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For Users with 256 MB RAM or more this tweak will boost their Windows- and Game-Performance.
What it does: It tells Windows not to use any Swap File until there is really no more free RAM left.

Open the System Configuration Utility by typing msconfig.exe in the RUN command. There in your System.ini you have to add "ConservativeSwapfileUsage=1" under the 386enh section.

Restart your Windows and enjoy better Game performance
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Reduce 10 second scandisk wait time

Start MS Dos Prompt (Start run CMD)
CHKNTFS/T:4
where 4 is the amount of waity time

CHKNTFS/?
for more info
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Fresh install with no ACPI.

Just press F5 after the first screen asking
if you have raid devices to install (will ask at
bottom of screen to press F6) keep pressing F5 to second screen where it will ask to press F2 for recovery console. Keep holding F5 and should get another screen where it will say that it cannot recognize type of pc. There you have two choices: standard pc and other. Select standard and voila no ACPI will be installed.
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Keep high preformance and keep the GUI

To increase system performance and keep the GUI:

Right click my computer.
Click properties.
Click advanced.
Click settings (under performance).
Click Adjust for best performance.
Scroll to the bottom and check the last one “use visual styles on windows and buttons”.
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Turn off auto-expanding trees in Windows Explorer

I'm sure some of you have noticed that in Windows Explorer, whenever you click a folder in the left pane, it automatically expands to show all subfolders. If you find this annoying, follow these steps...

1) close Windows Explorer if it's running

2) go Start -> Run, then type "regedit"

3) Navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced

4) Change the value of "FriendlyTree" to 0

5) close regedit, and start up Windows Explorer. Auto-expanding menus are now off

for some reason, microsoft left this option out of the Windows Explorer options.
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Windows 2000 CTRL+ALT+DEL Style

If you want the Windows 2000 CTRL+ALT+DEL screen to appear in XP instead of immediatly jumping to the task manager simply deactivate the welcome screen:

start > settings > control panel > change the way users log on and log off > uncheck "Use the welcome screen"

now reboot your machine (it didnt work on my machine until I rebooted). now when you use CTRL+ALT+DEL you can do all the same things you could with 2000 (eg. Lock The Computer or force a shutdown)
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Free-up some more disk space

Windows XP uses a file called hiperfil.sys to save everything it needs when Windows XP goes into hibernation. If you are like me, and never use the hibernate function, you can turn it off. By turning hibernate off, Windows XP deletes the hiberfil.sys. This can free up the as much disk space as the amount of ram that you computer has.

Go to Control Panel/Power Options/Hibernation and untick the box. It's as easy as that. Now you will have plenty more disk space to install those mega programs!
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Optimise NTFS

NTFS is a great filesystem, but its feature-set comes at a slight cost in performance. You can negate this a little with the following tips:

* By default NTFS will automatically update timestamps whenver a directory is traversed. This isn't a necessary feature, and it slows down large volumes.

Disable it by pointing regedit to:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\FileSystem and set 'DisableNTFSLastAccessUpdate' to 1.

* NTFS uses disparate master file control tables to store filesystem information about your drives. Over time these core MFT files grow and become fragmented, slowing down all accesses to the drive. By setting aside a little space, MFT's can grow without becoming fragmented. In the same key where you disabled the last access feature creat a new DWORD value called 'NtfsMftZoneReservation' and set it to 2.
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Memory Performance Tweak

These Settings will fine tune your systems memory

management -atleast 256MB of ram recccomended

go to start\run\regedit -and then to the following key

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management

1.DisablePagingExecutive -double click it and in the decimal put a 1 - this allows XP to keep data in memory now instead of paging sections of ram to harddrive yeilds faster performance.

2.LargeSystemCache- double click it and change the decimal to 1 -this allows XP Kernal to Run in memory improves system performance alot

3.create a new dword and name it IOPageLockLimit - double click it and set the value in hex - 4000 if you have 128MB of ram or set it to 10000 if you have 256MB set it to 40000 if you have more than 512MB of ram -this tweak will speed up your disckcache

Reboot and watch your system fly
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Open Explorer from Command Line in Same Directory

If you are at the command prompt 10 subdirectories deep, simply do the following:

explorer . will open an explorer window and it will be in that directory.

explorer .. will open on directory back....
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Swap File Tweak

For Users with 256 MB RAM or more this tweak will boost their Windows- and
Game-Performance.
What it does: It tells Windows not to use any Swap File until there is
really no more free RAM left.

Open the System Configuration Utility by typing msconfig.exe in the RUN
command. There in your System.ini you have to add
"ConservativeSwapfileUsage=1" under the 386enh section.

Restart your Windows and enjoy better Game performance
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Clicking AVI Files on explorer casuing 100% CPU Usage

Well windows seem to have a REALLY big problem when it comes to reading
AVI files. It seems that when you click on an AVI file in explorer, it'll
try to read the entire AVI file to determine the width,height, etc. of the
AVI file (this is displayed in the Properties window). Now the problem
with Windows is that if you have a broken/not fully downloaded AVI file
that doesnt contain this info, Windows will scan the entire AVI file
trying to figure out all these properties which in the process will
probably cause 100% CPU usage and heavy memory usage.

To solve this problem all you have to do is the following:

1. Open up regedit
2. Goto HKEY_CLASSES_ROOT\SystemFileAssociations\.avi\shellex\PropertyHandler
3. Delete the "Default" value which should be
"{87D62D94-71B3-4b9a-9489-5FE6850DC73E}"

Voila! Please not that this will no longer provide you with the windows
properties displaying the AVI file information such as width, height,
bitrate etc. But its a small price to pay for saving you resources.

