The fastest way to mirror your PC to your TV
The simplest method depends on what's plugged into your TV and PC right now. If your TV has an HDMI port and your PC has an HDMI port, a cable connection is the fastest and most reliable—just plug one end into each device and select the right input on your TV remote. If you want to avoid cables, most modern TVs and Windows PCs support wireless mirroring through built-in features like Miracast or through apps like Chromecast, AirPlay, or your TV manufacturer's own software.
Wired connections work when ready with no setup. Wireless connections take a few seconds to establish the first time but let you move around the room without a cable tether. Your choice depends on whether you prioritize speed and stability (wired) or convenience and mobility (wireless).
Key Takeaways
- An HDMI cable is the fastest and most stable way to mirror your PC to your TV—plug it in and switch your TV to the correct input.
- Windows 10 and 11 PCs can mirror wirelessly to most modern TVs using the built-in "Project" feature without installing anything extra.
- Chromecast, Fire TV, and Roku devices all work with Windows PCs, though the steps differ slightly for each brand.
- Wireless mirroring works best when your PC and TV are on the same WiFi network and within 30 feet of each other.
- If your TV doesn't have built-in mirroring, a streaming device (Chromecast, Fire Stick, or Roku) can add the feature for under $50.
Wired mirroring with an HDMI cable
Plug one end of an HDMI cable into the HDMI port on your PC and the other end into any available HDMI port on your TV. Most PCs have at least one HDMI port on the back or side of the tower, or on the edge of a laptop. Most TVs have two to four HDMI ports, usually on the back or side panel.
Pick up your TV remote and press the Input or Source button. A menu will appear showing all available inputs—HDMI 1, HDMI 2, HDMI 3, and so on. Select the HDMI port you plugged the cable into. Your PC screen should appear on the TV within a few seconds. If it doesn't, try a different HDMI port on the TV, as some ports may not be active.
Your PC may ask whether you want to extend the display (use the TV as a second screen) or duplicate it (show the same thing on both). Choose based on what you're doing—duplicate for watching videos or presentations, extend if you want to work on the PC while displaying something else on the TV.
Wireless mirroring on Windows 10 and 11
Windows 10 and 11 have a built-in wireless mirroring feature called Project that works with most modern TVs without any extra software. First, make sure your PC and TV are connected to the same WiFi network. Then on your PC, press the Windows key and the P key at the same time. A menu will pop up on the right side of your screen with four options: PC screen only, Duplicate, Extend, and Second screen only.
Click Duplicate to send your PC screen to the TV. Windows will search for available devices. When your TV appears in the list, click it. The first connection may take 10 to 30 seconds. Once connected, your PC screen will mirror on the TV and stay connected as long as both devices are on the same network and within range.
If your TV doesn't appear in the list, check that it supports Miracast (most TVs made after 2015 do). Look in your TV's settings menu under Display, Wireless, or Miracast. If you can't find it, your TV may need a streaming device instead. To disconnect, press Windows + P again and select PC screen only.
Mirroring with Chromecast
If you have a Chromecast device plugged into your TV, you can mirror your PC wirelessly through Google's casting system. Make sure your Chromecast is powered on and connected to the same WiFi network as your PC. On your PC, open Google Chrome and click the three-dot menu in the top right corner. Select Cast.
A small window will open showing available Chromecast devices. Click the one connected to your TV. Your PC screen will begin mirroring to the TV within a few seconds. The Chromecast method works well for streaming video and web content, though it may have a slight delay (usually under one second) compared to an HDMI cable.
To stop casting, click the Cast button again and select Stop casting. Your PC screen will return to normal. Chromecast works through Chrome only—if you want to mirror your entire desktop or use other programs, use the Windows Project feature or an HDMI cable instead.
Mirroring with Fire TV and Roku devices
Amazon Fire TV and Roku devices both support wireless mirroring from Windows PCs, though the process differs slightly from Chromecast. For Fire TV, make sure your Fire device and PC are on the same WiFi network. On your PC, press Windows + P and select Duplicate. Your Fire TV should appear in the list of available devices. Click it to connect.
