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Robb
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Joined: Thu Apr 28, 2022 6:43 am

RB1100AHX2 Not booting after RouterOS 7.2 Install

Thu Apr 28, 2022 7:06 am

Hi All,

As the subject says I have a RB1100AHX2 and it is no longer booting after 7.2 Install.

When I got the unit it was running 6.4.8 which Upgraded to 7.0 in Winbox by putting the NPK file in the root of the file system and rebooting.
This worked successfully and was quite straight forward, so I thought I would upgrade to 7.2 as I like to keep things up to date.

After copying the NPK to the device in Winbox and restarting, now the beeper makes a noise like a cricket chirping and 1 beep then continues this in a loop. in this boot loop there is what sounds like a relay clicking?

I have tried shorting the reset pads for 3 seconds whilst applying power (RouterBOOT Reset) - Same result
I have tried shorting the reset pads (RouterOS Reset) - Same Result

The device doesn't show in Winbox or Netinstall

I have plugged in a Null-Modem Cable into the DB9 port on the front of the unit and nothing shows up in the serial PuTTY session.

Has anyone else seen this behaviour?

Thanks for reading

-Rob

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