Get online and got to www.google.com In the google search box type: "HP Support" (without the quotes and put your manufacturer name before Support). Look for downloads and drivers. Enter your model number and operating system when requested. Download and install the Audio drivers.
Try using the VLC Player. It comes with drivers and codec. I've seen it solve many sound and audio issues.
Try using VLC as your player. Go to www.google.com and in the search box type "download vlc" (without the quotes). Look for the Video Lan download from site www.videolan.org/vlc Download and install it. It downloads and installs in 3 minutes or so. It's a very fast player, smooth and it can play just about any type of dvd formats and media. It's totally FREE.
Switch ON the PC, boot the PC in 'Safe Mode'
by continuously tapping F8 button after you switch On until you get the Safe
Mode Option.
Let windows boot in Safe Mode and log in to windows.
Go to 'Start'--->Programs--->Accessories--->System Tools--->Click
'System Restore'
A
'System Restore' window will appear.
Here you will have to check "Restore computer to an earlier time' and
click Next
Now you will find one Month Calendar window with Dates below, go to
the previous month by clicking the '<' sign in the upper left hand
corner of the Month Calendar and select any date that you see in Bold.
Note:
It is better if you could remember from which date you are facing the issue,
try to select a date prior to that date.
The
detail of that particular date should show "System Checkpoint" and
time on the right hand side box. Select that date.
Now, Click on Next and System Restore will start and windows will take a
reboot.
After reboot your problem should be resolved.
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