transparency

For some reason, on Sierra, my dock and title bar are opaque grey, instead of transparent. I am a massive fan of the macOS trasparency effects, but I am notting getting them. Any help would be appreciated. Thanks, -Jack

macOS Sierra on my laptop doesn't have the translucent dock or notification center like other devices. It's probably because of the older hardware. Is there any way I can enable translucency? (1: current dock, 2: expected dock)

I recently decided to purchase the following setup for an all-in-one system: Intel Core i5-4690K EVGA GeForce GTX 750 Ti SC 8.0 GB DDR3 @ 1600 MHz 1.0 TB HDD @ 7200 RPM (Yosemite Installation Drive) 160 GB HDD @ 5400 RPM (Time Machine Drive) 120 GB HDD @ 5400 RPM (Unused at the moment)...

Howdy. This turned out to be a long post (I pasted the config files in at the end-in case someone could see the problem). I'll say; "Thanks (very much!) now, and let you read the post, and hopefully suggest a fix. Basic issue - nVidia 760GTX OC model shows up in system info with 0mb ram, and...