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Go into settings and check all volume and such if new most TV's are not set up. check for mute volume off speakers on or off. if you have your manual it usually give you trouble shooting in thr back see if you have it. make sure cable connection is good or HDMI.
Some surround modes switch speakers on or off as required. It's possible that the inputs you are using have settings that remember your previous settings, ie: no sub and surround speakers. Check the inputs and also make certain that whatever is connected to them is putting out Dolby signals.
Look for a button on the unit or remote for turning speakers on end off, Or when you go into the unit menu, Watch with the functions if it stays something about the speakers, Turnig them on or off, If you don,t come across any of this stuff, Get a manual for it, End see if you can find any thing about it in the manual, In the trouble shooting (Section) If you don,t have a manual for it, Try manuals online.com
Do you get sound through the headphones? If so, the jack interupt contact may be dirty or corroded. Some contact cleaner should help clean it up, then it is merely a matter of plugging and unplugging several times to make the contact for the speakers.
Other possibilities, the source is not set right, the volume is off, or muted, the "voice" ahs not been selected.- inother words a knob set wrong, or button pushed or not pushed. I am betting you checked those first thing, but should someone else reading this in the future read it, it might be something they have overlooked..
Hi there, Dealing with no sound problem, first thing you can check is the Physical hardware/Speakers, Make sure speaker volume is ok or if its properly connected, if all is properly configure proceed to next step 2 .Make sure that the Volume control is not on Mute, look at the lower side of the screen you will see there a small speaker icon, Make Sure that it dont have (x)mark on it. if you dont have the icon: Check Device Manager: Right Click My Computer>Manage>Device Manager
Look for Sound, Video and Game Controllers make sure none of the list got (x) or (!)
if it has (x) on it right click the driver and select enable if it has (!) download the Audio driver HERE .. Installing Audio Driver normally fix any software related sound issues.
All you need to do is get a USB based sound adapter 16/32BIT MINIMUM to plug your speakers straight into your laptop with better sound. Many laptops will have limited sound OUTPUT which places large limitations on pushing sound through your nice speakers. You already know the problem is not the speakers or new cables, therefore you know that problem has been isolated to your laptop. You may also check the volume settings in the laptop to ensure your running the highest possible BIT or volume enhacement software. Let me know if this does the trick for you.
Check all your channels. If you are getting sound on some channels but not others it is a good possibility that your SAP setting is turned on. Simply go into your audio menu and disable the SAP. Not sure about your model tv but some Tv sets had a switch on the back to disable the speakers and some have a setting in the menu to disable the speakers. If you have a digital cable box hooked to the tv it is possible the cable box volume is turned all the way down which will override your tv volume. Check these options and hopefully one of them works for you.