Closed HD audio Tags: Speakers Audio HD Last response: February 1, 2012 1:32 PM in Home Audio Share phil noakes March 5, 2010 7:42:19 PM I have an ALTEC LANCING 251 speaker system about 5 yrs old but still great. Do I set my mobo to AC97 or HD, only it seems on HD no sound is coming from centre and subwoofer. any help appreciated. More about : audio Best solution saran008 March 8, 2010 11:47:05 AM Give your mobo details first. If you are using In-built sound. It's aready defined, ac97 or HD. you cannot change that. Install the proper drivers first. You can change settings in your settings, so that you can use LINE IN for REAR Speakers & MIC for CENTER/SUBWOOFER. Mousemonkey February 1, 2012 1:32:35 PM Best answer selected by mousemonkey. Can't find your answer ? Ask ! Get the answer Mousemonkey February 1, 2012 1:32:40 PM This topic has been closed by Mousemonkey Can't find your answer ? Ask ! Publish Related resources: ForumHD 6450 HDMI Audio Help ForumRealtek HD Audio Manager - No enhancements 'tab'! ForumWin 7 does not detect audio driver when i installed hd 4650 ForumSapphire Radeon HD 6950 2GB Audio Driver ***Please Read*** ForumNo center channel or subwoofer sound from Realtek HD Audio ForumSapphire Radeon HD 6950 2GB, not recognized as audio device? Forum8 Channel HD Audio On Old Speaker System ForumBest Possible PC Build for HD Video Streaming & Audio Recording? ForumRealtek HD Audio Manager Forum[quick question] realtek hd audio driver ForumATI HD Rear Audio Output No Sound ForumProblem with 5.1 Realtek HD Audio - GA-990XA-UD3 ForumNo audio after installing HD 7750 ForumDoes ati radeon hd 5670 have audio chip ForumStuttering issue with audio and programs, signs of HD failure? ForumHD Cable and PC hooked up to projector. Audio Questions. ForumSound Effects tab not showing up in Realtek HD audio ForumHD Audio Cable is Not Long enough to Reach the Outlet on Motherboard Forum[AMD Radeon HD ] audio stutters everywhere, except in games ForumHD 7750 audio problem More resources Read discussions in other Home Audio categories Headsets High-End Audio MP3 Players Pioneer Pro Audio Speakers Yamaha !