Touch screen won't work after screen replacment
I just replaced the screen on my surface pro 4 and everything went smoothly except when I booted it up. It worked fine it showed the display but the touch screen wouldn't work. I've tried disabling the touch from device manager but it wouldn't work.
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how did you resolve this?
door Raul Glasgow
I have just exchanged the display of my Surface Pro 4 and the touch does not work anymore.
I have verified the ground connection between the lcd and the L-shaped board from the screen, I have verified that the cables are all pushed in correctly, unfortunately it still does not work.
Do you have any ideea what I should do? Maybe schematics?
door Mihai Köhler
Having same problem, after swapping out screen. Transferred the L-shaped board from the old screen. and connectors seems seated ok. Where is the ground connection between this board and the screen, exactly?
I used the same tacky backside that the L-shaped board had, I didn’t need to use new double-sided tape.
I reseated screen ribbons and also the ribbon into the L board (digitizer) and had several odd effects indicating the touch was "almost" working. I left it alone for a few minutes and when I came back it was was working! Not a good feeling. I have nickel pen and silver epoxy from fixing car defogger. I am tempted to glue the digitizer or put a drop of nickel on the mounting hole on the L board that unfortunately does not have a threaded hole to connect to. I have a strange shaped piece of plastic left over. About the size of the erase end of a common pencil. I don't know where it goes.
 I did not glue the new battery and am looking for plastic slide in poster frame edges as I don't want to glue the screen. Any ideas?
door Joseph Stateson
Help! After a few minutes, the screen starts shaking. First very little then flickers terribly to were not usable. Then clears up perfectly for a minute or two then goes bad. I disconnected the digitizer but it made no difference. I want back and used artic silver instead of the cheap white stuff. It looks like the screen is the one heating up, not the SP4 system. It has been 60 days since I got the screen. I just read that I should have used an SP5 screen made by LG and not a samsung. Could this be the problem? Everything else is working
door Joseph Stateson
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