if your computer came with a motherboard disc the sound drivers could be on it
click start control panel administration tools computer management device manager scroll to sound video and game controllers you might see a yellow question exclamation mark? ! or a red X Right click to reinstall drivers
click start control panel sounds and audio volume advanced speakers make sure you have selected the
(appropriate speakers) also audio you will find 3 drop down lists make sure you have the correct settings there
click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick ithope this helps you
Click start control panel administrive tools computer management device manager scroll to display adapters + to expand you might see a yellow question mark ? or exclamation mark ! or a red x right click select reinstall drivers
If your computer came with a motherboard disc the drivers could be on it
Want to make sure your drivers are in place and no errors have occurred? Simply click start right click on my computer select properties then select device manager scroll to Display Adapters and click on the small "+" you should see the model of your PCI Express graphic card there. If there is a problem with it, a yellow exclamation mark should appear besides it. If you don't see it everything is OK and your card is working properly. Hope this helps don't forget to vote
Click on Start, Run, and type regedit and press Enter Click on the plus signs (+) next to the following folders
HKEY_LOCAL_MACHINE
SYSTEM
CurrentControlSet
Control
Class
{4D36E965-E325-11CE-BFC1-08002BE10318}
This folder is the DVD/CD-ROM Drive Class Description in the registry. Look for any of the following names in the right hand column.
Upper Filters
Lower Filters
Upper Filters.bak
Lower Filters.bak If any of the above keys shown in step 4 are listed, right-click on them and choose DeleteAfter deleting the keys, close the registry editorReboot your computerOpen My Computer and check to see if your CD or DVD drives have returned. You may also want to open Device Manager and verify that the yellow exclamation and error code on the CD or DVD drive is gone. hope this helps
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