Backlit keyboard does not light up


guys, have following problem.

macbook pro '13 mid-2009 heating much, decided open , clean it. when disconnected cables logic board , tried remove logic board, screws not because screws difficult unscrew. reassembled whole machine , use noticed backlit keyboard not sparking more , fan running , stopping. worrisome cooler running , leaving mac in danger of overheating.

have idea happened? tried resetting smc several times , not worked. looked see if had cable disconnected correct. have conviction damaged not physically.


:(:(:(:(
 

you may have damaged part of smc (fan issues) or cables running keyboard (no kb backlight) when tried board out. did remove or bend heatsink/cooler assembly when took board out?

also, when fans starting , stopping, fan stopped (0 rpm) or spinning (2000 rpm)? verify fan rpm can download smcfancontrol or macs fan control. both of these apps show fan speeds , temperatures in system.
 


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