What is going on??? MY screen goes up and down control when I move the cursor and extends and shrinks when I move the cursor on the screen.

When I move the cursor to the top or the bottom of the screen literally flies upwards or downwards. When I move the cursor through the scree, it expands or shrinks.

Try disabling hardware acceleration in Firefox.

You may need to also a (hardware) problem with the mouse or the mouse driver.

Tags: Firefox

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