What is the solution to the black screen, stutter and slow response of Jdeveloper under Win7?

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Open the jdev.conf file with a text editor

C:\ p5856648_R12_GENERIC\ jdevbin\ jdev\ bin\ jdev.conf

Find the following

# Disable Direct Draw, on some Windows 2000/XP base computers

# Direct Draw is cause excessive screen refreshes and slows down drawing.

# AddVMOption-Dsun.java2d.noddraw=true

Remove the # in front of the last line!

# Disable Direct Draw, on some Windows 2000/XP base computers

# Direct Draw is cause excessive screen refreshes and slows down drawing.

AddVMOption-Dsun.java2d.noddraw=true

Save!

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