05-30-2019 08:49 AM - edited 05-30-2019 09:58 AM
I have 3 Laptop with the same problem, The screen it goes off and on constantly. I tryed update the drivers, and make reset to the motherboard. You have another idea to do?
The computers have more 2 years with me. the problem is recently.
05-31-2019 12:00 PM
Hello Pablio, Thanks for writing back. Since you have already tried updating the machines drivers and reset the motherboard there is a high chance that the machines may be experiencing a hardware issue. We recommend trying this troubleshooting steps that is recommended by your fellow Flex 4 users in this article: https://forums.lenovo.com/t5/Lenovo-IdeaPad-1xx-3xx-5xx-7xx/Flex-4-1480-Display-Problems/td-p/395498....
Open Laptop back cover
Firmly connect the Silver colored wire to the board.
Hardware maintenance manual(Disassembly guide)
Let us know if this helps out. Thanks.