Hello I have just begun trying to use GRX. I can compile everything OK using Djgpp. However I am having difficulty running the test programs demogrx and bccbgi on my Windows XP and W2000 machines. I have read the very useful information given in the correspondence by Toby Ewing #185 and Mariano Fernandez #351. I have tied setting SET GRX20DRV = STDVGA then running demogrx 640 480 4. This works fine on my XP machine. But not on my W2000 laptop. The bgi test program does not work on either XP or W2000. Should it not be modified to take command line arguments for its parameters like demogrx? Although, this would not help for the W2000 laptop, I suspect. -- Pete Williams peter.williams173@ntlworld.com