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Screen and touch not working properly

Hi all, I have some problem on my gadget, Samsung Galaxy Tab S 8.4, screen lighting up, change to another colour (blue colour, sometimes yellow), and touch not working when screen changed to another colour.

Sorry about my English, I hope have somebody can help to solve this problem, thanks.

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Open the tablet, disconect the display module cable(flex cable) an clean with isopropyl alkohol... I have samé

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Just wipe clean the flex cable?

Thanks a lot, I will try to repair my tablet

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Zakaria Fuad crwdns2934231:0crwdne2934231:0
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