Help black screen

[freestyler3972]

anyone got any ideas as to why my screen goes blank when im making a call im unable to do anything once iv dialled the number im running cynagen 10 on OSF n its annoying me when it does what it does PURLEEEEEEEEEEEEEZZZZZZZZZZZZZZ HELPPPPPP

 

[De@n]

anyone got any ideas as to why my screen goes blank when im making a call im unable to do anything once iv dialled the number im running cynagen 10 on OSF n its annoying me when it does what it does PURLEEEEEEEEEEEEEZZZZZZZZZZZZZZ HELPPPPPP

Sounds like you forgot to calibrate your proximity sensor.