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2.  Slightly lift up the end part of Screwless M.2 Shield Frozr heatsink and move it 
forward to uninstall the heatsink. 
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3.  Remove the protective films from the M.2 thermal pads on the M.2 plate. 
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4.  If you install 2260 SSD, remove the screw from the M.2 plate and then install 
supplied EZ M.2 Clip kit on the M.2 plate. Skip this step if you install 2280 SSD. 
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2260 SSD