You can download 360 security guard software. It won't occupy too much memory. Turn on the computer every day to kill. Every time the score of computer startup is too low, the computer can be cleaned and repaired in time.
Don't always make rules. This is not good for hardware.
1. Disable idle IDE channels.
Right-click My Computer-Properties-Hardware-Device Manager, open the IDE ATA/PATA controller, then enter the primary and secondary IDE channels respectively, select Advanced Settings, set the device type to None, and set the transfer mode to DMA (if available).
2. Optimize visual effects
Right-click my computer-Properties-Advanced, and in the performance column, click Settings-Visual Effects to adjust to the best performance;
Or remove some unnecessary functions: slide the taskbar button, use a background picture for each folder type, display shadows under the menu, fade out the menu after clicking, fade in or out the toolbar prompt in the view, display shadows under the mouse pointer, and remove the hook of the animation window option when maximizing and minimizing.
3. Optimize performance
Right-click My Computer-Properties-Advanced, in the performance column, click Settings-Advanced, and then click Programs for Processor Planning and Memory Use.
Click "Change" in the "Virtual Memory" area-select the system letter in the drive list-customize the size-set the values in "Initial Size" and "Maximum Size", then click "Set" button, and finally click "OK" button to exit. The minimum value of virtual memory is 0.5-2 times that of 65438+ physical memory, and the maximum value is 2-3 times that of physical memory.
4, startup and fault recovery
"My Computer"-"Properties"-"Advanced"-"Startup and Fault Repair"-"Settings", in the "System Fault Area", remove the boxes in front of "Write events in the system log", "Send management alarm" and "Automatic restart"; Set "Write Debugging Information" to "None"; Click "Edit", and in the notepad file that pops up:
[Operating System] timeout=30 // Change the default time from 3 seconds to 0 seconds.
5. Disable error reporting.
"My Computer"-"Properties"-"Advanced"-Click "Error Reporting", select "Disable Error Reporting", and check "Notify me when a serious error occurs"-OK.
6. Turn off the system restore function
Click Start-right-click My Computer-Properties-System Restore, and click "Turn off System Restore on all drives" to confirm. Check the operating system files hidden in the view and remove the hook. Click to display all files and folders, and make sure to find the system volume information folder for future deletion.
7. Turn off automatic updates.
Click Start-Right-click My Computer-Properties-Automatic Update-Choose to turn off automatic update or choose to notify me when downloads are available.
8, close the remote desktop
Start-Right-click My Computer-Properties-Remote, and uncheck the "Allow remote assistance invitation from this computer" and "Allow users to connect to this computer remotely" check boxes in Remote Assistance and Remote Desktop-OK.
9. Disable the hibernation function.
Click Start-Control Panel-Power Management-Hibernation, and uncheck the box before "Enable Hibernation".
Second, set the display attribute function.
1. Right-click on the blank space of the desktop-Properties-set "Background" and "Screen Saver" to "None"; Remove the checkmark before "Turn on automatic conversion of desktop wallpaper";
2. Right-click the blank space on the desktop-Properties-Appearance-Effect-Remove the check in front of "Use the following transitional effects for menus and tooltips" and check "Use the following methods to smooth the edges of screen fonts"-OK. 3. Right-click the blank space of the desktop-Properties-Settings-You can set the "screen resolution" to 800×600 or1024× 768; Generally, "color quality" should not be set too high, and "medium" is better.
4. Right-click the desktop-Properties-Settings-Advanced-Display-Set the blank space where the flat screen refresh rate is "75-85hz", and the LCD will automatically.
5. Right-click the blank space on the desktop-Properties-Settings-Advanced-Troubleshooting-Adjust Hardware Acceleration to All -OK.
Third, turn off the "Internet Time Synchronization" function.
Right-click the time in the notification area of the taskbar-select Adjust Date/Time-Internet Time, and uncheck it before "Automatically synchronize with the Internet time server"-OK.
Fourth, close some startup programs Start-Run -msconfig- Start, except antivirus software and input method, general programs can be closed.
Verb (short for verb) disables redundant service components.
Right-click My Computer-Administration-Services and Applications-Services, and set unnecessary services as disabled or manual in the right pane. See XP system service startup item optimization settings.
6. Close Dr. Watson, Dr. Watson.
Click Start-Run-Enter the command drwtsn32, or Start-All Programs-Accessories-System Tools-System Information-Tools/Dr. Watson, and bring up Dr. Watson in the system, leaving only ".
Seven, modify the registry
1. Accelerate startup and shutdown.
In [start]-> [run]-> type [registry]-> [HKEY current user]->; [Control Panel]-> [Desktop], change the numerical data of the string value [HungAppTimeout] to [200], and change the numerical data of the string value [WaitToKillAppTimeout] to 1000. In addition, in [HKEY _ Local _ Machine] → [System] →; [Current Control Set]-> [control], change the numerical data of the string value [HungAppTimeout] to [200], and change the numerical data of the string value [waittokilservicetimeout] to 1000.
2. Automatically close the stop response program.
In [start]-> [run]-> type [registry]-> [HKEY current user]->; [Control Panel]-> [Desktop], change the numeric data of the string value [AutoEndTasks] to 1, and then restart.
