When your Keychron wireless keyboard or mouse suddenly stops working, it can disrupt your workflow. Connection drops, unresponsive keys, or a frozen mouse are common frustrations for Keychron users, often caused by outdated drivers, pairing issues, or weak wireless signals.

Sometimes, only one device fails; other times, both disconnect at once. You might see a USB power surge warning or experience sudden Bluetooth drops.

With the right troubleshooting steps—like updating drivers or resetting Bluetooth—you can quickly resolve these Keychron device issues and get back to work.

Quick Fixes for Keychron Wireless Devices

If your Keychron wireless mouse or keyboard just stopped working, it’s probably something simple. Power, wireless connection, or drivers usually cause the trouble.

1. Check Power & Batteries

• Power switches: Ensure both devices are turned on.
• Batteries: Use fresh or fully charged batteries. For built‑in rechargeable models, charge via USB for at least 30 minutes.
• Contacts: For removable batteries, clean the compartments and ensure proper seating.

2. USB Receiver vs. Bluetooth

• Receiver (2.4 GHz): Plug directly into a reliable USB port (USB 2.0 often works best). Avoid hubs. Unplug and re-plug after a few seconds.
• Bluetooth Mode: Slide the device to Bluetooth and press the pairing button (often triggered with Fn + Q or Fn1 + 1). Remove it from your computer’s Bluetooth settings, then pair fresh.

Keep the receiver and device close—distance and interference (e.g. routers, microwaves) can disrupt signals.

3. Try a Factory Reset

If nothing else works, a factory reset might bring your device back to life. Follow the steps inKeychron’s official guide to factory resetting or flashing firmware. This can resolve firmware glitches or deep software-level issues affecting functionality.

4. Update or Reinstall Drivers & Firmware

Windows:

• Use Device Manager → right-click the device → Update driver by searching automatically.
• If issues persist, uninstall the device and reboot to allow Windows to reinstall its drivers.
• Alternatively: Use the Keychron Launcher Web App (or Toolbox) to flash firmware—Windows is fully supported

macOS:

• Keep macOS fully updated. Use the Keychron Launcher Web App or Toolbox to flash your keyboard’s firmware.

Still Not Working? Advanced Solutions

Some Keychron mice and keyboards just won’t budge, even after basic fixes. That’s when you have to dig deeper—maybe it’s interference, hardware, or some system setting gone rogue.

Fix Interference, Hardware, and Port Problems

Physical interference can block your wireless signals. Routers, microwaves, Bluetooth speakers—they all get in the way. Try moving your keyboard and mouse closer to your computer and away from other electronics.

USB ports matter more than you’d think. Try your receiver or cable in different ports, especially the ones built into your PC or Mac. Hubs can be unreliable.

Using a desktop? Test both the front and back ports. The rear ones usually have steadier power.

Unplug and replug your devices to nudge the connection. Keep an eye out for damaged cables or loose plugs—they’re sneaky sources of trouble.

Power settings can also play a role. On Windows, open Control Panel > Power Options and set your computer to “High performance.” If “Fast Startup” is on, try turning it off. It sometimes helps with USB or Bluetooth weirdness after sleep or shutdown.

Windows Updates can break things too. If you started having problems after an update, try rolling back or reinstalling your drivers.

How to Reset or Re-pair Your Devices

If your Keychron still won’t cooperate, a reset or re-pair might do the trick. Many models reset Bluetooth if you hold certain keys (like Fn + J + Z) for a few seconds. Check your manual for the exact combo.

To re-pair, remove the device from your Bluetooth list. On Windows, go to Settings > Devices > Bluetooth & other devices, find your keyboard or mouse, and click Remove. Put the device back in pairing mode and connect again.

For wired mode, try a different cable or USB port if your device won’t power up or connect. Sometimes it’s just a bad cable or battery contact. If your keyboard lights up but won’t type, grab the latest firmware from Keychron’s site.

If none of that helps, see if there’s a firmware update or reach out to Keychron support (support@keychron.com). Keeping spare batteries or an extra cable around for testing isn’t a bad idea either.

What To Do If Only One Device Fails

If your Keychron mouse goes dead but the keyboard’s fine—or the other way around—start with the battery. Low power can make stuff act weird or stop working altogether.

Make sure the device is on and set to the right pairing mode. For the mouse, check if the switch says “G” (for 2.4 GHz) or “B” (for Bluetooth).

Try reconnecting the device. For Bluetooth, remove it from your settings and pair it again. For wireless dongles, unplug and replug after a few seconds.

