if you need more details check here http://1stminingrig.com/claymores-cryptonote-amd-gpu-miner-v10-2-update-review/
You are killing noobs with your wrong environment vars setting in bat file )))
Quote
GPU_FORCE_64BIT_PTR 1
GPU_MAX_HEAP_SIZE 100
GPU_USE_SYNC_OBJECTS 1
GPU_MAX_ALLOC_PERCENT 100
GPU_SINGLE_ALLOC_PERCENT 100
GPU_MAX_HEAP_SIZE 100
GPU_USE_SYNC_OBJECTS 1
GPU_MAX_ALLOC_PERCENT 100
GPU_SINGLE_ALLOC_PERCENT 100
What should or shouldn't be there then?
![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)
setx needs to be added to the front of each line.
setx GPU_FORCE_64BIT_PTR 1
setx GPU_MAX_HEAP_SIZE 100
setx GPU_USE_SYNC_OBJECTS 1
setx GPU_MAX_ALLOC_PERCENT 100
setx GPU_SINGLE_ALLOC_PERCENT 100