1st-gen Intel HD Graphics (Arrandale) First Boot Problem on macOS Sierra 10.12.6

Hey there. Recently along my dual boot setups of Windows XP and Windows 7, I decided to install macOS Sierra as a 3rd OS for the ThinkPad T410. However, while on the install portion it was fine (I disabled InjectIntel and added boot flag GraphicsEnabler=No), and on the first boot, I used the same except it got stuck on the Apple logo. And then, when I started with defaults, it appeared glitchy, with the same crap happening in 4 displays on one screen (like a windows logo or some crap like that.)

Here are my specifications: ThinkPad T410 (Lenovo)

Model: 2537-DV9

Graphics: Intel HD Graphics 1st Generation (Arrandale)

Memory: 4GB

Intel Core i5-520M

submitted by /u/theteleyator
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