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CPS Tests

Click tests

Double Click Test

Time your double clicks, or check whether your mouse clicks twice on its own.

Double-click here

We time the gap between the two clicks of each double click

–Last
–Average
–Fastest
–Doubles
Your recent double clicks Gap in ms, lower is faster

Your double clicks will be charted here.

How to use the double click test

  • Speed: double-click the box to see the gap between your two clicks in milliseconds.
  • Fault check: click slowly, about once a second, with the button you want to test.
  • Any click that registers twice within 80 ms is flagged as suspicious.

Why a mouse double clicks by itself

When a mouse switch wears out, its metal contacts can bounce and send two clicks for one press. This is called switch chatter. Folders opening when you only meant to select them and drags that drop halfway are typical signs. A new switch fixes it, so check your warranty first.

Frequently asked questions

How do I know if my mouse is double clicking?

Switch to Fault check and click calmly about 50 times. If no click gets flagged, the switch is behaving.

Can a double-click fault come and go?

Yes. Early chatter often shows up only now and then, so let the check run for a few hundred clicks if you are unsure.

Can I fix it without opening the mouse?

Sometimes. Raising the debounce time in your mouse software can hide mild chatter, but a worn switch usually needs replacing in the end.

What is a good double-click speed?

Anything your computer reliably recognises as a double click is fine. In this test, a gap under about 150 ms is quick and under 100 ms is very fast.

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