For a Dell laptop whose microphone or camera is not working, Dell's microphone article gives an order: restart, inspect the microphone port and connector for damage or debris, then check that Windows is using the right input, that apps have privacy permission and that drivers are current. It also lists the symptoms it covers: a microphone not detected, distorted or muffled voice, one that works in some apps but not others, one that stopped after a Windows update and very low volume at maximum input. Camera faults on Dell laptops are usually the same three things: the privacy shutter or a function-key switch, Windows camera permission, and the driver. A laptop with a physical camera shutter needs it open.
Differential
Likely causes of “Dell laptops camera or microphone is not working in calls”, and how to tell them apart
- 1
Windows privacy permission is off
What separates it The microphone or camera works in one app and not another, or in none
How to confirm Settings, Privacy & security, Microphone and Camera; allow apps and turn on the app you use
- 2
The wrong input device is selected
What separates it The microphone is present but records silence because the wrong input device is selected
How to confirm Choose the built-in microphone in sound settings, as Dell's article describes for input problems
- 3
A camera shutter or function key switch is off
What separates it The camera picture is black because a camera shutter or function key switch is off
How to confirm Open the physical shutter or toggle the camera key on models that have one
- 4
A driver or update problem
What separates it It stopped after a Windows update because of a driver or update problem
How to confirm Dell lists a microphone that stopped after a Windows update; update or reinstall the driver from SupportAssist
- 5
A hardware fault
What separates it The device is missing in Device Manager and the diagnostics fail
How to confirm Run Dell hardware diagnostics; if it fails, the module needs service
Before you touch a setting
Record this first — changing settings destroys the evidence
- Which Dell laptop you have, its Service Tag and Windows version
- Which apps fail and which work, and what Device Manager lists under Cameras and Audio inputs
- Whether the laptop has a camera shutter or camera function key and whether it is open
- Whether the fault began after a Windows or driver update
Try in this order
0 of 7 completedRestart
ReversibleRestart and test the camera and microphone in the Camera app and a recording app.
Check privacy settings
ReversibleCheck privacy settings, in Settings, Privacy and security, Camera and Microphone, and allow apps to access them.
Check the shutter and keys
ReversibleCheck the shutter and keys, by opening the physical shutter and toggling any camera or microphone function key.
Choose the right input
ReversibleIn sound settings, Input, pick the built-in microphone and speak; the level bar should move.
Inspect the port for a wired mic
ReversibleDell says to inspect the audio port and connector for damage or debris, with the laptop off and unplugged.
Update or reinstall drivers
ReversibleUpdate or reinstall drivers, by using SupportAssist or Dell Command Update, or reinstalling from Device Manager.
Run Dell diagnostics
ReversibleRun Dell diagnostics, by pressing F12 at start, or using SupportAssist, and running the audio and camera tests.
Model-specific
What is true of this model and not of its siblings
- Where the checks differ by line
- Some Dell models have a physical camera shutter or a camera and microphone function key. Check the bezel and the keyboard for them.
- Windows privacy
- Camera and Microphone permissions sit under Settings, Privacy & security; business-managed Latitudes can have them locked by IT policy.
- Repair cost
- A camera or microphone fault is usually a privacy switch, permission or driver and costs nothing. A hardware fault is typically $99 to $299 at an independent shop with a free diagnostic, per BadgerLayer's 2026 laptop repair guide.
- Other models this page answers
- These steps also fit models XPS 16 9640, Inspiron 14 5440, Inspiron 16 5640, Latitude 5450, Latitude 7450, Precision 5690, R2.
Stop boundary
When this stops being a self-service repair
- !If the camera or microphone is missing from Device Manager after driver reinstall and diagnostics, contact Dell Support
- !If Dell's hardware diagnostics fail the camera or audio test, book a service check
- !If the fault began after the laptop was dropped or wet, stop using it and have it inspected
Evidence ledger
Sources behind this answer
Restart, microphone port inspection, input selection, permissions and drivers.
Hard reset and driver steps that also help detection problems.
The XPS premium laptop line.
The Latitude business laptop line.
Exact questions
Common questions
Why does my headset microphone work and the built-in one not?+
That points at the built-in microphone, its privacy permission or the input selection. Choose the built-in device in sound settings and check Windows privacy settings before suspecting hardware.
What microphone problems does Dell cover?+
Dell's article lists a microphone not detected, distorted or muffled voice, one that works in some apps only, one that stopped after a Windows update and very low input volume.
Why does my microphone work in Teams but not in Zoom?+
Usually a per-app permission or the app's own input setting. Check Windows privacy settings and the app's audio settings.
Does the XPS have a camera shutter?+
Some Dell laptops have a physical shutter or a camera-off function key, so check the keyboard and the bezel.
Will a hard reset help?+
It can for detection problems. Dell's audio article describes disconnecting power and devices and holding the power button 15 to 20 seconds.
Can an external headset help me test?+
Yes. If a headset microphone works, the built-in microphone or its setting is the problem.
Where are the Dell diagnostics?+
Press F12 at start for the boot menu or run SupportAssist. Both offer hardware tests.
Can antivirus block the camera?+
Some security software adds its own camera protection. Check its settings and Windows privacy settings before suspecting hardware.