I have changed it still same results. 
also changed drivers on Crimson 16.9.2 Is my fan speed is also ok ? its 55 % all the time.
also changed drivers on Crimson 16.9.2 Is my fan speed is also ok ? its 55 % all the time. You can put you fan on auto. I don't like to force a value because what if for some reason it needs to go higher.
Try to dual mine with DCR Intensity at 27 (-dcri 27)
Quote
setx GPU_FORCE_64BIT_PTR 0
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
EthDcrMiner64.exe -epool URL:PORT -ewal USERNAME -epsw x -allpools 1 -dpool stratum+tcp://URL:PORT -dwal USERNAME -dpsw x -dcoin dcr -dcri 27 -mport 3333
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100
EthDcrMiner64.exe -epool URL:PORT -ewal USERNAME -epsw x -allpools 1 -dpool stratum+tcp://URL:PORT -dwal USERNAME -dpsw x -dcoin dcr -dcri 27 -mport 3333