Computer Application Skills summary page 1/3

1. How to clear the page file when shutdown, open "Control Panel", click "Administrative Tools> Local Security Policies> Local Policies> Security Options", and double-click "shutdown: clear Virtual Memory Page files, click the "enabled" option in the pop-up menu, and click "OK.


2. How to configure Windows XP services
If you use Windows XP on a single machine, many service components are not required at all. Program This affects the system speed. You can disable these redundant service components. Click Start> Control Panel> Administrative Tools> services. The Service List window is displayed. Some services are started, while others are not. You can view the corresponding service project description and disable unnecessary services. For example, Alerter, you can disable it if you are not connected to the LAN and do not need to manage alarms.

3. What is the role of the smartdrv program?
Symptom: many Windows XP installation introductions Article "If Windows XP is very slow to be installed in DOS, it must be that smartdrv.exe is not run before the installation. I want to ask what role does this smartdrv.exe file play? How to use it?

The smartdrv.exe file must be clear to those who are familiar with DOS. It is mainly used to add high-speed cache for disk file read/write. As you know, the read/write speed of the memory is much higher than that of the disk. If you use the memory as the high-speed cache for disk read/write, the system operation efficiency can be effectively improved. The smartdrv.exe file is available on the installation discs of various Windows versions or Windows/command/on the hard disk. It is only several dozen kb and is copied to a floppy disk, after the system is started, run this program directly (without parameters, the program will automatically allocate the appropriate memory space as the cache according to the memory size), and then install Windows XP. We also remind you not to run this program after installing windows. Otherwise, the available Windows Memory will be reduced.


4. What is win32k. sys?
Symptom: I have just installed Windows XP, but then I installed a virus overlord and found the virus, win32k in F: \ winnt \ system32. the sys file cannot be deleted or deleted, but cannot be isolated. If you delete it under Windows 98 or DoS, Windows XP cannot be started. What is the purpose of this file, is there any solution?

This file is a driver file for Windows XP multi-user management. This file is backed up in the X: \ windows \ system32 \ dllcache directory. Copy the backup file to X: \ windows \ system32 to replace the file with viruses. Create a Windows 98boot disk and copy the attrib.exe file to a floppy disk. The file is located in the X: \ windows \ command directory of the host with Windows 98. In the advanced BIOS features of the bios, set the boot sequence to boot from disk A. After Entering dos, enter the X: \ windows \ system32 directory, and enter attrib-s-h-r win32k. sys, enter the X: \ windows \ system32 \ dllcache directory, enter the same command, and then copy win32k. sys X: \ windows \ system32 overwrite the original file and restart the system.


5. What does Windows XP boot menu mean?
Symptom: I recently installed the Windows XP operating system. I know that when I press F8 at startup or when the computer cannot start normally, the Windows XP advanced options menu will be displayed, in this example, you can start Windows XP in eight different modes except normal startup. What do these modes mean?

(1) Security Mode: when Windows XP is started in security mode, the system only starts with some basic files and drivers. Entering the security mode is an important step for fault diagnosis. If you cannot determine the problem after the security mode is started, or you cannot start the security mode at all, you may need to use the urgent disk ERD function to repair the system.

(2) network security mode: similar to the security mode, but added support for network connections. This option is useful when you troubleshoot Windows XP startup in a LAN environment.

(3) Secure Mode of Command Prompt: similar to secure mode, only use basic files and drivers to start Windows XP. However, a command prompt appears on the screen after logon, instead of a Windows desktop.

(4) Enable startup log: Start Windows XP and record all drivers and services loaded by the system to the file. The file name is ntbtlog.txt, which is located in the WINDIR directory. This log is useful for determining the exact cause of system startup problems.

(5) Enable VGA mode: use the basic VGA driver to start Windows XP. This mode is useful when a new graphics card driver is installed that makes Windows XP unable to start normally, or when a fault is caused by improper refresh frequency settings. When Windows XP is started in safe mode, only the most basic graphics card driver is used.

