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I noticed this the very first day I received my Alienware M17x R4 two years ago, and I ignored it until now but I now have a reason why I'd like to run with AMD's Enduro Switchable Graphics disabled. Doing so (Fn+F7 or equiv.) causes the built-in LCD to display a reduced color palette, even though it's set to 32-bit color on the desktop. There is also this weird interlaced look to the display in this mode - it's hard to capture with a camera but I'll attach a picture. 16-bit desktop color setting looks normal and there's no interlacing but 16-bit color sucks for Win7. Has anyone else observed this color depth reduction / display interlacing? (Discrete card is AMD Radeon HD 7970m) Why does it occur with Enduro off? Is there a fix or workaround to run in full discrete-only GPU mode and still have full 32-bit color so that Windows looks as good as it does with the Intel GPU? Thank you!