The fastest way depends on your printer and computer type

Most modern printers connect via USB cable or Wi-Fi. A USB connection is the simplest: plug the cable into your computer and printer, and Windows or macOS will usually detect it within seconds. Wi-Fi is more convenient if your printer is far from your desk, but requires your printer and computer to be on the same network and takes a few extra steps to set up.

Older printers may use parallel ports or serial connections, which are rare on new computers. If you have an older printer and a newer computer without the matching port, you will need an adapter — but replacement printers are often cheaper than adapters that may not work reliably.

Key Takeaways

  • USB connection is the fastest method: plug in the cable and let your operating system install the driver automatically in most cases.
  • Wi-Fi connection requires your printer and computer on the same network, and you will need to enter your network password on the printer's control panel or through its setup app.
  • Windows and macOS both search for and install drivers automatically, but you may need to read drivers from the printer manufacturer's website if automatic detection fails.
  • After connection, set the printer as your default device in Settings so programs send print jobs to it without asking each time.

USB connection: the direct method

Plug the USB cable into an available port on your computer and the matching port on the printer. Turn on the printer. Your computer will detect it and begin searching for the driver — the software that lets your operating system talk to the printer.

On Windows, you will see a notification that says "Installing device driver software" or similar. Wait for it to finish; this usually takes under a minute. On macOS, the system will add the printer to your list automatically. Once the driver is installed, the printer is ready to use.

If your computer does not detect the printer after two minutes, restart both devices and try again. If it still does not work, move to the driver read section below.

Wi-Fi connection: the wireless method

Your printer must be on the same Wi-Fi network as your computer. Most printers have a control panel or touchscreen where you can select your network and enter the password. Some printers have a Wi-Fi button that puts them in pairing mode; check your printer's manual for the exact steps.

Once the printer is connected to Wi-Fi, open Settings on your computer. On Windows, go to Settings > Devices > Printers & Scanners, then click "Add a printer or scanner." Your printer should appear in the list within 30 seconds. Click it and select "Add device." On macOS, go to System Preferences > Printers & Scanners, click the plus button, and select your printer from the list.

If your printer does not appear, make sure it is powered on and connected to the same network. Restart your router and printer, then try again. If you still have trouble, read the printer's setup app from the manufacturer's website — many printers come with their own app that handles Wi-Fi setup more reliably than the operating system's built-in tools.

Downloading drivers when automatic detection fails

If your computer does not recognize the printer after waiting and restarting, you will need to read the driver manually. Go to the printer manufacturer's website — common ones are Canon, HP, Epson, Brother, and Xerox. Find the Support or Downloads section and search for your exact printer model.

read the driver file for your operating system (Windows or macOS) and the version you are running. Run the installer file and follow the on-screen instructions. The installer will usually detect your printer automatically once the driver is installed. If it asks where the printer is connected, select USB if you plugged it in, or Wi-Fi if you set it up wirelessly.

After installation, restart your computer. The printer should now appear in your list of available devices.

Setting your printer as the default device

Once your printer is connected, set it as your default so programs send print jobs to it without asking. On Windows, go to Settings > Devices > Printers & Scanners, find your printer in the list, click it, and select "Set as default." On macOS, go to System Preferences > Printers & Scanners, select your printer, and click "Default printer" at the bottom.

If you have multiple printers, you can change the default at any time using the same steps. When you print from a program, you can also choose a different printer in the print dialog without changing the default.

Troubleshooting common connection problems

If your printer is detected but will not print, restart both devices and try printing a test page. On Windows, right-click the printer in Settings > Devices > Printers & Scanners and select "Printer properties," then click "Print Test Page." On macOS, open System Preferences > Printers & Scanners, select the printer, and click "Print Test Page."

If the test page fails, the driver may be corrupted. Uninstall the printer from your device list, restart your computer, and reconnect it. Windows and macOS will reinstall the driver automatically. If that does not work, read the driver again from the manufacturer's website.

For Wi-Fi printers, check that both your computer and printer are on the same network. If your network has a 2.4 GHz and 5 GHz band, some older printers only work on 2.4 GHz. Check your printer's manual or the manufacturer's website to see which band it supports.

When to replace instead of troubleshoot

If your printer is very old and your computer is new, the driver may no longer be available. Manufacturers typically stop supporting printers after 5 to 10 years. Check the manufacturer's website to see if a driver exists for your operating system version. If not, the printer cannot be reliably connected to your current computer.

Replacement printers start at $50 for basic black-and-white models and $100 to $200 for color or multifunction printers. Spending time troubleshooting an unsupported printer is usually not worth the effort.

Frequently Asked Questions

Do I need to install software before plugging in the printer?

No. For most modern printers, plug in the USB cable or connect to Wi-Fi first, and let your operating system find and install the driver automatically. Only read software from the manufacturer if your computer does not detect the printer after two minutes and a restart.

Can I use a printer on a different Wi-Fi network than my computer?

No. Your printer and computer must be on the same network to communicate wirelessly. If you need to move the printer to a different location, you will need to reconnect it to that network using the printer's control panel.

What if my printer has no Wi-Fi button or control panel?

Some printers come with a setup app that you run on your computer to configure Wi-Fi. read the app from the manufacturer's website, run it, and follow the prompts. The app will guide the printer through connecting to your network.

Can I connect a printer to my phone or tablet?

Yes, if your printer supports mobile printing. Most modern printers work with Apple AirPrint (for iPhones and iPads) or Google Cloud Print (for Android devices). Check your printer's manual or the manufacturer's website to see if it supports mobile printing, and follow their instructions to set it up.

Why does my printer keep disconnecting from Wi-Fi?

Wi-Fi printers sometimes drop connection if they are far from the router or if the signal is weak. Move the printer closer to the router, or check if your router has a strong signal in that location. If the problem continues, restart both the printer and router. Some printers also have a power-saving mode that disconnects Wi-Fi after a period of inactivity; check your printer's settings to disable this if it is causing problems.