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I have no sound when using any media player. I believe I need a multimedia audio contoller but unsure where to get it and how to install. The following is the complete information of my computer.
Windows XP Home Edition Service Pack 1 (build 2600)
Install Language: English (United States)
System Locale: English (United States) Gateway Gateway M320 and 4500 Series 53.01.02
System Serial Number: 0034582530
Enclosure Type: Notebook
Processor a Main Circuit Board b
1.40 gigahertz Intel Pentium M
64 kilobyte primary memory cache
2048 kilobyte secondary memory cache
Not hyper-threaded Board: Gateway Gateway M320 and 4500 Series KBC K53.28.18ˇˇˇˇˇˇˇˇˇˇˇˇˇ
Serial Number: 0123456789012345
BIOS: Phoenix 53.01.02 10/07/2004
Its a possibility that your sound drivers are damaged or not properly installed. You should install sound drivers from Gateway website and install them. The sound drivers come in a executable setup format, so all you have to do is double click on the downloaded file and follow the instructions.
This has happened to me, my father, my friend, and a few other people I know as well.
As far as I can tell it had to do with a recent Windows update that disabled/deleted my audio driver. The problem for me was fixed by rebooting my computer, but for other people they had to reinstall their audio drivers.