Spiro W100i L Screen Display Problem Repair Solution

Repair hints on Spiro L Screen Display Problems.
1. Check the L Screen Module, have a new L screen replacement if damaged.
2. Check the L flex ribbon cable wire, replace if damaged.
3. Check the Flex Pin Connectors, cln if oxidized, resolder and replace if necessary.
4. Check the upper pad PCB board. Replaced if damaged.
5. If the above procedures won't fix the problem, re-hot or rework the CPU IC.