3. Clear the unused DLL files in the memory.
Type [regedit]-> [hkkey _ local _ machine]-> in [Start]-> [Run]. [Software]-> [Microsoft]-> [Windows]-& gt； [CurrentVersion], add an item [AlwaysUnloadDLL] in [Explorer], and the default value is set to 1. Note: If the default value is set to [0], this function will be disabled.
4. Accelerate broadband access.
(1) Home Edition: type [regedit] in [Start]-> [Run]-> in [HKEY _ Local _ Machine]-> [Software]->; [strategy]-> [Microsoft]-> [Windows], add a project named [Psched], and add a Dword value [nonbestforlimit] in the window to the right of [Psched]. The numerical data is 0.
(2) business edition: type gpedit.msc in Start-> Run->, open the local computer policy, and select Computer Configuration-> Management Template-> Network -->【QoS Packet Scheduler, and double-click Restrict Reserved Bandwidth in the right window and select. All right, just reboot.
5. Speed up the menu display.
In [start]-> [run]-> type [registry]-> [HKEY current user]->; [Control Panel]-> [Desktop], change the numeric data of the string value [MenuShowDelay] to [0]. If the menu display speed is too fast to adapt after adjustment, please change the value of [MenuShowDelay] to [200] and restart.
6, speed up the automatic refresh rate
In [start]-> [run]-> type [regedit]-> [HKEY _ local _ machine]-> [system]-> [Current Control Set]-> [control]-> [Update], change the numerical data of Dword[UpdateMode] to [0], and then restart.
7. Accelerate the pre-reading ability and improve the boot speed.
Windows XP pre-reading settings can improve the system speed and speed up the boot. Press Modify to make better use of CPU efficiency: type [regedit]-> [HKEY _ local _ machine] in [Start]-> [Run]->-> [system]-> [Current Control Set]-> [control]-> [Session Manager]-> [MemoryManagement], in the window to the right of [PrefetchParameters], change the numerical data of [enable prefetch] as follows. For example, if you use a CPU with PIII 800MHz or above, it is recommended to change the numerical data to 4 or 5, otherwise it is recommended to keep the numerical data as the default value, that is, 3.
8. Use the L2 cache of CPU to speed up the overall efficiency.
In [start]-> [run]-> type [regedit]-> [HKEY _ local _ machine]-> [system]-> [Current Control Set]-> [control]-> [SessionManager], in the right window of [MemoryManagement], change the numerical data of [SecondLevelDataCache] to the same decimal value as the L2 cache of CPU: for example, P4 1.6G is 5 12Kb for an L2 cache, and the numerical data is changed to the decimal value of 5 12.
9. Run the defragmenter when you start the computer.
In [start]-> [run]-> type [regedit]-> [HKEY _ local _ machine]-> [Software]-> [Microsoft]-> [Dfrg]-& gt； [BootOptimizeFunction], set the string value [Enable] to: y equals on, and n equals off.
10, automatically shut down and stop the response program when shutting down.
Type [Registry]-> [HKEY User]-> in [Start]-> [Run]; [.Default]-> [Control Panel], and then change the numerical data of [AutoEndTasks] to 1 in the window on the right side of [Desktop] to log off or restart.
1 1, speed up broadband access.
Home Edition: Open the Registry Editor, find HKEY _ Local _ Machine \ Software \ Policy \ Microsoft \ Windows, add an item named Psched, and add a Dword value NonBestEffortLimit in the right window of Psched, with numerical data of 0.
12, speed up broadband network speed.
Open Registry Editor and locate.
HKEY _ local _ machine \ system \ currentcontrolset \ services \ tcpip \ parameters, right-click the parameter in the blank on the right, select the left "New" -> DWORD value edge, name it "DefaultTTL", right-click the mouse and select "Modify" to change the value to 80 (hexadecimal) or 128.
Then click Tcpip in the left pane and change the value of GlobalMaxTcpWindowSize to 7FFF.
13, accelerate online neighbors
Open the registry editor and find HKEY_LOCAL_MACHINE/sofew.
Yes/Microsoft/Windows/Current Version/Explore/Remote Computer/Namespace, and delete {2227A280-3AEA-1069-A2DE08002B 30309D} (printer) and {D6277990-4C6A-/Kloc-0.
14. Cancel the display icon of user documents in [My Computer] in WinXP.
Just installed Windows XP, when you open [My Computer], you will see the column of [Files Stored in this Computer], which is not only unsightly, but also seriously affects the double-click opening speed of [My Computer]! By modifying registry-specific key values, you can cancel:
Open the registry editor and find HKEY _ local _ machine \ software \ Microsoft \ Windows \ currentversion \ Explorer \ My computer \ namespace \ Delete Folders. Find the registry key named {59031a47-3f72-4a47-89c5-5595fe630ee} under it and delete it.
15. Cancel the default support for. ZIP file function.
Windows XP support. ZIP file, but the system will consume a lot of resources for this. You can attribute this to.
To turn it off, just enter "regsvr32/u zipfldr.dll" in "Run" in the "Start" menu.
Eight, transfer the folder that needs to be backed up to another partition.
In order to restore or reinstall the system in the future, you can transfer your favorites and my documents to other partitions to prevent your own things from being accidentally lost. In classified view mode, open my computer in turn, find favorites or my document folder, click Move this folder in the file and folder taskbar on the left, and move to the partition determined by yourself according to the prompts.