Hikvision poe video recorder's power adapter light flashes, so it can't be turned on.

What you want to ask is why the power adapter light of Hikvision poe video recorder flashes and can't be turned on. This is due to power adapter failure, power cord connection problems, etc.

1. The power adapter will be damaged or unable to supply power normally. You can replace the power adapter to ensure that it can provide the correct voltage and current.

2. Check whether the power cord is correctly connected to the video recorder and the power adapter, and ensure that there is no looseness or poor contact between the plug and the socket.