I have installed the Catalyst 12.10 WHQL UnifL from LeshCast for my Hp Dv6 Laptop. But I am having a test mode water mark at the bottom. I tried to remove it using the command:

cmd(Admin mode) : bcedit.exe /set TESTSIGNING OFF

but when I reboot the system the graphics driver didn't work athough the watermark disappeared. So I had to turn it on again.
Can someone tell me how will I be able to remove the watermark without loosing the switchable graphic card drivers.