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After scrolling on a page the text becomes unreadable. When highlighted it is readable but only until I scroll again. This happens only in Firefox. Any help?

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Almost any page I open in Firefox is readable when opened but when I scroll up or down the text starts to break up and become unreadable. I can read the text if I highlight it but if I scroll up or down it breaks up again. I even had to highlight the directions on the previous page that instructed me on a sufficient password. This only occurs while in Firefox. IE doesn't have a problem with the same page as Firefox. I changed monitors and still have the same problem. Since it doesn't happen in IE I don't think I have a bad video card. I tried the "Reset Firefox" thing but it didn't help.

Almost any page I open in Firefox is readable when opened but when I scroll up or down the text starts to break up and become unreadable. I can read the text if I highlight it but if I scroll up or down it breaks up again. I even had to highlight the directions on the previous page that instructed me on a sufficient password. This only occurs while in Firefox. IE doesn't have a problem with the same page as Firefox. I changed monitors and still have the same problem. Since it doesn't happen in IE I don't think I have a bad video card. I tried the "Reset Firefox" thing but it didn't help.

Valittu ratkaisu

Try to disable hardware acceleration in Firefox.

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Valittu ratkaisu

Try to disable hardware acceleration in Firefox.

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Thank you very much. This seems to have solved the problem.

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You're welcome.

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Disabling "Use hardware acceleration when available" worked for me, too! Thanks for the tip!

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You can also try to set the gfx.content.azure.enabled pref to false or if this didn't help disable Direct2D by setting the gfx.direct2d.disabled pref to true on the about:config page and leave hardware acceleration otherwise enabled.

You can also try to uninstall Windows update KB2670838 if you have this update.