Hi,   My reseller recently replaced the screen in my P775DM1-G. A single dead pixel appeared. I figured I'd take advantage of a 28 day dead pixel guarantee.   After the reseller returned the laptop to me, G-Sync has gone from Nvidia Control Panel. Was working fine before sending it back. Pendulum G-Sync demo will not allow me to select G-Sync.   I'm waiting for their response on why this has happened. Reported on Saturday, not come back to me yet.   In the