Basic computer maintenance
Basic computer maintenance
Following are some basic system maintenance steps that will help to keep your
system running smoothly; in many cases they will actually cure some common
performance related problems. You should undertake to carry out the steps
in the order that I have listed them, so before you start, be sure to download
HD Valet - a drive cleanup utility that removes temporary, unneeded and 'junk'
files from your hard drive. It is highly configurable, and will aid you
greatly in the clean up of your drive. You can download it here.
- Empty your internet cache.
For users of Internet
Explorer:
- Close all instances of your browser.
- Open Control Panel and double click on Internet Options.
- In the General tab, in the section where it says Temporary
Internet Files, press the button marked Delete Files.
- In the dialog box that pops up, place a check mark in the box Delete
all offline content.
This removes all subfolders that are created in
the Temporary Internet Files\Content.IE5 folder. For
users of Netscape or Mozilla:
- From the menu bar, choose Edit / Preferences / Advanced / Cache.
- Press the Clear cache button.
For Mozilla
Firebird/Firefox:
- From the menu bar, choose Tools / Options / Privacy / Cache.
- Press the Clear button.
For Opera users:
- From the menu bar, choose File / Preferences / History and Cache.
- Press Empty Now.
- Clean up unnecessary files from your hard drive with HDValet -
which you should have downloaded and installed previously. Read about HD
Valet here:
Make Room On Your Hard Disk
- "My Documents": Make sure that you do not have too many
files, folders and sub-folders in 'My Documents'. Create new folders
outside of 'My Documents' and move stuff to the new folders. The
'My Documents' folder is a special system folder, and there is a known issue
in Windows, where too many files/folders within it can cause your system to
become very sluggish.
'My Documents' is what's known as a "Shell
Object" - based on an "environment" concept. It is actually a
special Shell Object, called a Shell Folder. Shell Folders are not
real folders, but they do point to real folders on the hard drive - think of
them as a special kind of shortcut. 'My Documents' is not the only
kind of Shell Object - others can be created, too. The 'Internet
Explorer' on the desktop is a Shell Object, though NOT a Shell
Folder.
The idea of Shell Folders is to have all user files available
from a common location. The registry's entry for the personal
"environment" of 'My Documents' is not a true folder, as I have said, rather
it is a "NameSpace" that can actually point anywhere (not just c:\my
documents). As far as Windows is concerned, 'My Documents' resides in the
registry only; the physical location and contents has to be enumerated
continually by the registry. With a large registry and many
files and folders in the "physical" location of 'My Documents', it is very
easy for Windows to become bogged down or sluggish, particularly under heavy
load. Note that this does not mean that Windows WILL get bogged
down, only that it can. There is NO magical number of files or
folders that might result in a sluggish system. Some systems will
run absolutely fine with many folders and many MBs in 'My Documents', while
others will groan with relatively few. This information is aimed at
those who may experience a slowdown, or general sluggishness in Windows, and
Windows Explorer in particular. It is just one thing to keep in
mind when troubleshooting a slow system.
- Clean up your registry with one or both of the following freeware
tools -- be sure to read the help files.
- Streamline your startups. Take some time to study the
following web pages to determine what programs you have running at startup,
what is necessary and what you can disable. To help you, Startup List will
tell you what you have running at startup on your system. Wherever
possible, use the preferences or options of the application involved to
prevent it running at startup. This is important, because msconfig is
designed as a diagnostics tool, and may not prevent items from running
permanently. Where there is no option within the program, you can try
using msconfig - which will work in many cases. To do this, press the
Start button and choose 'Run'. In the Run box type msconfig and
press [Enter]. Choose the Startup tab and you will see a list of
items. Be sure to only uncheck those items you are sure can be disabled,
or have confirmed with the following lists.
For the adventurous amongst you, but particularly for
troubleshooting purposes, following is a list of possible startup locations.
Otherwise, you may skip directly to item 6. WARNING: Editing the
registry incorrectly can result in your operating system failing to function.
Do this only if you are confident, and be sure to back up your registry first,
or create a restore point, in case something should go wrong. What YOU
do with this information is YOUR responsibility, and YOURS
alone.
List of possible startup locations.
