First, open Task Manager
Here with Windows XP system as an example, we press "Alt+ctrl+del" will enter the background of the Computer Management backstage, where you can see all the running processes in the system.
Second, look at the "application"
Once we're in, we'll see the currently running application in the Application Management tab.
Third, click "Process"
In the Processes tab we see a lot of. exe files running, and here's a look at th
.
3. Click on the right side of the "sound".
4. In the play, see if speakers are the default device, as shown in the following figure:
5. If "Speaker" is not the default device, right-click "Speaker" and select "Set as Default Device".
6. Set the speaker to the default device and click OK below to see if the speaker has any sound.
Third, the sound card driver reinstall
: If you check the above settings are no problem, then you ne
What are the common computer viruses?
According to the virus existence media, the virus can divide into the network virus, the file virus, the boot type virus. Network virus spreads the executable file in the network through the computer network, file viruses infect files on your computer (such as: Com,exe,doc, etc.), boot-type virus infection boot sector (boot)
1. The first symptom is presses the computer power key after the computer does not have any response, the most common reason is the hardware problem: the hardware problem may be specific to each computer component and the connection line, may search by the following method. First, the computer power supply aging caused
test, if still ineffective, the cause of this problem is generally hardware-led;
4 If the connection is normal, the network appears to be restricted state, then confirm that other computers are connected to normal, such as other computers are also unable to connect, this problem to determine the cause of the network environment, the problem does not appear in computer products, please check the network problem;
5 if the elimination
Assembled computers, also known as DIY savings machine, that is, some of the hardware themselves, including the motherboard, graphics, CPU, power supply, memory card and some keyboard, mouse, driver and so on. Put these hardware on their own choice, and reassemble them if they are not assembled in some computer city to assemble.
Brand computer, although the hardware is the same as the Assembly
Computer card, is a people helpless topic, not to force the computer both affect the efficiency of the user and affect the mood! Are you struggling with the "motionless" computer system? Small series to share some of the circumstances of the computer card solutions to help you speed up the
Now a lot of people are accustomed to using mobile phone to entertain, but neglected the existence of the computer, causing the computer for a long time does not boot and caused a period of time after the computer automatic damage, often appear this situation will feel panic, so I am here to enumerate a few common problems and solutions, hoping to help everyone.
Most are due to the user when adding (or removing) software, changes the system registry files, resulting in the shutdown program can not be performed due to the shutdown. The solution first is to press the "power" key for 4-5 seconds to see if the machine can be shut down, if it can not be shut down to take the removal of the power and remove the battery forced shutdown. After restarting, you can reinstall the system by taking the method to repair the registry file
1. Most of the cases are vir
What is the reason for the computer card? Computer card how to deal with? The reason why computers are getting stuck here is summed up as the following main points:
One: computer virus causes computer more and more card, there is an attack can make the network paralysis, that is thousands of times repeated
the host of the Electric business wonderful hosts reviews One: Getting Started CPU collocation in high-end graphics
Reference Price: 2699 RMB
Computer Configuration Reviews:
A set of low-end APU computer mainframe, price 2699 yuan, from the price point of view, does not appear to be worth. However, it is amazing that the APU computer host is matche
computer network failure is detected and repaired by the computer Butler . Many users will be able to install some kind of system protection software such as Computer butler in the computer, can protect the computer system effectively, and it contains a variety of tools to h
Recommended 10 strokes effective against computer radiation methodsNow sitting in the office every day to face the computer work people already have this trouble: look at the eyes and body are a little sore, the spirit is not too refreshing and so on. Here are some common methods to prevent computer radiation for your reference. In addition, it is important to ma
Download address: Network disk download
Content Profile Edit Book author D. E. Knuth, a highly renowned scholar in the field of computer science, enjoys a high degree of authority and reputation in this area, and his work is a textbook and reference material for countless computer professionals, and a classic often read by many professional research workers. This book has been translated into dozens of l
[Recommended] it takes 3 minutes to shut down useless services on your computer (to speed up your computer)
It takes 3 minutes to shut down the useless services on your computer, so that your computer will be able to attack hundreds of viruses and speed up a hundred times (^ 0 ^ )!
There may be a lot of friends who do
Copy Code code as follows:
@echo off
Echo Chun Long packaging computer name, computer description, workgroup modify Batch Program
Echo
Pause
Cls
: set/p id= Please enter the local network segment number:
: set/p ip= Please enter the native IP address:
: netsh interface ip set address name= "Local Area Connection" Source=static addr=192.168.%id%.%ip% mask=255.255.255.0
set/p name= Please lose yo
[Java tutorial 00] Computer basics, java Computer BasicsPreface
I think my friends here must want to learn JAVA or want to enter the IT industry. Considering that people may have different foundations, some people may still use new computers to make their learning smoother. Before learning a new computer language, I need to popularize some basic
I believe that everyone just bought a new computer will want to test the performance of the computer, or with others show your new computer configuration, generally we will choose to master this software to test the computer performance, that is, to see how the computer runn
Warm tips:
Win10 virtual Memory in the computer, by default, is allocated automatically by the WIN10 system.
If your Win10 computer has enough memory, there is no need to manually set up virtual memory.
First, open advanced system settings
There are a number of ways to open advanced system settings, as described in the following 2 simple.
Method 1
1, if
1. How to solve the computer boot without power
A newly installed computer, press the power button, the display does not show that the power LED is not lit, the computer can not start.
Check this type of failure should first check the connection problem, and then check the accessories good or bad, the specific steps are as follows:
First look at
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