black screen time machine mavericks
After installing Mavericks on a 2009 Quad-core Xeon the only thing (so far) which doesn't work properly is Time Machine. When you enter it a black rectangle is overlaid stopping you selecting anything. It happens even with the second monitor disconnected. I attach a photo:
Time machine seems to be working fine otherwise.
Any ideas?
Kingsley
Mac Pro, OS X Mavericks (10.9), Time Machine