If there is a ding that was not there when you brought it in for service, was that fact documented when you picked up the Mac? It'll be a little difficult to prove that later - I would have certainly inspected it thoroughly in the store and brought up any problem. As for the camera, simply launch Photo Booth and take some pics. If it does not work, I'd really take it back and have a talk with them. And yes, they do need to use suction cups to remove the screen (that is the only way to access anything), but they should have cleaned the glass when finished.
Download iCam - Webcam Video Streaming and enjoy it on your iPhone, iPad, and iPod touch. iCam allows you to remotely monitor multiple live video and audio webcam feeds from your iPhone, iPod touch or iPad over WiFi and EDGE/3G/4G/LTE.
Photos makes it easy to download images directly from your digital camera to your Mac — as long as your specific camera model is supported in Photos, that is. Most cameras are supported, though, and more are added to the supported crowd during every update. You can also connect your iPhone to your Mac.
If your Mac or Apple display has a built-in camera, you can use it for video chatting and with other apps that use video when you’re using Windows. If the camera isn’t working, make sure you have the latest Windows support software installed. See the Apple Support article Download and install Windows support software on your Mac.
Yes, The built-in camera and other external camera(s) will work with Windows. The built-in camera has a driver provided by Apple. Please check for any unknown devices (with a yellow triangle and exclamation mark) in Device Manager. External USB Cameras work with Windows on a Mac.
What kind of place did you take it to?
Download a show or movie
If you subscribe to Apple TV+ or an Apple TV channel, you can download TV shows and movies included with your subscription on your iPhone, iPad, iPod touch, and Mac.
Open the Apple TV app on your iPhone, iPad, iPod touch, or Mac.
Go to the channel's page. Or search for a movie or TV show.
Tap or click the download button next to the TV show or movie.
To find and play your downloads, go to the Library tab, then tap or click Downloaded.
You can't download content from the Apple TV app on Apple TV, smart TVs, streaming devices, and on tv.apple.com.
Limits for downloads
For most Apple TV channels, downloads are available for up to 30 days before they expire. For a few channels, downloads might expire earlier.
Some Apple TV channels might have limits for how many titles can be downloaded simultaneously and the number of devices you can download content on. If you reach the limit, the Apple TV app will alert you. You’ll need to delete previously downloaded TV episodes or movies on one of your (or your family's) devices before you can download anything else from that channel.
Limits for streaming on multiple devices
Apple TV+: One subscription allows you to enjoy 6 simultaneous streams. If you have an Apple Music student subscription, which includes Apple TV+ for a limited time, you can only stream Apple TV+ on one device at a time.
Apple TV channels: One subscription allows you to enjoy up to 3 simultaneous streams. Some channels might allow more than 3 simultaneous streams.
Learn more
Apple Mac Camera Filters
You can also buy movies and TV shows in the Apple TV app.
On an iPhone, iPad, or iPod touch, you can restrict the rating of content in the Apple TV app using Content & Privacy Restrictions in Screen Time. On Apple TV, you can turn on restrictions in Settings. You can also turn on restrictions for the Apple TV app on your smart TV.
Learn what to do if you can't stream or watch video content.
Apple Mac Camera Download App
The Apple TV app, Apple TV channels, Apple TV+, and store availability might vary by country or region. See what’s available in your country or region.