If your keyboard’s connected but not typing, look for the indicator lights. Red usually means low battery, green means it has power but might need a reset. Try holding fn (or fn1) + Z + J for 4 seconds—that’s a factory reset on some Keychron boards.

If it’s just the mouse acting up, try these:

• Check if the USB dongle is fully inserted.
• Switch to a different USB port.
• Hold the left mouse button and the button below the scroll wheel for a few seconds until the light flashes, then plug in the dongle.
• To factory reset the mouse: Hold down both the “DPI button” and “Report rate button” for 3 seconds. All LED lights will blink three times to confirm reset.

If nothing works, test the device on another computer. That’ll tell you if the problem is with the device or your computer. If it works elsewhere, update your drivers or poke around your USB settings.

How to Tell If It’s Hardware or Software

Wondering if your Keychron mouse or keyboard is acting up because of hardware or software? Here’s a quick way to figure it out.

First, do a basic check:

• Try the device on a different computer.
• Switch between wired and wireless modes if you can.
• Swap or recharge the batteries.

Hardware issues often look like this:

• No power lights at all
• None of the buttons or keys work
• Device isn’t detected on any computer or USB port
• Visible damage—broken ports, loose parts, that sort of thing

Software problems show up differently:

• Device appears in Device Manager with a warning icon
• Works sometimes, but not always
• Driver install or update fails
• Device only works in certain modes (wired but not wireless, for instance)

Quick Test Table

Open up Device Manager and look for warnings next to your keyboard or mouse. A yellow exclamation mark usually means a driver or software snag. Updating or reinstalling the driver often solves it.

Keychron devices sometimes need their own software. If yours isn’t recognized by Keychron Launcher, try using a wired or 2.4GHz connection—Bluetooth usually isn’t supported by their software.

Running through these steps should help you figure out if you’re dealing with a hardware dud or just a software headache.

Conclusion

If your Keychron wireless mouse or keyboard suddenly stops working, don’t panic. Start with the basics:

• Check the battery: Low power can make these devices disconnect or lag. Charge it up fully before you do anything else.
• Update your drivers: Open Device Manager on your PC and update your keyboard or mouse drivers. Old drivers are a common culprit for weird input issues.
• Test wireless modes: If you’re using a mouse, try switching between Bluetooth and the 2.4GHz dongle. Sometimes one just works better than the other.

If pairing fails, grab your Keychron manual and follow the reset steps. On some keyboard models, holding down certain key combos like Fn + 4 for 2.4G mode or Fn + Z + J can force a reset or start the pairing process again.

See a USB power surge warning? Unplug everything. Plug in only the Keychron device, and if you’re using the Keychron Launcher, make sure you’re on the latest browser version.

If your device won’t light up or charge, try leaving it plugged into a wall charger overnight. I know it sounds simple, but sometimes that’s all it takes to wake up a stubborn device.

Want to know which kind of keyboard is best for your setup? Read our guide: Wired vs. Wireless Keyboard: Which Should You Choose?

Frequently Asked Questions

Why did my wireless keyboard and mouse stop working?

Your Keychron wireless keyboard and mouse might stop working if Bluetooth or the USB dongle connection gets interrupted. Low battery, old drivers, or interference from other wireless stuff can also mess things up. On Windows 10, installing the wrong drivers—like Apple keyboard drivers—can cause real headaches.

Check your device’s Bluetooth or USB connections, and update drivers in Device Manager. Sometimes it’s just that simple.

Is there a reset button on a wireless keyboard?

Most Keychron wireless keyboards don’t have a physical reset button. But you can usually do a factory reset by holding down some keys. For Keychron models, try holding Fn (or Fn1) + Z + J for about four seconds.

This trick can help clear out pairing problems or random glitches.

Why is my wireless keyboard not working even with new batteries?

Even with fresh batteries, things can go wrong if you put them in backwards or if the keyboard isn’t paired right. Sometimes it’s a software conflict, outdated drivers, or just interference from other devices.

If you’re on Windows 10, open Device Manager and look for errors. You might need to remove and re-add the keyboard.

Do wireless keyboards go bad?

Wireless keyboards don’t last forever. If you use yours a lot, you’ll probably notice some wear eventually.

Electrical parts and batteries start to break down as time goes on. Key switches might just quit working, sometimes out of nowhere.

Dust, spills, or even leaving your keyboard in a hot car can really cut its lifespan short. If your Keychron keeps dropping its connection or certain keys stop responding, yeah, it’s probably time to fix it—or just get a new one.