3540 with the Intel Core i5-1335U processor.

Why the Webcam Is Not Working

• Camera access blocked in Windows Privacy settings
• Outdated or corrupted webcam driver
• Webcam disabled in Device Manager
• Conflicting application holding the camera device
• Physical privacy shutter covering the lens
• Dell peripheral manager software conflict

Step-by-Step Fixes

Fix 1: Check Windows Camera Privacy Settings

Windows 11 requires explicit permission for apps to access the camera:

1. Open Settings > Privacy & security > Camera.
2. Ensure Camera access is toggled On.
3. Scroll down and enable camera access for specific apps like Teams, Zoom, or the Camera app.
4. Open the Camera app to confirm the webcam is now working.

Fix 2: Update or Reinstall the Webcam Driver

1. Open Device Manager and expand Cameras.
2. Right-click the Dell webcam entry and select Update driver.
3. If updating does not help, right-click and choose Uninstall device, then restart the laptop to allow Windows to reinstall the driver automatically.
4. For the latest driver, visit the Dell Support page and search by Service Tag.

Fix 3: Check for a Physical Privacy Shutter

Some Latitude 3540 configurations include a physical webcam shutter. Look for a small switch or slider above the display near the camera indicator light. Slide it to the open position if it is covering the lens.

Fix 4: Close Conflicting Applications

Only one application can access the webcam at a time. If another program such as Teams or Skype is running in the background with camera access, other apps cannot use the webcam:

• Close all open video conferencing applications.
• Check the system tray for any running camera-related software.
• Reopen the application you want to use the webcam with.

“The camera was blocked at the Windows Privacy settings level — Teams did not have permission to access it. One toggle in Settings fixed everything.”
— Siti Rahimah, HR manager

Fix 5: Run Dell SupportAssist

Dell SupportAssist includes hardware tests for the integrated camera. Open SupportAssist, run a full system scan, and check whether the camera test passes or fails. A failed hardware test indicates a defective camera module that requires replacement through Dell support.

Fix 6: Enable the Webcam in BIOS

In rare cases the camera may be disabled at the firmware level:

1. Restart and press F2 to enter BIOS.
2. Navigate to Video > Camera or Privacy settings.
3. Set the camera to Enabled and save.

Frequently Asked Questions