Place the eyes of ender in the portal blocks, success.
In order to activate it, you need 12 Eyes of Ender.
Make sure there is no grass or anything blocking the portal.They should probably be in the decorations section.They can be rather finicky.M/?p1480 How to make an end portal in minecraft is simple, in fact you probably already tried, but there are some problems that people run into when trying to make a minecraft portal in minecraft.9.Question, i followed all of the instructions, but my portal can't open.Now then, if you are in Creative, you are able to obtain End Portal Frames.Steps to building a End Portal in Minecraft.Other than that you should have an easy enough time making a portal in minecraft.9.All you have to do is organize in this pattern, then put the Eyes of Ender on each slot and you have an End Portal.Try standing in one spot in the middle of where you'd like the portal, then placing down the end portal frames around yourself.You can't make an End Portal in survival.

These are made from a Ender Pearl and Blaze Powder.
If its not working, make sure all the blocks are facing the proper direction.
You need 12 End Portal blocks and 12 Eyes of Ender.
You need a 5x5 area of clear flat ground.
If it is still not working, and you are sure that everything else is perfect, try knocking out two or three of the blocks are replacing them, that will fix.First of all, you need to make sure you place all your end portal blocks in the correct direction, second of all there can't be anything in the middle.Place all end portal blocks facing the same direction.What should I do?All you have to do is place it on an End Portal Frame and bam, you got an End Portal.You must be in creative mode.There are 2 ways to make an End Portal, you can either build the frame yourself or you can find a frame already assembled in a Stronghold.An End Portal, commonly found minecraft forum banner maker in Strongholds.Updated on Jun 27th, 2013, 6 years ago 3 logs Published on Sep 17th, 2012, 6 years ago.Make a five by five area, I made mine out of wool and used red and black wool as a kind of chart system to better show you how to make the portal.