(6) The latest correct Configuration: selecting "start Windows XP with the last correct configuration" is a solution to problems such as inconsistent hardware with newly added drivers. In this way, Windows XP only restores information under the Registry Key hklmsystemcurrentcontrolset. Any changes made in other registry entries remain unchanged.

(7) directory service recovery mode: Not Applicable to Windows XP Professional. This is for the Windows XP server operating system and is only used to restore the sysvol directory and Active Directory directory services on the domain controller.

(8) debug mode: Start Windows XP and send debugging information to other computers through a serial cable. If Windows XP is being installed on your computer or you have used the Remote Installation service, you can see additional options related to restoring the system using the Remote Installation service.


6. How to delete XP
Symptom: I installed both Windows ME and Windows XP in FAT32 format. Windows ME is installed on disk C and Windows XP is installed on disk E. Yesterday, system32.dll was lost in Windows XP and cannot be started. Therefore, when I enter the Windows ME system, I directly Delete Windows XP from the drive E. However, the multi-System Startup menu appears for each boot. How can I completely delete XP?

Start with a Windows 9x/me boot disk, enter "sys C:" under "A:", and re-transmit the system to drive C.

7. How to handle the problem that Windows XP cannot be automatically shut down

Symptom: My Windows XP sometimes cannot automatically shut down my computer. What should I do?

After Windows XP is installed, some computers cannot be automatically shut down after you click shut down, but need to be manually shut down as before at power. This is mainly because Windows XP does not enable advanced power management. Correction Method: Click Start> Control Panel> performance and maintenance> power options. In the displayed power options property settings window, click Advanced Power Management and select enable advanced power management support ".

8. How to Create a shortcut for "locking a computer"

What should I do if I need to leave because of an emergency but do not want my computer to cancel the system? You can quickly lock the keyboard and display by double-clicking the desktop shortcut without using the "CTRL + ALT + DEL" combination or screen saver. Operation Method: Right-click the desktop, point to "new" on the shortcut menu that appears, and select "shortcut ". Then, the system starts the create shortcut wizard. Enter the following information in the text box: rundll32.exe user32.dll, lockworkstation, and click "Next ". Enter a shortcut name. You can name it "lock the workstation" or select any name you like and click "finish ". You can also modify the shortcut icon (my favorite one is the lock icon provided by shell32.dll ). To modify the shortcut icon, right-click "shortcut" and select "properties" from the shortcut menu that appears ". Select the shortcut tab, and then click the change icon. In the search icon text box in the following file, enter shell32.dll and click OK ". Select the desired icon from the list and click OK ". You can also specify a set of shortcut keys for shortcuts, such as "CTRL + ALT + L ". Although this method can only help you save one key, it can make the operation more flexible. To add a shortcut key combination, right-click "shortcut" and select "properties" from the shortcut menu that appears ". Select the shortcut tab and enter any key values in the shortcut key text box, windows XP converts it into a combination of shortcut keys (usually in the form of CTRL + ALT + any key ). To lock the keyboard and display, double-click the shortcut or use the defined shortcut key.


9. How to adjust the desktop icon color quality
Right-click the blank area on the desktop, and select the settings tab in the displayed Properties dialog box. You can adjust the color quality of your computer through the color quality drop-down list. You can also edit the Registry to adjust the color quality of the desktop icon. The procedure is as follows:

Open the Registry Editor, go to the hkey_current _ User \ Control Panel \ Desktop \ windowmetrics sub-key branch, double-click the shell icon BPP key value, and in the open "Edit string" dialog box, the "value data" text box displays the desktop icon color parameters. The default icon color parameter is 16. The available color parameters are as follows: 4 stands for 16 colors, 8 stands for 256 colors, 16 stands for 65536 colors, 24 stands for 16 million colors, and 32 stands for true color ). You can select and set the color parameters of your desktop icons based on your needs. Click OK to close the edit string dialog box. After logging out of the current user and restarting the computer, the setting takes effect.

