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Most keyboard problems have simple fixes. If the board is beyond saving, our best mechanical keyboards guide has solid replacements. Before you decide the board is dead, run through this checklist.
Keys Not Registering
Try a different USB port first — USB controller issues are common and easy to rule out. Unplug and replug the cable. If wireless, check battery level and receiver connection.
If a specific key stopped working: remove the keycap and inspect the switch stem — it may be bent. On hot-swap boards, reseat the switch (pull it and push it back in firmly). On soldered boards, the solder joint may have cracked — this requires a soldering iron to fix.
If multiple keys in the same area stopped working after a spill: the PCB trace may be shorted by liquid. Unplug immediately, dry thoroughly (24 to 48 hours in a warm dry space), and test again. Isopropyl alcohol (90%+) helps clean corrosion from liquid spills.
Keys Registering Twice (Chatter)
Chatter happens when a switch registers two keystrokes from a single press. It’s usually a worn switch spring or contamination in the switch housing. Some keyboards have a debounce setting in software — increase it slightly to filter double-registers. If chatter persists, clean the affected switch with isopropyl alcohol. If that doesn’t fix it, the switch needs to be replaced (or the board needs to go back under warranty).
Keys Feeling Scratchy or Inconsistent
Debris in the switch housing causes scratchy or inconsistent keypress feel. Remove the keycap, use compressed air to blow out the switch, and swab with isopropyl alcohol. For linears specifically, lubricating the switch stem eliminates most scratchiness — a thin coat of Krytox 205g0 makes a big difference.
Keyboard Not Recognized by Computer
Update your USB drivers via Device Manager. Try the keyboard on a different computer to determine if it’s a keyboard issue or a PC issue. Check if the cable is fully seated — some detachable cable keyboards have a loose fit at the keyboard end. Try a different USB cable if the current one is worn.
RGB Not Working
Check that the keyboard software is installed and running. Some boards require the software to run in the background for RGB to function. Try uninstalling and reinstalling the software. If RGB is partially working (some keys lit, some not), a specific key’s LED may have failed — generally a cosmetic issue only, doesn’t affect function. Full RGB failure after a firmware update: try rolling back the firmware via the manufacturer’s support page.
Wireless Connectivity Issues
2.4GHz wireless keyboards can interfere with WiFi (both use the 2.4GHz band). Move the receiver USB dongle closer to the keyboard or to a USB extension cable away from other 2.4GHz devices. Bluetooth keyboards: unpair and re-pair from scratch. Check that no other device is connected to the same Bluetooth profile — some keyboards only connect to one device at a time.
