# Issue Summary - **Type**: *Question* - **Category**: *Example* - **Priority**: *Medium* - **Release Version**: All -------------------------------------------------------------------------------- ## Development Environment - **HOST OS** Windows 10, 64Bit - **TOOLCHAIN** ARC GNU 2019.03. - **BOARD** IoTDK - **ARC CORE** EM9D. # Question As image shown below, how can I fix "Card did not respond to voltage select!"? 