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Unreadable drop-down lists

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I've updated Thunderbird to the version 31.4.0, and now I've got strange unreadable drop-down lists (please see pictures attached). While I move the mouse over the lists, they act strange (as showed on pic 2). My configuration: Samsung laptop and Win 7 Home Edition. Thank you!

Alexander

I've updated Thunderbird to the version 31.4.0, and now I've got strange unreadable drop-down lists (please see pictures attached). While I move the mouse over the lists, they act strange (as showed on pic 2). My configuration: Samsung laptop and Win 7 Home Edition. Thank you! Alexander
Attached screenshots

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Just one thought, have you updated your graphic cards drivers? My problem with TB drop down menus were fixed when I updated my Nvidia driver.

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Chosen Solution

Just one thought, have you updated your graphic cards drivers? My problem with TB drop down menus were fixed when I updated my Nvidia driver.

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Thanks a lot, Gnospen.

I have updated the driver, but it seems that the problem was in AMD Radeon Dual Graphics, once I switched this option off, the issue has gone.