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Mitel 5220 Blank Screen
OK I configured the phone using the MAC address and let it boot up. The phone works and I can make and receive calls however the display is blank and the up down buttons make no difference. As the 5220 has no option to adjust the brightness, only contrast, I am assuming the LCD is broken. Do...- undeliverable
- Post #8
- Forum: Mitel Networks solutions
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Mitel 5220 Blank Screen
Isn't the contrast reduced by just pressing the down arrow ? Or maybe can you only adjust this after the phone is in the usual standby mode ?- undeliverable
- Post #6
- Forum: Mitel Networks solutions
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Mitel 5220 Blank Screen
When I connect the network lead the orange lights all come on for a second and the display lights up. Then the lights go off and the display remains lit but with no text. I would expect to see a message there usually.- undeliverable
- Post #4
- Forum: Mitel Networks solutions
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Mitel 5220 Blank Screen
I have been given a Mitel 5220 to join our existing Mitel IP network but the display is blank when I power it up. I have tried all sorts of key combinations (superkey, up+down, *,#) when booting but it won't display anything. I wonder if it has been SIP enabled previously which is why it won't...- undeliverable
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- Replies: 8
- Forum: Mitel Networks solutions
