High-end platforms are organized by levels to expand memory bandwidth. At present, the highest configuration of AMD is the third-generation "3A" platform-"Lion" platform, which adopts AMD Snapdragon's second-generation high-end six-core processor +AMD 890 series high-end chipset motherboard+ATI high-end graphics card supporting DirectX 1 1 (establishing CrossFireX multi-channel graphics card crossfire mode). As for memory, DDR3 2400(OC) can be used to form dual channels. One: the control panel-sound and audio devices-turns the volume icon off manually in the taskbar. Open it. The second type: "Put the volume icon in the taskbar" is ticked, which is invalid. Sndvol32.exe is missing, and the file path is C:\WINDOWS\system32. You can upload an sndvol32.ex on another computer, or find sndvol32.ex_ file on the system CD and copy it to system32, then rename it sndvol32.ex. The third type: If you delete the startup item with the software and accidentally delete the startup of the volume icon, in this case, when "Put the volume icon in the taskbar" is checked, the volume icon appears, but the volume icon does not recover after restarting, and must be reset in the control panel. (In this case, the network connection icon may also disappear.). In this case, it is only necessary to restore the deleted item from the startup key in the registry. Enter "Start"-"Run" to open the registry, and then open HKEY _ Local _ Machine \ \ Software \ \ Microsoft \ \ Windows \ \ Current version \ \ to run, and create a new string "System Tray" in the right window (right click Run to create). The key value (double-click on the system tray to edit) is "C: \ \ Windows \ \ System32 \ \ systray.exe", or "C: \ \ WINNT \ \ System32 \ \ systray.exe" if it is a win2000 system. Then select services and applications, and select services. There is a WINDOWS AUDIO in it, which is responsible for audio equipment. Check whether the option status is enabled. If not, change it to enabled, the type is automatic, or use the software to repair the volume icon online.