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I have only audio and no picture, how to reset?Mastertech 32' Led

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There are two methods to reset TVs. The first is simple to do; a Hard Reset. The other is somewhat skilled; is a Factory Reset (System Reset). To make it a hard reset, just unplug the TV from AC mains wall socket, and re-plug it back after 15 minutes or so. If you do this by overnight is better. This procedure will make it a hard reset. If you want to make it a system reset [Factory Reset]; you have to enter its service mode option, and select the factory reset option. If you wish to get some details; check the site linked here. Pull up older posts.
Service mode entry, adjust and exit procedure to many popular brand TVs are given. Never forget to exit the service mode, after all adjustments have been done.

Posted on Apr 30, 2017


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Posted on Jan 02, 2017


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We have picture and no audio. Please help.

Hi, the standard advice on FPtvs is to remove all attached devices and reset the tv to factory default. If the problem is still experienced you will then know that it is a hardware fault. In your case the reset may correct the issue but if it does not I will state the obvious, (sorry,) the sound output section has gone.This may be motherboard related.

Also see below link for possible remedies if you do not want to reset to default

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My Toshiba 32DF46 32" TV will not stay on

if you mean resetting to the factory defaults, the following should work:
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press menu, use left or right arrows to get to "picture", use up or down arrows to select "reset", then press the right arrow
audio can be done the same way in the audio menu

hope this helps

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