There is no sound on the computer and there is no Internet connection 10

First, first confirm that the hardware is fine. If the speaker is fine, the sound card is fine, and if you've tested it on other machines and it's really good, then you can read on.

2. Make sure all the cables are exactly right. Then power on the speaker and turn on the volume switch.

3. Install the driver of the sound card correctly, if it is an onboard sound card, it is best to install the driver provided on the driver disk of the motherboard.

In fact, the computer does not make a sound, and many times it is because the sound card is not driven correctly. In general, after the sound card driver is installed, there will be a small speaker icon in the taskbar in the lower right corner. ）

Fourth, if you are sure that the driver is installed correctly, then take a look at the volume settings in the computer.

The specific method is to double-click the speaker icon in the taskbar, and check whether the volume is turned off to the minimum in the "Volume Control" and "Waveform" dialog box in the pop-up "Volume Control" and "Waveform".

If these two options are not available in the dialog box, click on the "Options" menu - select "Properties" - select "Volume Control" and "Waveform" in the "Show Volume Controls" and then set them correctly.

Note: Step 4 can only be set up after the driver for the sound card has been installed correctly.

It is estimated that the driver was deleted by you.,Click on the device manager to see if there is any hardware without a driver.。

Whether it's a broadband connection or a local connection that doesn't work.

This is because your computer has lost some driver files, so there is no network and no sound, you can install the relevant driver patches through software such as Master Lu or Driver Elf.

It may be that the network is suddenly interrupted, you can restart the optical modem, see if it will solve such a problem, if it still doesn't work, it means that the network cable is faulty, you can find customer service to understand the situation. That's how your problem can be solved.

If the problem persists, it means that there is a problem with the system, and it is still impossible to fix it with security management software, reinstall the system.

If the computer suddenly can't connect to the network, then the first thing to determine is whether it is because of the problem with your network cable. If you want to confirm that there is no problem with the network there, click on the network in the lower right corner of the computer to check the corresponding properties to see if there is a problem with the IP address.

Summary. The network icon in the lower right corner is missing, and the reason why it is not displayed may be that you accidentally hid the icon, or it may be that the notification after connection option is not checked.

Click "Start" to open the "Control Panel".

Click on "View Network Status and Tasks".

Click on "Change adapter settings".

Double-click Local Connections.

Click on "Properties".

Select the "Notify the area to display icon after connecting", and then click OK.

If you still don't see the network connection icon, it may be hidden in your status bar.

Right-click on the status bar below and select Properties.

Click "Customize".

You can see the network item, and sure enough, it is in the state of "hide icons and notifications".

Click "Show icons and notifications", and then click OK.

endThe computer suddenly can't connect to the network, the sound is gone, I can't find the network, what should I do? Ladies and gentlemen.

Right-click on the network icon in the bottom right corner of your computer.

Click to open network settings.

Click on the Replace adapter option.

Click on the network you use to diagnose this network.

I'll just wait for him to fix it automatically

There is no network icon in the lower corner of the stone.

Go to Settings to turn on Personalization.

Just find the taskbar and open the network icon inside.

01 The network icon in the lower right corner is missing, and the reason why it is not displayed may be that you accidentally hid the icon, or it may be that the notification option after connection is not checked. 02Click "Start" to open the "Control Panel". 03Click "View Network Status and Tasks".

04Click "Change Adapter Settings". 05Double-click "Local Connection". 06Click "Properties".

07Select the "Notify the area to display icon after connecting", and then click OK. 08If the network connection icon still doesn't appear, it may be hidden in your status bar. 09Right-click on the status bar below and select "Properties".

10 Click "Customize". 11 You can see the grip of the network in Spike Zen, and it is really in the state of "hidden icons and notifications". 12. Click "Show Icons and Notifications", and then click OK to guess the dust.

endThis is method two.