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I have a stm32f4 discovery board , I installed keil and driver for st-link (st-link_v2_usbdriver). When I connect the board to pc I cant see any problem at device manager of PC and and at ST-LINK UTILITY I can control the board (connect , disconnect , firmware update etc...). But keil doesnt see my board it says No cortex-m sw device found and when I try to download code to board it says no target connected.
how can I solve this problem ?