Fedora 19 KDE installation problem

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http://forums.fedoraforum.org – hello dear fedora forum community, i tried to install FE19 KDE as dual system for my windows 7. So i restarted my PC booted from the DVD and tried to start the Live System. After that only a grey desktop appears with a blinking cursor on the top left. I tried to press any buttons but nothings works. This are my PC specs. Windows 7 4GB Ram 3.4Ghz Quadcore Geforce GT 610 Gigabyte Motherboard I hope someone can help me. (HowTos)