Hardware Testing Guide

Dell UltraSharp WB7022 Webcam Test & Diagnostic Tool

Start the test below to check your Dell UltraSharp webcam. Dell publishes unusually detailed troubleshooting documentation for the WB7022, and the guidance here follows it — including a USB port requirement and a dongle interference issue that Dell documents but almost nobody knows about.

Camera off

Live Readout

Live Dell UltraSharp Diagnostic Readout

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Microphone Detected:—

These are the values your browser negotiated just now, not the numbers on the box.

Expected Performance

Dell UltraSharp Specifications & Expected Performance

Dell's own support documentation specifies 4K at 30fps and QHD at 60fps. Note the field-of-view presets: the camera defaults to a wide 90 degrees, which shows a great deal of your room.

Model	Resolution & frame rate	Optics / sensor	Other
Dell UltraSharp WB7022	4K UHD at 30fps; QHD at 60fps	Sony STARVIS 8.3MP CMOS	Autofocus, 5x digital zoom, HDR, AI auto-framing
Field of view presets	90° default, 78° mid-range, 65° close-up	Set in Dell's software	Not adjustable without it
Dell Pro Webcam (WB5023)	The 1080p model in the range	Smaller sensor	Check Dell's current specification before buying

The WB7022 includes a proximity sensor supporting Windows Hello, plus Dell's Walk Away Lock and Wake on Approach. Dell documents that those two features work only on Dell computers, so on a non-Dell machine you get Windows Hello but not the proximity locking. It ships with a magnetic privacy cap that attaches to the front or the back of the camera.

Troubleshooting

Troubleshooting Dell UltraSharp Issues

1. 4K is unavailable in the software

The problem: Dell Peripheral Manager does not offer the 4K UHD option at all.

The fix: Dell documents this directly: the WB7022 supports 4K only over USB 3.0. On a USB 2.0 port the option is not offered, and you may also see reduced image quality and Windows Hello authentication problems. Connect the camera with a cable running directly to the computer rather than through a hub, dock or monitor.

2. The image flickers

The problem: Visible banding or pulsing under office lighting.

The fix: Dell notes that fluorescent lighting and reflected LCD light can cause this. In Dell Peripheral Manager, look under Color and Image for the Anti-Flicker setting and switch between 50Hz and 60Hz to match your region's mains frequency — 50Hz across most of Europe, Africa, Asia and Australia; 60Hz in North America.

3. Video lags when a wireless dongle is nearby

The problem: Intermittent stutter that does not correlate with system load.

The fix: This one is genuinely obscure and comes straight from Dell's own guidance: if the webcam shares a USB hub with a 2.4GHz or Bluetooth dongle, the dongle can experience interference and lag. Dell recommends not connecting a dongle in the port next to the webcam. If you use a wireless mouse or keyboard receiver, move it to the opposite side of the machine.

Software

Dell Peripheral Manager

Dell Display and Peripheral ManagerRequired for the field-of-view presets, AI auto-framing, HDR, zoom and the anti-flicker setting. Without it the camera runs at its defaults, including the widest 90-degree field of view.

Prioritise External WebcamOn a Dell laptop, the built-in camera may be selected over the WB7022. Dell Peripheral Manager has a "Prioritize External Webcam" option that resolves this.

Dell also advises turning HDR off in low light — it is designed for high-contrast scenes and can make a dim room look worse rather than better, which is the opposite of what most people assume.

Dell's official WB7022 troubleshooting guide

FAQ

Frequently Asked Questions

Why can't I select 4K on my Dell WB7022?Dell documents that 4K requires USB 3.0. On a USB 2.0 connection the 4K option is not offered at all, and you may also see Windows Hello authentication problems. Connect directly to a USB 3.0 port rather than through a hub or dock.

Can the WB7022 do 4K at 60fps?No. Dell's specification is 4K at 30fps, with 60fps available at QHD. If you need 60fps you have to step down from 4K.

Should I leave HDR on?Not always. Dell specifically recommends turning HDR off in low light, because it is designed for high-contrast conditions and can degrade a dim scene. Leave it on for backlit or high-contrast setups.

Why does my laptop use its built-in camera instead of the Dell webcam?Dell Peripheral Manager includes a "Prioritize External Webcam" option for exactly this. Enable it, or select the WB7022 explicitly in your call application's device settings.

Do Walk Away Lock and Wake on Approach work on any PC?No. Dell documents these as Dell-computer features. On a non-Dell machine you still get Windows Hello facial recognition through the proximity sensor, but not the automatic locking and waking behaviour.

Related Guides & Tools

For another business 4K camera with its own software ecosystem, see the HP 960 4K and Poly Studio P5 guide.

Other guides: Logitech Brio 4K test · Laptop integrated cameras · All hardware testing guides

Going further: low-light benchmark, microphone and room acoustics, and a ranked fix plan.