Unit quit working after software upgrade. Model R6900v2

[MichaelinVA]

After a software upgrade the unit won't work.  Tried reloading the software using Tftpd64 application without success. Tried the reset button and reloading.  The power button turns orange upon power up then turns white and flashes.

[michaelkenward]

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@MichaelinVA wrote:

Tried reloading the software using Tftpd64 application without success.

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TFTP isn't the easiest operation to get right.

The fact that you mention Tftpd64 suggests that you are using old instructions. You don't need it. Windows has TFTP built in. You just have to enable it.

How to upload firmware to a NETGEAR router using Windows TFTP | Answer | NETGEAR Support

It might help t follow this video:

Netgear Blinking Power LED Firmware Fix/Re-Flash Step by Step Guide (WiFi Extenders and Router) - Yo...

Timing is important. You may have to try it several times.

[wcalifas]

I've used tftp2.exe to unbrick routers in the past and not the windows client tftp. There's videos on youtube that show step by step instruction on "how to unbrick a router" using the tftp2.exe method.