All symptoms

Audio not working in Teams

Microphone muted, no sound from speakers, or echo during meetings? This guide covers the common Teams audio problems.

Background blur or images missing

Trying to change the background, the button is gone or options are grayed out. Here is how to get them back.

Teams calendar not syncing with Outlook

Events missing or showing up late. The link between Teams and Outlook goes through Exchange and can break at multiple points.

Camera not detected in Teams

Teams cannot find your camera or shows only a black image? Here is how to get video back.

Chat messages not loading in Teams

The chat list stays empty, old messages do not appear, or one chat is silent. These are the common causes.

File upload fails in Teams

Files do not upload or get stuck at one percent. Usually file size, file name, or OneDrive quota is to blame.

Meeting recording fails

You click 'Record' and the recording does not start, or it stops mid-meeting. Here is how to find the cause.

Notifications not arriving in Teams

You miss chats because Teams does not notify, or only late. These places affect the behavior.

Screen sharing not working in Teams

Clicking 'Share' does nothing or the stream stays black. This guide covers the common causes.

Teams runs slow or hangs

Teams feels sluggish, eats RAM, or freezes briefly. These are the most effective levers for performance.

Teams will not start

Teams refuses to open or closes immediately? These steps bring the client back.