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Die vierte Generation des Surface Pro Tablets, erschienen am 26. Oktober 2015

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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?

von

Hello together,

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?

Thank you.

von

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?[br]

[br]

I used the same tacky backside that the L-shaped board had, I didn’t need to use new double-sided tape.

von

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.

[edit] 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?

von

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

von

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A possible cause is that the short ribbon connectors that go back into the small L shaped board that had to be transferred from your old screen to the new screen. If these ribbon cables are not pushed in far enough or are slightly off the touch will not work or works strangely. I read this on another forum somewhere and can no longer find it but it seems a possible culprit to me.

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This could be a bad screen from the factory or the digitizer cable may not be seated properly, I would suggest opening it back up and reseating that cable and if that fails I would try sending the screen back for a replacement to the company you got it from.

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Check if the LCD touch mainboard is grounded to LCD, there is a conductive glue in back…if not use a tinfoil to make connection…in some case there are some electromagnetic interferences that can prevent operation.

Good luck!

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All above suggestions are 100% correct.

If the touch is still not working give it sometime, maybe 10-15 mins.

I have replaced many Digitizers for Surface Pro 3,4,5,6 and one thing I notice is for some replacements touch wont work immediately and it may take upto 5-10 mins.

Maybe some drivers are being installed in background. Give it a try, Goodluck!

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Badra wird auf ewig dankbar sein.
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