Have a specific GSdx 11 issue not covered here? Check the official PCSX2 forums or the #support channel on their Discord. Happy emulating!
Many PS2 games are compatible with the GSdx 11 plugin, making it a versatile choice for PCSX2 users. Pcsx2 Gsdx 11 Plugin
Ensure you have the latest installed on Windows. Open PCSX2 and go to Config > Plugin/BIOS Selector . Have a specific GSdx 11 issue not covered here