A received down/up sequence proves the complete keyboard-to-browser path delivered that event.
IP-KEY-01 / KEY / CODE / LOCATION
Keyboard Ghosting Test
Observe missing or unexpected browser key events during controlled multi-key chords.
A keyboard drops or adds keys during gaming combinations.
This focused entry uses the shared Keyboard protocol. The measurement logic and Evidence version remain identical to the complete lab.
Remove the easiest false alarms first.
01
Match the visible layout, focus the test surface and close shortcut-heavy apps.
02
Press deliberate full chords; repeat the same chord before calling a key missing.
03
Test repeat and chatter with one key at a time so OS repeat is not confused with switch bounce.
Run one repeatable protocol.
- 01
Run a known challenge chord.
- 02
Repeat the same chord three times.
- 03
Separate consistently missing keys from one incomplete press.
Evidence the result should expose.
DIRECT / INFERREDReceived keys
DIRECT / INFERREDMissing keys
DIRECT / INFERREDUnexpected keys
DIRECT / INFERREDRepeat consistency
Separate observed, review and inconclusive.
Repeat missing keys or rapid reactivations and compare the same chord in a plain text field or system tester.
Reserved shortcuts, OS repeat settings and browser focus can hide or reshape events without a keyboard fault.
Start with the likely path, then retest.
01
Electrical matrix limit
02
Browser shortcut capture
03
User timing