N5200 LCD not working

The LCD on my 5200 is not working. the back light still comes on but no text.
Th N5200 is out of warranty.
I have disassembled the unit clean with electronic solvent cleaner and re assembled.

made no difference.

is there anything i can do to fix this (ie get new LCD)

Dear Sir,

If the LCD with back light but no text, please contact with your Thecus reseller or distributor for RMA service directly.