Display brightness adjustment, and so set the page, but can not always go, how …

The liquid crystal display yesterday, I suddenly jump out of the page adjust the settings (such as brightness, contrast, etc.), how extinction also can not eliminate, the same way after the restart, again out of the page.I display the button is never used to, and Card not what I would like to ask how to resolve.

In this case, first check your button has been what card Lived, more careful observation, or try to restore the factory model, in the absence of any human cases (in the absence of security have been the case), which suggest that you go to repair or change! Using the buttons on the display, find a reset function menu, to try to restore some factory settings.
Button if not it is necessary to repair a jammed.Is estimated that does not work, go to your customer.Damp leakage is a display button, the display Shut down, hair dryer (the kind of hair blowing) will be a key blow, the general problem can be solved, such as keys can not change