How to turn the display on SIP phone?

Good afternoon, Toaster. At work are Re Siemens OpenStage 40. At the moment, on one machine the image is lost from the display. Lights up only the backlight and the indicators around the display. On the display a white screen. May be what the button is responsible for this? Or is it internal damage?
July 8th 19 at 11:46
2 answers
July 8th 19 at 11:48
Have you tried the same off and on?
IT.Crowd.s01e01.rus.eng.filmgate.tv.mkv.
Where to include?
1378486509_271066207.jpg - dannie commented on July 8th 19 at 11:51
:
Socket.
12832954528572.jpg - orin.Runte commented on July 8th 19 at 11:54
And where is she?
medium_8deb6af2fddcd5169fa4e9b483453e45. - dannie commented on July 8th 19 at 11:57
you made my day!! :-D - Montana_Abshire commented on July 8th 19 at 12:00
July 8th 19 at 11:50
Internal failure is usually turned off the backlight, not the display.
Similarly I think... - dannie commented on July 8th 19 at 11:53

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