keyboard test
Stuck Key Test
Identify keys that appear to stay pressed after release.
No accountLocal where possibleRetest anytime
Press keys now
Active keys turn green. DeviceOK uses browser keyboard events; some system-reserved keys may not be exposed.
EscapeF1F2F3F4F5F6F7F8F9F10F11F12`1234567890-=⌫TabQWERTYUIOPBracketBracket\CapsASDFGHJKL;'EnterShiftZXCVBNM,./ShiftCtrlMetaAltSpaceAltMetaCtrlUpDown
Keys seen0
Currently held0
Max simultaneous0
Chatter flags0
Private by design
Test input is processed in your browser where possible.
Use the result as evidence, not a guess.
This test checks
- Key down
- Key up
- Held state
How to read it
A passing browser test confirms that the browser can observe this input/output path.
A failing test narrows the issue but does not by itself prove physical hardware failure.