# 相机无法启动

* [相机API调用时序问题](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/camera-api-faq)  
* [相机预览流启动问题](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/camera-previewoutput-faq)  
* [会话配置问题](https://developer.huawei.com/consumer/cn/doc/harmonyos-guides/camera-sessionconfig-faq)