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StevenKhieu's avatar
StevenKhieu
Follower
Jun 03, 2026

M4300-52G-POE+ Bricked Recovery Method

Anyone knows how to recover from a power outage that bricked my M4300 ? 

M4300-52G-POE+

We had an outage. Power came back on, then the unit boots but none of the 52-ports came back up.

The OOB port lights up when plugged into, but nothing.

Then I console it and got the readout. 

It didn't even get past port0 and stalled out.

 

Here is the vid:  https://www.youtube.com/shorts/7Q5zGWaNzxY

 

About 8 seconds into it and the screen will show up

 

 

1 Reply

  • schumaku's avatar
    schumaku
    Guru - Experienced User

    Instead of a video - which becomes unreadable - use the PuTTY Session -> Logging, select (x) Printable  Output. Default file is named putty.log, use for example M4300-52G.txt - and upload as an attachment to the community.

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