XP does not have a horn icon prompts "because the volume control program is not installed" what to do
as follows:
1, the most likely reason: The system lost sndvol32.exe file, file path c:windowssystem32, can upload a sndvol32.exe in another machine, or find a system CD to find sndvol32.ex_ files copied to System32, Rename to Sndvol32.exe. or search the Web to download one and put it under the appropriate folder. can be run.
2, on the internet to find download "Repair small horn tool" This software, the software does not need to install, double-click Open to run, as prompted to operate.
3, in the Control Panel-"management tool-" service, find SSDP Discovery service and Universal Plug and play Device Host. Right-"Properties-" Start type-"has been disabled and restarted the computer."
4, such as restart after the taskbar does not have the volume control icon this time as long as in the registration list of the Startup items to restore the deleted items on the line. Start--"Run" Enter regedit open the registry, turn on Hkey_local_machinesoftwaremicrosoftwindowscurrentversionrun to create a new string "Systray" in its right window ( Right-click New on Run, and the key value (double-click Edit on Systray) is "C:windowssystem32 Systray.exe",