For Roku, the process is similar but Roku calls the feature Screen Mirroring. Press Windows + P on your PC, select Duplicate, and look for your Roku device by name. If your Roku doesn't appear, go into the Roku's settings menu, find Screen Mirroring, and make sure it's turned on. Some older Roku models may not support mirroring—check your device's manual if you're unsure.
Both Fire TV and Roku mirroring work best for video playback and presentations. Like Chromecast, there may be a slight delay compared to HDMI. If you experience lag or disconnections, move your PC closer to the TV or switch to an HDMI cable.
Troubleshooting common mirroring problems
The TV doesn't show up in the device list. Make sure your PC and TV (or streaming device) are on the same WiFi network. Restart both devices and try again. If your TV is older, it may not support wireless mirroring—check the manual or consider adding a Chromecast, Fire Stick, or Roku device.
The connection keeps dropping. Move your PC closer to the TV or router. Wireless interference from other devices can cause disconnections. If this happens often, switch to an HDMI cable for a stable connection. Also check that your TV's firmware is up to date—manufacturers often release updates that improve mirroring stability.
The picture is laggy or delayed. Wireless mirroring always has a small delay compared to HDMI. If the lag is severe, use an HDMI cable instead. For video playback, streaming apps like Netflix or YouTube often work better than mirroring your entire screen, since they send video directly to the TV rather than mirroring your PC.
The audio isn't working. On an HDMI connection, audio should work automatically. If it doesn't, right-click the volume icon on your PC, select Open Volume mixer, and check that the TV is set as the default playback device. For wireless mirroring, some TVs require you to manually select audio output in the TV's settings menu.
When to use each method
| Method | Best for | Setup time | Lag |
|---|---|---|---|
| HDMI cable | Gaming, video editing, presentations where timing matters | Seconds | None |
| Windows Project (Miracast) | Wireless mirroring without extra devices | 10–30 seconds first time | Minimal |
| Chromecast | Streaming video and web content | 10–20 seconds | Under 1 second |
| Fire TV or Roku | If you already own the device | 10–20 seconds | Under 1 second |
For everyday tasks like watching videos or giving a presentation, any method works fine. For gaming or video editing where timing is critical, use an HDMI cable. If you don't have a cable handy and your TV supports Miracast, the Windows Project feature is the quickest wireless option since it requires no extra hardware or apps.
Frequently Asked Questions
Do I need to buy anything to mirror my PC to my TV?
Not necessarily. If your TV was made after 2015 and your PC runs Windows 10 or 11, you can mirror wirelessly for free using the built-in Project feature. If you want to use Chromecast, Fire TV, or Roku, you'll need that device, but they cost between $30 and $100. An HDMI cable costs $10 to $20 and works with any TV and PC.
Can I mirror my PC to my TV if they're on different WiFi networks?
No. Wireless mirroring requires both devices to be on the same WiFi network. If you can't connect them to the same network, use an HDMI cable instead. Some public WiFi networks also block mirroring—if you're at a hotel or office, an HDMI cable is your only option.
Will mirroring slow down my PC?
Mirroring uses some processing power, but most modern PCs handle it without noticeable slowdown. If your PC is already running slowly or you're doing demanding tasks like video editing, you may notice a slight performance dip. Wired HDMI mirroring has less impact than wireless mirroring.
Can I use my TV as a second monitor instead of mirroring?
Yes. When you connect via HDMI or use the Windows Project feature, you can choose Extend instead of Duplicate. This treats your TV as a separate display, so you can drag windows between your PC monitor and TV. This is useful for multitasking or presentations where you want to see your notes on one screen and show slides on the other.
What if my PC doesn't have an HDMI port?
Older laptops or compact PCs may use DisplayPort, USB-C, or VGA instead. You can buy an adapter to convert these to HDMI—they cost $10 to $30. Alternatively, use wireless mirroring if your TV supports it. USB-C adapters often include HDMI, so check what ports your PC has before buying.