卡在卡机画面或者没有输出的， 用户在强制升级后未解决的，可以插拔硬盘试一下。
Please unplug the HDD of this NVR and don't plug it back to check whether you have image on the monitor after you unplug the HDD. You may refer to the picture below to unplug it.
No output from NVR
卡在卡机画面或者没有输出的， 用户在强制升级后未解决的，可以插拔硬盘试一下。
Please unplug the HDD of this NVR and don't plug it back to check whether you have image on the monitor after you unplug the HDD. You may refer to the picture below to unplug it.
Work Time: Monday - Friday UTC+8 08am to 06pm
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