The fastest way: use an HDMI adapter and cable
Most MacBooks connect to a Samsung TV through an HDMI cable and an adapter. Your MacBook has a USB-C or Thunderbolt port (depending on the model year), but your Samsung TV has an HDMI port. You need an adapter that converts one to the other, then plug in an HDMI cable.
Here's what you'll need: a USB-C to HDMI adapter (or Thunderbolt to HDMI if you have an older MacBook Pro), an HDMI cable, and your MacBook and Samsung TV. This is the most reliable method because it creates a direct wired connection with no wireless interference or pairing delays.
Key Takeaways
- A USB-C to HDMI adapter and cable is the simplest and most stable way to connect your MacBook to a Samsung TV.
- Your MacBook will automatically detect the TV as an external display once you plug in the adapter and cable.
- If your Samsung TV supports AirPlay, you can mirror your MacBook wirelessly without any cables or adapters.
- Some Samsung TVs require you to select the correct HDMI input on the remote before your MacBook image appears.
- If nothing appears on the TV after connecting, restart your MacBook and check that the adapter is fully seated in the port.
Step-by-step: connecting with an HDMI adapter
Step 1: Get the right adapter. Check your MacBook's ports. If you see a small oval port (USB-C or Thunderbolt), buy a USB-C to HDMI adapter. If you have an older MacBook with a MagSafe charging port and no USB-C, you need a Thunderbolt to HDMI adapter instead. Both are available at electronics retailers for $15 to $30.
Step 2: Plug the adapter into your MacBook. Insert the USB-C or Thunderbolt end firmly into your MacBook's port. You should feel it click into place. The HDMI port on the adapter should now be facing outward, ready for the cable.
Step 3: Connect the HDMI cable. Plug one end of the HDMI cable into the adapter's HDMI port. Plug the other end into any HDMI port on the back or side of your Samsung TV. HDMI cables are the same on both ends, so either direction works.
Step 4: Turn on your Samsung TV and select the HDMI input. Use your Samsung remote to press the Input or Source button (usually near the top). You'll see a menu showing HDMI 1, HDMI 2, HDMI 3, and so on. Select the HDMI port where you plugged in the cable. If you're not sure which one, try each until your MacBook's screen appears.
Step 5: Your MacBook display should now appear on the TV. If nothing shows up, go to System Preferences on your MacBook, click Displays, and look for your Samsung TV in the list. Select it. If you still see nothing, unplug the adapter, wait 10 seconds, and plug it back in.
Wireless connection using AirPlay (if your Samsung TV supports it)
Newer Samsung TVs (usually 2018 and later) have built-in AirPlay support, which lets you mirror your MacBook wirelessly. This means no cables, no adapters, and no hunting for HDMI ports. Your MacBook and TV must be on the same Wi-Fi network.
Open Control Center on your MacBook by clicking the icon in the top-right corner that looks like a rectangle with lines. Click Screen Mirroring. You should see your Samsung TV listed by name. Click it, and your MacBook screen will appear on the TV within a few seconds. To stop mirroring, open Control Center again, click Screen Mirroring, and select Stop Mirroring.
If your Samsung TV doesn't appear in the Screen Mirroring menu, it may not support AirPlay. Check your TV's manual or Samsung's website to confirm. Older Samsung models require a wired HDMI connection instead.
What to do if your MacBook screen doesn't appear
If you've plugged everything in but the TV still shows "No Signal" or a blank screen, start with the simplest fixes. First, make sure you selected the correct HDMI input on your TV remote. Many people plug the cable into HDMI 2 but forget to switch the TV to HDMI 2, so the TV is still showing HDMI 1 or the cable input.
Second, check that the adapter is fully pushed into your MacBook's port. USB-C and Thunderbolt ports are tight — the adapter should not wiggle. If it feels loose, remove it and try again, pushing harder until you hear or feel a click.
Third, restart your MacBook. Shut it down completely, wait 30 seconds, and turn it back on. Once it's booted, plug the adapter back in. This clears any temporary glitches that might prevent the MacBook from recognizing the TV.
If you're using AirPlay and the TV doesn't appear in Screen Mirroring, restart both your MacBook and your Samsung TV. Then make sure both devices are connected to the same Wi-Fi network — if your MacBook is on 5GHz and your TV is on 2.4GHz, they won't see each other.
Choosing between wired and wireless
A wired HDMI connection is more reliable and works with every Samsung TV. It has no lag, no disconnections, and no need to troubleshoot Wi-Fi. The downside is that you're tethered to the TV by a cable, so you can't move your MacBook around the room.
AirPlay is more convenient if your TV supports it — you can sit anywhere and mirror wirelessly. But it depends on your Wi-Fi signal, and if your network is slow or crowded, the picture may stutter or lag. AirPlay also drains your MacBook's battery faster than a wired connection.
For watching videos or presentations, either method works fine. For gaming or video editing, use the wired HDMI connection because it has less delay. For casual browsing or showing photos, AirPlay is usually smooth enough.
Adjusting display settings after you connect
Once your MacBook is connected to the Samsung TV, you can choose whether to mirror your display (show the same thing on both screens) or extend it (use the TV as a second monitor). On your MacBook, go to System Preferences, click Displays, and look for an option that says "Mirror Displays" or "Arrangement." Uncheck Mirror Displays if you want to extend your desktop across both screens.
You can also adjust the resolution. If the text on your TV looks blurry or too small, go back to Displays and try a different resolution. Higher numbers (like 1920 x 1080) are sharper but make text smaller. Lower numbers make text bigger but may look less sharp. Find the setting that's comfortable for you.
Frequently Asked Questions
Do I need a special adapter, or will any USB-C to HDMI adapter work?
Any USB-C to HDMI adapter will work with your MacBook, as long as it's labeled for USB-C (not USB-A). Avoid very cheap adapters under $10 — they often have poor build quality and may not stay connected. Spend $15 to $25 on a reputable brand like Belkin or Apple's own adapter.
Can I use a USB hub with HDMI instead of buying an adapter?
Yes, if your USB hub has an HDMI port built in. Plug the hub into your MacBook, then plug the HDMI cable into the hub's HDMI port. This works the same way as a dedicated adapter and has the added benefit of giving you extra USB ports.
Why does my MacBook screen go black when I plug in the HDMI adapter?
Your MacBook is detecting the TV and switching to it. Wait a few seconds — the image should appear on the TV. If it doesn't, your MacBook may have gone to sleep. Move your mouse or press a key to wake it up.
Can I charge my MacBook while it's connected to the TV via HDMI?
If you're using a USB-C adapter, you cannot charge through the same port at the same time. You'll need to use a separate USB-C power adapter plugged into a different port. Some newer MacBooks have multiple USB-C ports, so this is usually possible.
What if my Samsung TV is very old and doesn't have HDMI ports?
Older Samsung TVs with only composite (red, white, yellow) or component (red, green, blue) ports cannot connect directly to a MacBook. You would need a USB-C to composite or component converter, which is rare and often unreliable. In this case, your best option is to replace the TV or use AirPlay through a separate device like an Apple TV connected to the TV's HDMI port.