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Mouse scroll wheel jumping or scrolling the wrong way

The scroll test above counts steps that go the opposite way. A few reversed steps while scrolling one direction is the classic sign of a dirty or worn wheel encoder.

23 अक्टूबर 2026 को समीक्षा की गई

इस गाइड का अनुवाद अभी नहीं हुआ है, इसलिए यह अंग्रेज़ी में दिखाई गई है।

पहले एक त्वरित टेस्ट करें

चरण

  1. 1

    Blow out the wheel

    Unplug the mouse. Blow compressed air into the gaps on both sides of the wheel while rolling it.

  2. 2

    Check free-spin mode

    Some mice switch between notched and free-spinning scrolling with a button behind the wheel. Free-spin can overshoot.

  3. 3

    Adjust scroll settings

    On Windows, Settings › Bluetooth & devices › Mouse sets how many lines each notch scrolls. On a Mac, System Settings › Mouse sets scrolling speed and natural scrolling.

  4. 4

    Wireless: fresh batteries, closer receiver

    Weak batteries and distant receivers cause erratic input.

अब भी काम नहीं कर रहा?

  • If cleaning doesn't help, the encoder is worn. Replacement or a warranty claim is the reliable fix.

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