Physically swapping out your mouse takes less than a minute

Changing your mouse means unplugging the old one and plugging in the new one. If your old mouse uses a wireless receiver (a small USB dongle), unplug that instead. Then plug in the new mouse's cable or receiver into any available USB port on your computer. Your operating system will recognize it almost when ready — you do not need to restart, install software, or do anything else unless the mouse came with a driver disc or setup instructions.

The only decision before you buy is whether you want a wired or wireless mouse. Wired mice plug directly into a USB port and never need batteries. Wireless mice use a small receiver that plugs into USB, or they connect via Bluetooth (a wireless standard built into most modern computers). Bluetooth mice do not need a receiver dongle, which saves a USB port.

Your old mouse will stop working the moment you unplug it. Windows, macOS, and Linux all treat any connected mouse the same way, so switching brands or models does not require any special steps.

Key Takeaways

  • Unplug your old mouse or its wireless receiver, then plug in the new one — no restart or software needed.
  • Wired mice never need batteries but take up a USB port; wireless mice need batteries or charging but free up that port.
  • Bluetooth mice connect without a receiver dongle if your computer has Bluetooth built in, which most modern computers do.
  • Your operating system recognizes a new mouse when ready, whether it is from the same brand as your old one or completely different.

Wired versus wireless: what the difference means for you

A wired mouse plugs directly into a USB port with a cable. It draws power from that port, so you never replace batteries or charge it. The cable can get in the way if your desk is cramped, and you cannot move the mouse far from your computer without unplugging it. Wired mice are usually cheaper than wireless ones.

A wireless mouse connects to your computer without a cable. Most wireless mice use a small USB receiver (called a dongle) that plugs into a USB port and communicates with the mouse using a private radio signal. Some newer wireless mice use Bluetooth instead, which means they do not need a separate receiver — they connect the same way your phone connects to wireless headphones. Wireless mice need either disposable batteries (AA or AAA) or a rechargeable battery that you charge with a USB cable. The trade-off is freedom of movement and a cleaner desk, but you have to remember to replace or charge the batteries.

If your desk is small or you already use most of your USB ports, a Bluetooth mouse saves you a port. If you move your mouse far from your desk or want to avoid batteries altogether, a wired mouse is simpler. If you like a tidy desk and do not mind replacing batteries once or twice a year, wireless is worth it.

Where to plug in your mouse

Your mouse plugs into any USB port on your computer. Most desktops have USB ports on the back and front of the case. Most laptops have USB ports on the sides. If you are out of ports, you can use a USB hub — a small device that plugs into one port and gives you four or more additional ports.

It does not matter which port you use. Your computer treats all USB ports the same way. If you have a choice, the back ports on a desktop are slightly more stable because they are less likely to get bumped, but the front ports work just as well.

If your mouse uses Bluetooth and your computer has Bluetooth built in, you do not need a USB port at all. Most laptops and newer desktops have Bluetooth. You can check by looking in your system settings: on Windows, search for "Bluetooth settings"; on Mac, go to System Settings and click Bluetooth; on Linux, the location varies by distribution but is usually in Settings or System Tools.

Setting up a Bluetooth mouse without a receiver

If your mouse connects via Bluetooth, you need to pair it with your computer once. Turn on the mouse and make sure it is in pairing mode — usually this means holding a button on the bottom for a few seconds until a light blinks. Then open your Bluetooth settings, look for the mouse in the list of available devices, and click it to pair. After that, the mouse will connect automatically whenever you turn it on.

Pairing takes about 30 seconds and only happens once. After the first time, your computer remembers the mouse and connects to it without asking. If the mouse does not appear in your Bluetooth list, check that it is in pairing mode and that Bluetooth is turned on in your settings. If you still cannot find it, restart the mouse and try again.

What to do with your old mouse

Your old mouse is electronic waste. Do not throw it in the trash. Most electronics retailers like Best Buy accept old mice and other computer equipment for recycling at no cost. You can also search for an e-waste recycler in your area using Earth911.com or your city or county's waste management website.

If the mouse still works, you can donate it to a school, library, or nonprofit that refurbishes computers. Some people also sell used mice online through Facebook Marketplace or eBay if they are recent models in good condition.

Troubleshooting a mouse that will not work

If you plug in a new mouse and nothing happens, try these steps in order. First, unplug the mouse and plug it back in. Second, try a different USB port. Third, restart your computer. If it is a wireless mouse with a receiver, make sure the receiver is fully inserted into the port — sometimes it sits slightly loose. If it is a Bluetooth mouse, make sure Bluetooth is turned on in your settings and that the mouse is in pairing mode.

If the mouse still does not work after these steps, the mouse itself may be broken. Try it on a different computer if you have one available. If it works on another computer, the problem is with your original computer's USB ports or Bluetooth, and you may need to have it checked by a technician. If it does not work on any computer, the mouse is faulty and you should return it or contact the manufacturer.

Frequently Asked Questions

Do I need to uninstall my old mouse before plugging in a new one?

No. Your operating system does not track individual mice the way it tracks printers or network connections. Unplugging the old mouse is enough — you do not need to uninstall anything or change any settings.

Can I use two mice at the same time?

Yes. You can plug in or pair multiple mice and use whichever one you want. Your computer will respond to input from any connected mouse. This is useful if you have a mouse at your desk and a laptop mouse you use while traveling.

What if my mouse cable is too short?

You can use a USB extension cable to move the mouse further from your computer. These are inexpensive and available at any electronics store. Plug the extension cable into your computer and the mouse into the extension cable.

Will a mouse from one brand work with a computer from another brand?

Yes. A mouse from Logitech works with a Dell computer, a Razer mouse works with a Mac, and so on. All mice use the same USB standard, so any mouse works with any computer.

How do I know if my computer has Bluetooth?

Check your settings: on Windows, search for "Bluetooth settings" and see if the option exists; on Mac, go to System Settings and look for Bluetooth; on Linux, check your system settings menu. If Bluetooth does not appear, your computer does not have it built in, but you can add it with a small USB Bluetooth adapter.