[cisco-voip] 7970s dark after phoneload update

[Erick Bergquist]

Well,in my case they were non responsive and nothing on screen and none of the buttons or screensaver button did anything. The phones were in this state since yesterday around 9pm when updates were done until this morning when people found their phones weren't up.

----- Original Message ----
From: Robert Kulagowski <bob at smalltime.com>
To: ciscovoip <cisco-voip at puck.nether.net>
Sent: Wednesday, March 7, 2007 12:57:00 PM
Subject: Re: [cisco-voip] 7970s dark after phoneload update

> Anyone have a idea on why this happens on some phones on firmware
> updates? I see this mostly on 7970s. Customer had done DST related
> CCM updates, etc and when some of the phones took firmware update ,
> most came back ok. Some are dark and not powered up, and unplugging
> the ethernet and plugging it back in fixes them and they come back
> and work fine.

You may want to check whether they're really hung or just sitting there 
doing the update with the backlight turned off.

When I did my mass update to 8.2(1), I thought I had bricked 30 phones 
until I noticed that if looked at the screen at an oblique angle, you 
could see that stuff was happening.

Not sure why the backlight was off.
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