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Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped)

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The Natural Philosopher <tnp@invalid.invalid> wrote:
> On 18/03/2026 12:55, Chris Green wrote:
> > I have a new[ish] Pi Zero 2W running in a building close to our house
> > (close means about 30 yards away).  When I installed it I configured
> > one of the possible WiFi SSIDs with rpi-imager, then after installing
> > I added the other possible SSID (using nmcli I think).
> > 
> > It has run quite happily for a few days but as of yesterday afternoon
> > shows no sign of being connected.
> > 
> > I have tried restarting it, no effect.  I have checked both of the
> > routers it might connect to and they're both running and haven't
> > moved. I've even moved one of them into what is effectively line of
> > sight to the Zero 2W.  Still no connection.
> > 
> > What might be wrong and what can I do to get it to connect?
> > 
> Bring it in and put a terminal and keyboard on it so you can look at the 
> logs.
> 
That's not very easy, it's a bit of a 'fixed' installation. It might
be easier to move one of the routers nearer to it.

> I have a 30 metre pi Pico and it connects anywhere between -80dM and 
> 'not at all' for no visible reason - maybe its leaves blowing in the 
> wind. I dunno.
> 
> Right now its a happy little -84dBm. Its having a good day.
> 
> 30 metres is pretty tough for a pi.
> 
I just checked the WiFi signal strength using an Android tablet right
next to the Pi Zero and the better of the two SSIDs is around -70dBM
so it **should** be OK I would have thought.

-- 
Chris Green
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Thread

How to wake up the WiFi on a Zero 2W (it was working but has stopped) Chris Green <cl@isbd.net> - 2026-03-18 12:55 +0000
  Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) The Natural Philosopher <tnp@invalid.invalid> - 2026-03-18 13:12 +0000
    Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Chris Green <cl@isbd.net> - 2026-03-18 13:56 +0000
      Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Chris Green <cl@isbd.net> - 2026-03-18 15:45 +0000
        Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) The Natural Philosopher <tnp@invalid.invalid> - 2026-03-18 16:22 +0000
          Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Ian <${send-direct-email-to-news1021-at-jusme-dot-com-if-you-must}@jusme.com> - 2026-03-18 17:48 +0000
            Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Lawrence D’Oliveiro <ldo@nz.invalid> - 2026-03-19 00:31 +0000
              Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) Ian <${send-direct-email-to-news1021-at-jusme-dot-com-if-you-must}@jusme.com> - 2026-03-19 09:00 +0000
      Re: How to wake up the WiFi on a Zero 2W (it was working but has stopped) The Natural Philosopher <tnp@invalid.invalid> - 2026-03-18 15:50 +0000

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