I upgraded and now I have blank on my menu

[eminot]

Hi all,
Congratulation for your forum
I have an issue since I upgraded my 12.10 Ubuntu . I Have blank on all buttons
I need to put the arrow on the menu to see the item
You will see in the attachment and you will better understand
You will see in the attachment and you better will understand
Apologies for my english
Kind regards,
Manu

[eminot]

Thank you for your help, I found a workaround, I modified the graphics properties.

kind Regards,
Manu):P