![]() ![]() Navigate to folder C:\Windows\System32, and then locate mmdriver.inf file. Click Browse button in the Install From Disk dialog box.Note: To install or reintall video codecs, select (Standard system devices) from “Manufacturer” and Video Codecs from “Model” instead. Select (Standard system devices) from “Manufacturer”.Select Sound, video and game controllers from “Common hardware types” list and click Next.Select Install the hardware that I manually select from a list (Advanced) and click Next.Choose Add a new hardware device at the bottom of the list and then click Next.Select Yes, I have already connected the hardware radio button and then click Next button.On the Add Hardware Wizard, click on Next button.Following tutorial guides you how to install these codecs manually. However, users can manually install the default codec manually to ensure the required files are copied. But not that although the registry fix can add back the sound drives mapping, but if the *.acm files that are required are missing then those registry mapped codecs actually do not work. If you having this error and no sound heard, you will likely to find only 2-3 entries of codecs in the listing, if you have not applied the registry patch to fix Flash no sound issue. Select the Audio Codecs entry and then click on Properties. To check if your system affected by missing default Windows codecs, go to Control Panel -> Sound and Audio Controllers, then click on Hardware tab. The symptom will likely cause no sound output from the system. ![]() When the sound card is added or the sound card driver is installed later on, some cheap low end sound card drivers do not detect the availability of these default codecs and install one if not exist, although most branded or high end sound card drivers such as those from Creative Labs will handle this scenario properly. However, if Windows setup does not find or detect a sound card, these default Microsoft built-in codecs may not installed. When Windows XP and Windows 2000 are freshly installed from clean state, normally the default must have codecs to play sound in Windows will be installed for each installation. ![]()
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