GD library not displaying image

[freefony]

am trying to use GD library it shows an empty img box on the browser showing that the imagecreate function and the http header are working but the img is empty showing no other function is working i ve tried on my friends computer and it worked so my codes are right but am guess its something with my configuration i need help i ve checked phpinfo() and my setting seems to be ok compared with what i see on the internet

GD Support enabled
GD Version bundled (2.0.34 compatible)
FreeType Support enabled
FreeType Linkage with freetype
FreeType Version 2.1.9
T1Lib Support enabled
GIF Read Support enabled
GIF Create Support enabled
JPG Support enabled
PNG Support enabled
WBMP Support enabled
XBM Support enabled


what could be wrong

[freefony]

somebody please reply