The two middle screws at the rear are shorter screws. Sounds like you placed the screws into the wrong holes here.
Take a look at this IFIXIT guide for the full story: [guide|23426] Its also possible someone messed up in putting the cover on if you just had the system serviced.
=== Update (08/07/2018) ===
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OK now I get it! The covers hole enlarged so the screw pulled through it.
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Sorry to say you'll need to get a new bottom cover. Here's one source [https://www.macpartsdepot.com/923-0561-bottom-case-cover-a1502-for-macbook-pro-retina-13-inch-late-2013.html|Boom Case Cover for A1502 MacBook Pro Retina Late 2013 - Apple P/N 923-0561]
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Sorry to say you'll need to get a new bottom cover. Here's one source [https://www.macpartsdepot.com/923-0561-bottom-case-cover-a1502-for-macbook-pro-retina-13-inch-late-2013.html?|Bottom Case Cover for A1502 MacBook Pro Retina Late 2013 - Apple P/N 923-0561]
The two middle screws at the rear are shorter screws. Sounds like you placed the screws into the wrong holes here.
Take a look at this IFIXIT guide for the full story: [guide|23426] Its also possible someone messed up in putting the cover on if you just had the system serviced.
+
+
=== Update (08/07/2018) ===
+
+
OK now I get it! The covers hole enlarged so the screw pulled through it.
+
+
Sorry to say you'll need to get a new bottom cover. Here's one source [https://www.macpartsdepot.com/923-0561-bottom-case-cover-a1502-for-macbook-pro-retina-13-inch-late-2013.html|Boom Case Cover for A1502 MacBook Pro Retina Late 2013 - Apple P/N 923-0561]
The two middle screws at the rear are longer screws. Sounds like you placed the screws into the wrong holes here.
+
The two middle screws at the rear are shorter screws. Sounds like you placed the screws into the wrong holes here.
Take a look at this IFIXIT guide for the full story: [guide|23426] Its also possible someone messed up in putting the cover on if you just had the system serviced.
The two middle screws at the rear are longer screws. Sounds like you placed the screws into the wrong holes here.
Take a look at this IFIXIT guide for the full story: [guide|23426] Its also possible someone messed up in putting the cover on if you just had the system serviced.