Original Full LCD Display Screen for MacBook Pro 15 4 A1707About the product1 Replacement full LCD screen assembly for MacBook Pro 15 4 A1707 (2016-2017) 2 Replace your broken or unusable item with a new one 3 Make your device look more refreshing than ever 4 Completely fit and work 5 Each item has been checked and in good condition before shipping 6 Professional installation is highly recommended We will not be responsible once the screen is installed Before Installation Notes1 Tips 1: Test before installation When testing, do not remove any protective film or tags Please pay attention to the problem of static electricity Before attempting any repair, be sure to ground yourself is an ESD (electro static discharge) strap This will prevent static electricity from damaging the electronic components within the phone Ensure you wear eye protection and use caution not to cut your finger with the glass splinters 2 Tips 2: Simulates testing Screen replacement is very fragile product We strongly suggest test before installation Please simulates testing, which means mobile phone apart, (motherboard + LCD or screen) connected audio cable and new replacement, power on, test finished If test OK, please install it If it can not show, please contact us at the very first time And please do not force it to be installed in mobile phone We will not be responsible once the screen is installed 3 Tips 3: Do not over-bend cable Please make sure LCD cable Do not over-bend Over 90 degrees bent will cause black display