Right-click the blank area on the desktop, and select the appearance tab in the displayed Properties dialog box, here, you can easily adjust the font and Icon size of the entire desktop, window, or other projects.

However, setting the Icon size in this way has certain limitations. For example, you can only select the desktop size solution provided by the system and cannot set the size of the desktop icon on your own. You can edit the Registry to adjust the desktop icon size as you like. The procedure is as follows: Open the Registry Editor, go to the hkey_current _ User \ Control Panel \ Desktop \ windowmetrics sub-key branch, and double-click the shell Icon size key value, in the "Edit string" dialog box, the "value data" text box displays the size parameter of the desktop icon. The default value is 29, you can set the parameter size as needed (the larger the parameter, the larger the desktop icon), and click OK to close the edit string dialog box. The setting takes effect after you log out of the current user and restart the computer.

10. How to select and set the system sound

When an event is activated, the system automatically sends a sound to the user according to the user's settings. To select a system sound, follow these steps:

(1) double-click the "Sound and audio device" icon in the "control panel" window to open the "Sound and audio device" attribute dialog box. It provides a means to check and configure the system sound environment. The dialog box contains five tabs: volume, sound, audio, voice, and hardware.

(2) On the sound tab, all sound events in Windows XP are displayed in the program events list box. If there is a "small horn" sign in front of the sound event, it indicates that there is a sound prompt in The Sound event. To set a sound prompt for a sound event, select a sound event in the program event list box, and select the desired sound file from the sound drop-down list as the sound prompt.

(3) If you are not satisfied with the sound file provided by the system, click the Browse button to bring up the Browse sound dialog box. Select a sound file in the dialog box, and click OK to return to the sound tab.

(4) in Windows XP, the system has preset multiple sound schemes for users to choose from. You can select a scheme from the "sound scheme" drop-down list to select sound for sound events.

(5) If you want to set your own dubbing scheme, you can select the desired sound file in the "Program Event" list box and configure the sound, and click the "Save as" button in the "sound scheme" option group, open the "Save scheme as" dialog box. Enter the name of the audio file in the "Save this dubbing scheme as" text box, and click "OK. If you are not satisfied with the dubbing scheme you set, you can select the scheme in the Audio scheme option group and click "delete" to delete the scheme.

(6) Select the volume tab to open the volume tab. In the device volume group, you can adjust the slider left and right to change the volume of the system output. To display the volume control icon in the taskbar, enable the "put volume icon in Taskbar" check box.

(7) to adjust the volume of each audio input/output, click the "advanced" button in the "device volume" area and adjust it in the "volume control" dialog box that appears. The volume control functions from the overall volume to the CD player and PC speaker are listed. You can also select "mute" to disable the corresponding individual volume.

(8) Click the "advanced" button in the "Speaker Settings" area on the "volume" tab, in the pop-up "Advanced Audio properties" dialog box, you can set the speaker mode closest to your hardware configuration for your multimedia system.

(9) In the "Advanced Audio properties" dialog box, select the "performance" tab. Here, you can adjust the audio playback, hardware acceleration, and sampling rate conversion quality. It should be noted that not all options are higher, the better, you need to set according to your own hardware conditions, good quality usually means a higher resource share.

Click OK to save the settings.

11. How to assign temporary management Permissions

Many programs require you to have management permissions during installation. This section describes a simple method for temporarily assigning management permissions to a user when logging on as a normal user. Right-click the Program Installation File and hold down the "shift" key. Click Run Mode in the shortcut menu that appears, and enter the user name and password with corresponding management permissions. This method also applies to applications on the Start Menu.

12. how to disable the automatic playback function of Windows XP
Once you insert the multimedia disc into the drive, the automatic operation will read data from the drive, which will cause the program to set the file and the music on the audio media to start immediately. You can use the following method to disable this function: Enable "Start> Run", and enter "gpedit. MSC command. In the displayed "Group Policy" window, select "in Computer Configuration> Manage template> System" and double-click "Disable automatic playback ", on the settings tab, select the enabled option and click OK (Figure 1-32 ).