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GS724Tv3 does not boot after firmware update
I recently purchased another used GS724Tv3 switch from eBay (I already have 2 others) and was in the process of updating the firmware to the latest 5.4.2.25 version through the web GUI as I have done...
I was in the same boat as you after bricking my GS724Tv3, and fortunately I found someone in the Netherlands who had a blog describing how to fix the issue. Netgear claims that there isn't a UART port on the device, but there actually is. Using a USB to TTL/Serial converter (runs you about $7 on Amazon), you can use a terminal program like PuTTy to access the switch, and flash over the original firmware for the device. From there, its a simple matter of using the GUI to work your way up the firmwares (making sure to flash all of the main revisions) and then you can get to the latest firmware.
HERE is the link to that webpage. If for some reason the link fails, do a search for Duteweerd Elektronica Reparatieverslag - Netgear GS724T V3 (English) and you can find step by step instructions.
I was in the same boat as you after bricking my GS724Tv3, and fortunately I found someone in the Netherlands who had a blog describing how to fix the issue. Netgear claims that there isn't a UART port on the device, but there actually is. Using a USB to TTL/Serial converter (runs you about $7 on Amazon), you can use a terminal program like PuTTy to access the switch, and flash over the original firmware for the device. From there, its a simple matter of using the GUI to work your way up the firmwares (making sure to flash all of the main revisions) and then you can get to the latest firmware.
HERE is the link to that webpage. If for some reason the link fails, do a search for Duteweerd Elektronica Reparatieverslag - Netgear GS724T V3 (English) and you can find step by step instructions.
Thank you so much for this! I had all but given up on recovering this switch and forgotten about it, but will now follow this guide and see if I can get it running again.
Thanks again!
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