Connecting a wireless or Bluetooth mouse to your Mac

A mouse connects to your Mac in one of two ways: through a wireless receiver that plugs into a USB port, or through Bluetooth, which is built into every Mac. Bluetooth is simpler because you don't need a receiver — your Mac and mouse talk directly to each other. Most modern mice use Bluetooth. If your mouse came with a small USB receiver, that's the wired connection method, and it works immediately once you plug it in.

Before you start, make sure your mouse has batteries installed and is turned on. Look for a power switch on the bottom or side. If your mouse is rechargeable, plug it in for a few minutes first — a dead battery is the most common reason a connection fails.

Key Takeaways

  • Bluetooth mice connect wirelessly without a receiver; wired receiver mice plug into any USB port and work right away.
  • Turn on your mouse and check that it has power before attempting to connect.
  • Bluetooth pairing happens in System Settings under Bluetooth, where you hold down the pairing button on your mouse until it appears in the list.
  • If your mouse doesn't appear after 30 seconds, restart both the mouse and your Mac's Bluetooth, then try again.
  • A wired receiver mouse needs no pairing — just plug it in and move the mouse to test it.

Pairing a Bluetooth mouse step by step

Open System Settings on your Mac. You can do this by clicking the Apple menu in the top-left corner, then selecting System Settings. Once System Settings opens, look for Bluetooth in the left sidebar and click it.

Make sure Bluetooth is turned on — you'll see a toggle switch at the top of the Bluetooth panel. If it's off, click it to turn it on. Your Mac will start searching for nearby Bluetooth devices. Now pick up your mouse and look for a small button, usually on the bottom or back. This is the pairing button. Press and hold it for about 3 to 5 seconds until you see a light blink on the mouse or hear a sound. This tells you the mouse is in pairing mode and looking for a device to connect to.

Within about 30 seconds, your mouse should appear in the Bluetooth list on your Mac screen. When you see it, click on it. Your Mac will pair with the mouse automatically — you won't need to enter a code. Once paired, the mouse will show as "Connected" in the Bluetooth panel, and you can start using it right away.

Using a wired receiver mouse

If your mouse came with a small USB receiver — a tiny stick about the size of a USB thumb drive — you don't need to pair anything. Simply plug the receiver into any USB port on your Mac. The port can be on the side of a MacBook, on the back of an iMac, or in a USB hub connected to your Mac.

Once the receiver is plugged in, move your mouse around. The cursor on your screen should move with it. If nothing happens, try these quick checks: make sure the mouse is turned on, replace the batteries with fresh ones, and move the mouse closer to the receiver. Wired receiver mice sometimes lose connection if they're too far away — usually more than 10 feet.

If the mouse still doesn't work, unplug the receiver, wait 10 seconds, and plug it back in. This resets the connection. If you have multiple USB ports, try a different one — occasionally a port isn't working properly.

What to do if your Bluetooth mouse won't connect

If your mouse appears in the Bluetooth list but won't connect, or if it connects and then disconnects, the first step is to forget the mouse and start over. In System Settings, go to Bluetooth, find your mouse in the list, and click the X or Remove button next to it. This erases the pairing from your Mac's memory.

Turn off your mouse completely, wait 10 seconds, and turn it back on. Then repeat the pairing steps above — hold the pairing button until the light blinks, and click the mouse name when it appears in the Bluetooth list. This fresh start fixes most connection problems.

If your mouse still won't appear after 30 seconds, restart your Mac's Bluetooth entirely. Go to System Settings, click Bluetooth, and toggle it off. Wait 10 seconds, then toggle it back on. Now try pairing again. If the mouse still doesn't show up, restart your Mac itself — shut it down completely, wait 30 seconds, and turn it back on. Then attempt pairing one more time.

Checking your mouse connection and battery level

Once your mouse is connected, you can see its status and battery level in System Settings. Open System Settings, go to Bluetooth, and look at your mouse in the list. It should say "Connected" next to the name. If it shows "Not Connected," click on it and try connecting again.

For Bluetooth mice, System Settings also displays the battery percentage. If the battery is below 10 percent, your mouse may disconnect or behave erratically. Replace the batteries or charge the mouse if it's rechargeable. For wired receiver mice, check the battery level by looking at any indicator light on the mouse itself — some mice have a light that changes color when the battery is low.

Troubleshooting a mouse that worked but stopped working

If your mouse was working fine and suddenly stopped, the most common cause is a dead or dying battery. Replace the batteries with fresh ones, or charge the mouse if it's rechargeable. Wait a few seconds after inserting new batteries before testing.

The second most common cause is interference. Bluetooth can be disrupted by other wireless devices like routers, cordless phones, or microwaves. Move your mouse closer to your Mac, or move other wireless devices away from your workspace. If you're using a wired receiver mouse, move the receiver closer to where you're using the mouse.

If the mouse still doesn't work, forget it from Bluetooth (or unplug the receiver if it's wired), restart your Mac, and pair or reconnect it again. This clears out any software glitches that might be blocking the connection.

Using your mouse after it's connected

Once your mouse is connected and working, you can customize how it behaves in System Settings. Open System Settings, then look for Mouse in the left sidebar. Here you can adjust the tracking speed (how fast the cursor moves when you move the mouse), the scrolling speed, and whether you want to use natural scrolling.

If you want to change which button is your primary button, or if you want to enable secondary click (right-click), those settings are also in the Mouse panel. Most people leave these at the defaults, but if you're left-handed or prefer different settings, this is where to change them.

Frequently Asked Questions

Can I use multiple mice on one Mac?

Yes. You can pair multiple Bluetooth mice to your Mac, and only one will be active at a time. If you have both a Bluetooth mouse and a wired receiver mouse connected, the Mac will use whichever one you move first. You can switch between them by moving the inactive one.

Why does my mouse cursor jump around or move on its own?

This usually means the battery is very low. Replace or recharge the batteries first. If the cursor still jumps after fresh batteries, move the mouse away from other wireless devices like routers or phones. For wired receiver mice, try moving the receiver closer to the mouse.

Do I need to pair my mouse every time I turn on my Mac?

No. Once a Bluetooth mouse is paired, it stays paired. Your Mac will remember it and reconnect automatically the next time you turn on the mouse. You only need to pair once, unless you remove the mouse from your Bluetooth settings.

What if my Mac doesn't have Bluetooth?

All modern Macs have Bluetooth built in. If you have an older Mac without Bluetooth, you can only use a wired receiver mouse. Plug the receiver into any USB port and it will work immediately.

Can I use a Windows mouse on a Mac?

Yes. Most mice work on both Windows and Mac computers. Plug in a wired receiver mouse or pair a Bluetooth mouse the same way you would with any other mouse. The only difference might be button customization — some Windows-specific mouse software won't work on Mac, but basic clicking and scrolling will.