My system sounds are missing.
I have my speakers turned on but when I startup I don't have any startup sounds anymore.
Startup Sounds are missing fix:
TweakUI/General/Beep on errors (verify that the box is checked). http://www.microsoft.com/windowsxp/pro/downloads/powertoys.asp
System Sounds are missing:
Go to Start/Run/Regedit and navigate to this key: HKEY_USERS. If it doesn't have a Data entry in the right pane that reads: (value not set), double click (Default) and delete it. If it does, check your HKEY_USERS\S-1-5-21 keys for the same.
System and Application Sounds are distorted after running a game:
Boot into safe mode, shut down. Then boot normally.
How to Boot into Safe Mode:
You need to hit F8 during boot, just after the BIOS info switches to black screen.
Or...
Go to Start/Run/Msconfig. Boot.Ini and check off /SafeBoot. Apply/Ok, reboot.
Description of Safe Boot Mode in Windows
http://support.microsoft.com/support/kb/articles/q202/4/85.asp
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