no sound windows 7

Windows 7 and Windows Vista have a lot of performance comparisons, but most of them are about 3D games, but playing games is not a long-term solution, so today we look at two more fundamental aspects: processor and memory performance. Test platform configuration: Processor: Core i7-920 OC 4GHz (200mhzx20) Radiator: Noctua nh-u12p Motherboard: Gigabyte GA-EX58

WPF learning path (7) applications and windows (continued), wpf windows Window Lifecycle A Window class in WPF represents a Window. The lifecycle of a window also has several stages: 1. the constructor is called. 2. The Window. Initialized event is triggered. 3. The Window. Activated event is triggered. 4. The Window. Loaded event is triggered. 5. The W

eml format file is a file format that Microsoft Company uses in Outlook Express to follow RFC822 and its subsequent extensions, and becomes a common format for various types of e-mail software, which is the format of e-mail export. and in Windows 7 and Windows 8, Outlook Express has been discarded, without this program, then how to open this file. Using the Outlo

Vii. MDT Update 1 Batch deployment-windows 7 Pro Upgrade WINDOWS 10650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/72/3F/wKioL1XfMV_RezPvAANWT6dAz-0220.jpg "style=" float: none; "title=" Mdt2013u1-2015-08-23-13-17-16.png "alt=" Wkiol1xfmv_rezpvaanwt6daz-0220.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M02/72/42/wKiom1XfL0fTV4CuAAVH3VZ

(17:26:37) I heard the accompaniment of a song on the Internet. It's a good news. Unfortunately, I don't want to register or download it. I just want to give a try, give a chance, use an old trick, and open the recorder to record it, although it is time-consuming, it should be very effective. I have been doing this in XP, But I Can't Do It In win7 now, and the recording is not used. It seems that there is no device support. It seems that there is a problem with the

Solution: If your computer comes with Windows 8, you can restore it to Windows 8 by initializing your computer, and your personal files will not be affected, but not the applications that come with your computer will need to be reinstalled. For more information, see How to restore, restore, or initialize your computer. If you are running Windows

1. Download the Windows 8.1 upgrade Assistant first from the following address: http://go.microsoft.com/fwlink/p/?LinkId=261871 2. Install and run the Windows 8.1 upgrade assistant; 3. The Windows 8.1 Upgrade Assistant detects whether your computer meets the installation requirements of

After using Windows 7 for a period of time (for example, two weeks), if you are sure that your files and settings have been restored to the appropriate location, you can use disk cleanup to delete windows. old folder to safely recycle disk space. 1. Click Start, type Disk Cleanup in the search box, and then click disk cleanup ". (If the system prompts you to s

Method steps: 1, open the Control Panel in the Start menu; 2, open "program and function" in the control Panel; 3, in the program and function click on "Turn on or off Windows features"; 4, in the list of Windows features, drag the slider to the bottom, find "Media features", click on the left "+" symbol to expand the child list; 5. Remove the check in front of

Windows 7 tries to access the shared folder on a Windows 2000 Server after installation. However, no matter how the user name and password are lost, the firewall of Windows 7 is disabled, and NETBIOS and so on are still not resolved, and later found that after

Document directory Method 1: Registry References: We found that the synchronization time is incorrect today. After the synchronization time, we can see that the windows system only synchronizes the time once a week by default, and the frequency is too low. I searched for the information and found two ways to adjust the win7 time synchronization frequency. Method 1: Registry This method achieves synchronization by modifying the key value in the r

Yesterday I bought Thinkpad x230 and pre-installed the win8 system. I was worried that many tools could not run on win8. So I wanted to install Windows 7. At first, I found that I needed to modify the BIOS, to enable the UEFI compatibility mode, you can install win7. The procedure is as follows: 1. Click F1 to go To the bios page. 2. Go to Security-Secure Boot-Disabled. If you do not change the Secur

The system prompts "cannot connect to a windows service" error when windows 7 is started. This problem is caused by WinSock2. We need to make some adjustments.Solution1. On Windows 7 desktop, click "Start Menu". In the pop-up menu, click "search prog

; in the future, with the upgrade of home broadband connections, service providers will also consider upgrading the video stream and definition. 9. Is the program content relatively small? At present, Internet video provides more than 11,000 TV series, about 350 full-length movies and documentaries, as well as a large number of original video programs. All content is genuine content; the capacity of genuine video programs, especially for TV series, includes the latest hot TV series and TV seri

Install linux on Windows 7 and XP Platform: win7 and XP (Asus Notebook) Cause: I am used to Ubuntu, but sometimes I want to store something in windows, which is inconvenient for virtual machines. Note: A. The dual system installation in this article will not affect any data B. Ubuntu can be mounted to all disk areas, while

You can see the following information: https://jingyan.baidu.com/article/b2c186c89f5127c46ef6ff08.htmlhttp://tomcat.apache.org/ tomcat-7.0-doc/windows-service-howto.html mode: Windows Key + R, Run dialogcmd, CONSOLECD apache-tomcat-[version] /binservice.bat Install/remove [service_name] [/user username]service install/remove [service_name] [/user username] The above two commands are the same.The Tomcat Java

https://technet.microsoft.com/en-us/library/bb397374 (v=exchg.80). aspxInstall the IIS 6.0 Management compatibility components in Windows 7 or in Windows Vista from Control Panel Click Start, click Control Panel, click Programs and Features, and then click Turn Windows Features on or off. Open Internet Inf

Solve the problem that Windows Live Messenger (MSN) 9.0 keeps stopping the taskbar and not displaying it in the system bar in Windows 7. After Windows 7 is used, MSN stops at the taskbar and is not displayed in the system bar. Close the window and exit MSN. The solution is

Windows Phone sdks 7.1Microsoft pushed the Windows phone7.5 (codenamed mango) Update to users. On February 26, 7.1, Microsoft officially released the RTW version of the Windows Phone SDK development tool for developers. Windows phonesdk7.1 is available in 9 languages: English, French, German, Italian, Japanese, Korean,

This is a small tutorial on how to check which program occupies port 80 in Windows 7 and Windows 10 systems and how to solve it. This is a small tutorial on how to check which program occupies port 80 in Windows 7 and Windows 10