NOTE: Please use caution when using regedit. Improper usage may cause
windows to behave imcorrectly. Also, I cannot be held resposible. Backup
your registry first.
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Clean your prefetch to improve performance

This is an unique technique for WinXP. We know that it is necessary to
wash registry and TEMP files for Win9X/ME/2000 periodly. Prefetch is a new
and very useful technique in Windows XP. However, after using XP some
time, the prefetch directory can get full of junk and obsolete links in
the Prefetch catalog, which can slow down your computer notablely. My
suggestion is: open C(system drive):/windows/prefetch, delete those junk
and obsolete files,reboot. It is recommended that you do this every month.
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Virtual Paging File

This tweak can increase the amount of RAM significantly used on your
computer. What this tweak actually does is it uses your hard-drive
disk-space to emulate RAM. This is called caching, or in Microsoft terms -
The Virtual Paging File Size.

1.) Go into Control Panel and into Performance and Maintenance
2.) Get into System
3.) Click the Advanced Tab
4.) In the Performance Frame, click on Settings
5.) Once in Settings click on the Advanced Tab
6.) Now under Virutal Memory click on Change
7.) Here you can set your RAM value. The recommended increase you should
make should be achieved by multiplying your RAM by 1.5. This is already
done if you have a System Managed file size. I like to increase it by 1/5
of my actual hard-drive space. This will drastically increase performance,
because the system will now have a pool of cache to retrieve memory from.
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Get more processing power.

In the Run box, type "Rundll32.exe advapi32.dll,ProcessIdleTasks". This
frees up any idle tasks running in the background so that Windows XP can
devote its full attention to what you want it to do. For example playing
graphic intensive games.
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Watch movies with 'AboveNormal' priority

This tweak will launch WindowsMediaPlayer (or any program) with the
'AboveNormal' priority setting when opening a mediafile.

Having trouble watching a movie when you also have a lot of background
processes going on?

Here's what to do:

1. Create a new textfile in the root of c:\, but instead of giving it the
.txt extension you name it wmp_AboveNormal.bat

2. Right-click this file and choose 'Edit', you'll see it'll open notepad.
Put this line in:
start /AboveNormal C:\"Program Files"\"Windows Media Player"\wmplayer.exe
%1 %*

3. Save (make sure you save it as .bat, not as .txt) and close.

Now all you have to do is register your mediafiles to this batchfile.
Here's how to do that:

4. In Windows Explorer choose Tools>Folder Options >File Types

5. Scroll down(press A) to the AVI filetype

6. Click 'Change' and point to c:\wmp_AboveNormal.bat . Click OK and Close.

Now everytime you dubbleclick an .avi WMP will open with the 'AboveNormal'
-priority setting ! (Repeat steps 4-6 to register all mediatypes you want
to be opened this way.)



These are all the settings: Realtime, High, AboveNormal, Normal,
BelowNormal, Low.

*Realtime is not recommended unless you have a dual-CPU system!
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SystemPages Memory Tweak

By default, if you look in the
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session
Manager\Memory Management]key, you'll see the 'SystemPages' DWORD Value
set to something around 500 MB (more accurately, 524288 (KB), or something
close to that value). Simply reduce the value to something around 128 MB
(131072 KB) or 256 MB (262144 KB). Personally, I'm using the 128 MB
setting, since my total RAM is 256 MB. It might help to experiment a
little, since each machine will most likely yield better or worse results.
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Unload .dll's to Free Memory

Windows Explorer caches DLLs (Dynamic-Link Libraries) in memory for a
period of time after the application using them has been closed. This can
be an inefficient use of memory.

1. Find the key
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer].
2. Create a new DWORD sub-key named 'AlwaysUnloadDLL' and set the default
value to equal '1' to disable Windows caching the DLL in memory.
3. Restart Windows for the change to take effect.

I tried this after running a intense program, then watched the task
manager; memory recovered it self.
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Remove hibernation file

If you do not use hibernation, make sure you do not have it enabled, which
reserves disk space equal to your RAM. If you have a hidden file on the
root directory of your C-drive called hiberfil.sys, hibernation is
enabled. To remove that file, go to Control Panel, select Performance and
Maintenance, Power Options, Hibernate tab, and uncheck the Enable
hibernation box.
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Optimise NTFS

NTFS is a great filesystem, but its feature-set comes at a slight cost in
performance. You can negate this a little with the following tips:

* By default NTFS will automatically update timestamps whenver a directory
is traversed. This isn't a necessary feature, and it slows down large
volumes.

To disable automatic updating, change the value of the
NtfsDisableLastAccessUpdate registry entry (in
HKEY_LOCAL_MACHINE\SYSTEM\CurrentContolSet\Control\Filesystem) to 1. If
the entry is not already present in the registry, add it before setting
the value. (Add it as a REG_DWORD)

* NTFS uses disparate master file control tables to store filesystem
information about your drives. Over time these core MFT files grow and
become fragmented, slowing down all accesses to the drive. By setting
aside a little space, MFT's can grow without becoming fragmented. In the
same key where you disabled the last access feature creat a new DWORD
value called 'NtfsMftZoneReservation' and set it to 2.
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Turn off System Restore to save space

By default, Windows XP keeps a backup of system files in the System Volume
Information folder. This can eat up valuable space on your hard drive. If
you don't want Windows to back up your system files:

1. Open the Control Panel
2. Double-click on system
3. Click the System Restore tab
4. Check "Turn off System Restore on all drives"
5. Hit Apply
6. You may now delete the System Volume Information folder.

Warning! If you turn this off you will not be able to use Windows System
Restore to restore your system in case of failure.
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