Who knows about computer knowledge? Computer literacy? What are the computer knowledge?

Do you go to the Start -- Control Panel -- Sound, Voice, and Audio Devices -- and see what that little speaker looks like? Let's see if you can choose it if you can't if you still don't have it, you may reinstall the program, and then go to some software to search on the Internet and there should be something that belongs to Windows If it really doesn't work, it is recommended to reinstall the computer But you first scan it with 360 or nod32 to see if there is a virus or Trojan These may also have an impact

My Computer - Control Panel - Sound & Multi** - Sound - Scheme (select Windows Default).

At the bottom of the foot, select it in front of the volume control in the taskbar.

You first put the mouse on the "Start" at the bottom of the desktop, right-click and select "Explorer", select "Control Panel" from the folder, click on the right to find "Sound and Audio Equipment", and after double-clicking, its properties will appear, select "Hardware" from the properties, and then select what you need from it, click "OK", it should be OK! You can try it!!

There are some programs or ** plug-ins that will embed some *dll-like files.

After uninstalling Extreme Ku6, there is still a rundll32 process in the task manager, and the processing method can be used for your reference.

First of all, enter msconfig in the start-run,See if there are any extra things in the boot options,My usual settings are out of the antivirus tool and ctfmon(input method),Remove the rest。

After setting up, find the process in the task manager, check the corresponding file path, terminate the process, and manually delete the file, which is generally sure to be the file protected (by the way, it is recommended to ** a visata task manager, you can check the command line and image path, XP comes with nothing.)

The second method, enter the safe mode, restart the computer, press F8 to enter the safe mode, generally you have to select the administrator to enter, try to delete, some can't, some can't.

The third method is to find something similar in the registry, delete the key directly, and then try to delete the file again.

If it doesn't work, only find an installation disk with a DOS system, and choose DOS to start (the old win98 and some of the current installation disks are included, but the ghost system generally does not have it).

Go to C: Windows System32

This is just an example, but the general program extensions are put here, and then.

Enter the del of your file name.

Enter the dir of your file name.

If nothing is displayed.

That is, the deletion is successful, and the computer can be restarted.

Don't use Kaka.

Rabbit or Optimizer has a dedicated registry cleaner and junk file cleaner.

You can give it a try.

If that doesn't work, you can also paste your email address and I'll send you a new version of Task Manager.

Hello landlord, glad to have a problem for you!

You are in a Trojan, which can be solved with the following methods:

Gold Mountain First Aid Kit:

The village security page is exclusively killed.

It can solve the fake I....

This is your sound card driver not installed,

If the sound card driver is damaged or the sound card itself is malfunctioning, try reinstalling the driver or plugging the sound card again.

The more big categories are software and hardware networks.