Try these steps in order, based on common causes for Microsoft wireless keyboards that suddenly stop responding:
- Check the basics again
- Confirm the batteries are fresh and correctly oriented in the Microsoft 2000 keyboard.
- Make sure there is no dirt or corrosion in the battery compartment and that the contacts are clean and making solid contact.
- Reseat and move the USB receiver
Even if the USB port appears fine, the receiver or specific port can still be the issue.- Unplug the keyboard’s USB wireless receiver, wait 10–15 seconds, then plug it back in.
- Try another USB port on the laptop. If available, prefer a port on the opposite side or one directly on the laptop instead of through a hub or dock.
- If using a USB hub, dock, KVM, or port replicator, bypass it and plug the receiver directly into the laptop.
- Check for wireless interference and distance
- Make sure the keyboard is close to the receiver (no large metal objects or thick walls between them).
- Move other wireless devices (Wi‑Fi routers, cordless phones, other wireless dongles) away from the receiver to reduce interference.
- Resync/reset the wireless connection
- Look for a Reset/Connect button on the bottom of the keyboard and/or on the USB receiver.
- Press the reset button on the receiver (if present), then on the keyboard, to re-establish the connection.
- If there is no button on the receiver, unplug it, wait ~10 seconds, and plug it back in to force a reconnection.
- Test the keyboard on another PC
- Connect the same USB receiver and keyboard to a different computer (Windows 10/11 if possible).
- If the keyboard does not work on another PC, the keyboard or receiver is likely faulty and may need replacement.
- If it does work on another PC, the issue is more likely with the laptop’s configuration or drivers.
- Update or reinstall drivers on Windows 11
- Open Device Manager (search for
device managerfrom the taskbar). - Under Keyboards and Mice and other pointing devices, locate any entries related to the Microsoft keyboard/receiver.
- Right‑click each relevant device and choose Update driver, then follow the prompts.
- Also run Windows Update (search
check for updates→ Check for updates) to install any available driver or system updates.
- Open Device Manager (search for
- Check for hardware failure
- If the keyboard has intermittent issues (sometimes works, sometimes not) and an external keyboard works fine on the same laptop, the Microsoft 2000 keyboard hardware may be failing.
- If multiple USB devices show issues on that laptop, the problem may be with the laptop’s USB subsystem instead.
If, after these steps, the keyboard still will not connect but other USB devices work reliably and the keyboard fails on another PC as well, replacement of the keyboard/receiver is the only practical fix.
References:
- Mouse and keyboard problems in Windows
- Your wireless mouse or keyboard does not respond or you receive a “The wireless <device name> signal quality is low” error message
- Troubleshoot problems with your Surface mouse or keyboard
- USB Keyboard and Mouse May Not Work After Restart or Hibernation
- keypad issue - Microsoft Q&A