cgminer problems whith AMD HD3470

[labe971]

Hi all, im a newbie. I want to try to mine some coins but i have some problems..

os: WIN 7 Professional

I installed the following drivers:

amd 13-1_vista_win7_win8_64_dd_ccc_whql
AMD-APP-SDK-v2.8-Windows-64

cgminer 3.7.2

cgminer -n

CL Platform 0 vendor: Advanced Micro Devices, Inc.                   
CL Platform 0 name: AMD Accelerated Parallel Processing                   
CL Platform 0 version: OpenCL 1.2 AMD-APP (1084.4)                   
Error -1: Getting Device IDs (num)                   
clDevicesNum returned error, no GPUs usable                   
0 GPU devices max detected 

any tips?
what shoud I do?

Thank you

[Minerist]

You shouldn't mine with this card.