Hi,
Thank you for posting this question on Microsoft Community Forums.
I see that you aren’t able to hear any sound in the new computer running Windows 8.
We appreciate your patience in this issue. Let us work together to resolve this issue.
However, we need more information on this issue to diagnose it correctly. Please answer these questions.
1.
What is the make and model of the computer?
2.
Are you unable to hear any sound on the internal speakers or external speakers?
3.
Are you referring to the system sound or sound in any specific files?
4.
Did you make any changes to the computer prior to this issue?
In the meantime, here’s what you can try:
Refer to this link to troubleshoot some common issues regarding sound.
No sound in Windows
http://windows.microsoft.com/en-us/windows/no-sound-help#no-sound=windows-8&v1h=win8tab1&v2h=win7tab1&v3h=winvistatab1&v4h=winxptab1
Please get back to us with the answers and the results.
If you continue to face this issue, or have any other questions regarding Windows operating systems, please contact us on this forum. Your query is very valuable to us.