机子每个USB口一般最多可供应500mA电流,如果移动硬盘电流消耗太大就得上外接电源。看看移动硬盘标签上有没有电流需求。
机子每个USB口一般最多可供应500mA电流,如果移动硬盘电流消耗太大就得上外接电源。看看移动硬盘标签上有没有电流需求。
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