- REGISTRY:
HKLM = HKEY_LOCAL_MACHINE HKCU =
HKEY_CURRENT_USER
HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnce\ HKLM\Software\Microsoft\Windows\CurrentVersion\RunOnceEx\ HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\ HKLM\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce\ HKLM\Software\Microsoft\Windows\CurrentVersion\Run\ HKLM\Software\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\ HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ HKLM\Software\Microsoft\Windows
NT\CurrentVersion\Windows (AppInit_DLLs) HKLM\Software\Microsoft\Windows
NT\CurrentVersion\Winlogon (Userinit) HKLM\Software\Microsoft\Windows
NT\CurrentVersion\Winlogon (Shell) HKLM\Software\Microsoft\Windows
NT\CurrentVersion\Winlogon\Notify\ HKLM\Software\Policies\Microsoft\Windows\System
(Scripts)
HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnce\ HKCU\Software\Microsoft\Windows\CurrentVersion\RunOnceEx\ HKCU\Software\Microsoft\Windows\CurrentVersion\RunServices\ HKCU\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce\ HKCU\Software\Microsoft\Windows\CurrentVersion\Run\ HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\ HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System
(Shell) HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows
(Run) HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows
(Load) HKCU\Software\Policies\Microsoft\Windows\System (Scripts)
- Services
HKLM\SYSTEM\CurrentControlSet\Services\
- Browser Helper
Objects
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\explorer\Browser
Helper Objects\
- Active Setup Stub Keys (These are disabled if there is a twin in
HKCU)
HKLM\SOFTWARE\Microsoft\Active Setup\Installed
Components\
- ICQ Agent
Autostart
HKCU\Software\Mirabilis\ICQ\Agent\Apps
- STARTUP FOLDERS:
Documents and Settings\All Users\Start
Menu\Programs\Startup Documents and Settings\[user name]\Start
Menu\Programs\Startup Documents and Settings\Administrator\Start
Menu\Programs\Startup Documents and Settings\Default User\Start
Menu\Programs\Startup WinNT\Profiles\All Users\Start
Menu\Programs\Startup WinNT\Profiles\[user name]\Start
Menu\Programs\Startup WinNT\Profiles\Administrator\Start
Menu\Programs\Startup WinNT\Profiles\Default User\Start
Menu\Programs\Startup Windows\Start Menu\Programs\Startup Windows\All
Users\Start Menu\Programs\Startup WinME\Start
Menu\Programs\Startup WinME\All Users\Start
Menu\Programs\Startup
- OTHER
MEANS:
WINDOWS\win.ini Start= Run=
WINDOWS\system.ini Shell= Scrnsave.exe= Drivers=
Config.sys Autoexec.bat Dosstart.bat Task
Scheduler
- TEMP Folder: Reboot and immediately empty your
"Windows\Temp" folder - or "Documents and Settings\[username]\Local
Settings\Temp" for Windows XP users. Note that emptying the
Temp folder is quite safe, but only following a reboot.
This is because applications and setup routines store working files in the
temp folder, and setup routines in particular, often need to finish their
cleanup process after a reboot. It also ensures that you don't
delete a temporary file that may be needed by an application that is currently
running, with the possibility of loosing work.
Here are some possible
TEMP folder locations.
- Your system may vary:
[Drive]:\Windows\Temp [Drive]:\Documents and
Settings\[User Name]\Local Settings\Temp [Drive]:\Documents and
Settings\Default User\Local Settings\Temp [Drive]:\Documents and
Settings\Administrator\Local Settings\Temp [Drive]:\Documents and
Settings\LocalService\Local Settings\Temp [Drive]:\Documents and
Settings\NetworkService\Local Settings\Temp
- Windows Update temporary
folder:
[Drive]:\WUTemp [Drive]:\Windows\WUTemp [Drive]:\Program
Files\WindowsUpdate\V4\temp
- Empty your recycle bin. You'd be surprised how many people
fail to empty their recycle bin regularly, and it can grow to many megabytes,
or even gigabytes! If you have Norton Protected Recycle Bin installed,
empty that, too. Right click on the recycle bin and you will see the
options available to you.
- Scandisk and defrag your hard drive.
- Keep your system well maintained by following these few simple
steps. You may be surprised at the difference a clean system can
make.
°Mike°, 2003-2005
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