fix missing operating system windows 7 without cd

Today, a strange thing, local players listen to the music to see the movie has a sound but it played Tudou, Youku, Yo and other sites of the Flash, as well as online movies in the RMVB, WMV video without sound, the Web page of the same music can not hear. You can hear sounds when you play video, music, and flash animations on your hard disk. Can be produced to conclude that this has nothing to do with the driver. The reload drive is also useless. If you also encounter such a problem, together to

Fault symptom:When using the Win8/Win8.1 operating system, the folder may be suspended, and the Green loading entries in the address bar may move slowly.Solution:When using the Win8/Win8.1 operating system, the folder may be suspended, and the Green loading entries in the address bar may move slowly. In this case, it i

One of the big features of Windows 7 is the introduction of the "Super taskbar", which, in addition to the dazzling aero effects, is an obvious improvement (and should say "width" more precisely). It is with this "material base" that we can now comfortably view both the time and the date. But for the author of this kind of love seriously, such a "courtesy" is not perfect, because this date there are many ca

Solution to NumLock failure in Windows 7 system keypad The NumLock key on the keypad in Win7 is often used. It is mainly used to switch the numeric switch on the keypad, which brings a lot of convenience to users. If one day you find that the NumLock key is invalid, you cannot enable it no matter how you click the keypad. Do you first think that the keyboard is

window7 Pure Drive installation via U disk boot:the system prompts that Setup cannot create a new system partition or locate an existing partition, causing the installation to fail. Workaround 1:a very simple approach, you first need to reformat the C disk. After formatting, do nothing, pull the USB stick out, and then plug it in. Click on the refresh, this time, select the C drive, click Next, should be su

Windows 7 System Setup aero-glass effects after the computer appears reflective how to do? See other people's computer hair glass special effects very good-looking, so they set up a bit, did not expect to appear the effect of the following diagram, not only not beautiful, but also very hurt eyes, how to set the original 　　Win7 Aero Effect Reflective Map

After Windows 7 was installed, the download instructions show Windows 7 build 7600.16385. But how can we view this version number in win7? After searching online for half a day, I found this method to view the detailed version number of win7. You can use slmgr. vbs to view the detailed win7 version number. Generally

WINDOWS 7 system USB drive is not available? WINDOWS 7 systems often appear that the USB interface is not available, making the USB drive unavailable.Device Properties Display:Windows could not load the device driver for this hardware. The driver may be damaged or

Windows 7 system USB flash drive is not availableWINDOWS 7 system USB flash drive is not available? In WINDOWS 7, USB interfaces are often unavailable, making USB flash drives unavailab

WINDOWS 7 system USB flash drive is not available, not availableWINDOWS 7 system USB flash drive is not availableIn WINDOWS 7, USB interfaces are often unavailable, making USB flash dri

First, show the desktop, more smoothly In Win 7, Microsoft will "Show desktop" button placed in the lower right corner of the desktop screen, the right side of time, a change to the previous XP system operating habits, click to quickly display the desktop, more user-friendly operation. And the mouse will rest on the display of the desktop button, a

Windows 7 System 1, click " start "---" Control Panel "; 2, click " Add or delete user accounts "; 3, click the account that needs to clear the password. Note The account you are currently using, and you can clear the password for your account. If you need to clear the password for another account, the account you are

/1827533062011613113027949/(view partition with Fdisk-l, explanation of Extended partition in System)Http://www.jb51.net/os/RedHat/1331.html (Explanation of fdisk-l results, very detailed, personal feeling very good)An extended partition is the equivalent of a container that has multiple logical partitions under it, such as the hda5,hda6,hda7,hda8,hda9 from which it belongs, and what belongs to it, which can be seen through the range of start and end,

Many scenarios are using GetVersion, GetVersionEx these two APIs to query the operating system version number to determine the current operating system is the Windows family which, before the Win10, this method is the line of the pass, But after the appearance of Win10, this

You can see the version of the current system after you enter winver in the run Bar of the Start menu, but you will see only the words 6.1 (build 7600) and you cannot view the detailed version number after 7600. If you want to see the detailed version number of Windows 7, we want to run another command slmgr.vbs, and also enter slmgr.vbs on the run, of co

Why to set up virtual memory Virtual memory uses hard disk space for memory to make up for the lack of RAM space on the computer. When the actual RAM is full (actually, before Ram is full), virtual memory is created on the hard disk. When the physical memory is exhausted, the virtual memory manager chooses the lower-priority portion of memory that has not been used recently to write to the swap file. This process is hidden from the application, and the application regards virtual memory and act

Problem description When installing the LoadRunner 9.52 patch package on a Windows 7 64-bit system, the following error occurs: ---------------------------HP LoadRunner 9.52---------------------------Upgrade patch cannot be installed because the program to be upgradedMay be missing, or the patch may update different ve

MongoDB information will be found in the Phpinfo, as in the following image: PS: Run the MongoDB installer is installed by default to the C disk, you can/bin all files in the installation directory to move to where you want, such as I put it back to the D:serversmongodb. Start the installation of Windows system services so that MongoDB can start the service automatically as the

Error 1: Operating system not supported The user who encountered the prompt at the time of the update, this may be your system has not been upgraded to SP1. Please check your system version for installation SP1 by right-clicking the computer select Properties and viewing the Windo