keil调试时出现device could not be powered up

root时出现device not found怎么办? 安装系统时出现File setupdd.sys could not be loaded.The error code i 用Matlab求解定积分作图时出现Explicit integral could not be found 积分求解下式 用matlab求解时出现Explicit integral could not be found. 安装office2007时出现the ordinal 365 could not be located in the D 为什么总是出现The service could not be started ipad2 越狱时出现 sorry the attached device is not supported keil编译时出现reference made to unresolved external, iPad2 越狱出现sorry the attached device is not supported KEIL中target not created 打开Eclipse时出现Error:could not open 卸载软件时出现 could not load intialization file