How to fix a corrupt Windows XP O/S

Windows XP has the ability to repair itself from 3rd party software overwriting important system files. To fix this we will use a utility called System File Checker or sfc for short Parameters /scannow : Scans all protected system files immediately. /scanonce : Scans all protected system files once. /scanboot : Scans all protected system files every time the computer is restarted. /revert : Returns the scan to its default operation. /purgecache : Purges the Windows File Protection file cache and scans all protected system files immediately. /cachesize=x : Sets the size, in MB, of the Windows File Protection file cache. /? : Displays help at the command prompt.

Instructions

Things You’ll Need:

• Windows XP Home/Pro cd

Step1

Go to Start then run and then type sfc /scan now. It will Prompt you to insert a cd

Step2

Insert the cd and let the SFC utility run

Step3

Whats going on? the SFC will check your changes to the main system files.

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trick to shutdown our genious machine at desired time extremely useful while downloading

friends usually many of us have the habit of downloading s/w or movies in the night the system downloads the whole movie or software and after downloading it still runs thus increasing our electricity bills......
now let me tell you that we can shutdown our machine at desired time by using a function
to do this goto run...>cmd ..>shutdown

"shutdown"
Allows you to shut down . Used without parameters, shutdown will logoff the current user.
Syntax

shutdown [{-l|-s|-r|-a}]
Parameters

-l : Logs off the current user, this is also the defualt. -m ComputerName takes precedence.

-s : Shuts down the local computer.

-r : Reboots after shutdown.

-a : Aborts shutdown. Ignores other parameters, except -l and ComputerName. You can only use -a during the time-out period.

-f : Forces running applications to close.

thats short info about shutdown and its parameters

when we start a d/w accoring to our net speed we can now approximate in how much time the file will be downloaded .let us the file will be downloaded in 20 minutes
then we have to type
shutdown -s -t 1200
here 1200 stands for 20 min bcoz the -t switch is to be followed by seconds and here 20 min so 20*60=1200
the same shutdown() function can be used to either shutdown or restart or logoff after a given interval of time .
everytime giving this command is tedious to some of us
inorder to simplify this we can create shortcuts to shutdown and restart which tells the computer to do so after specified time interval
Create a desktop shortcut.




To create desktop shortcut you need to right-Click on the desktop and choose shortcut.
In the type the location for the item paste this :

For shutdown
shutdown -s -t 00
As you can see above, this says to shutdown immediately.

For shutdown and restart
shutdown -r -t 00
As you can see above, this says to shutdown and restart immediately.
shutdown -l -t 00

The 00 can be replaced by time delay you want to give before working.. Its in seconds.

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tip to create a visiting card in windows

hai friends if we want to store our friends or customers details just as we store visiting cards in a wallet. windows has a default utility to do this task
goto--------->run------>type wab and press enter
voila u r done...
the remaining i.e how you fill the card is left to u

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nice trick to make a sticky notes without using any third party software

What is this all about:
Guys to keep small notes in comp we usually use software like Stick Note(http://www.sticky-notes.net/). But these usually eats up huge memory and sometime very complected.

Solution:
This trick will help you to maintain your notes as logs using simple windows inbuilt Notepad.

Its very easy. Create a new text file.Name it anything you like. Say Notes.txt
Now add the following text in your notepad. ".LOG"
Save your file.
Now close the file and open again.
Each time you open it the file will append current time stamp in the file

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tips to maximise ur laptop battery

you might have a very high end lappy with high end processor , gigas of ram , but without enough batterycharge in the crucial time it can be used like this --------------------------------->
dont worry frnz i hav some tips for u


Dim the Bright LCD Screen – Most laptops come with the ability to dim your laptop screen. Some even come with ways to modify CPU and cooling performance. Cut them down to the lowest level you can tolerate to squeeze out some extra battery juice.Possibly use a black color background and themes.

turnoff wifi-
If you are using the laptop for offline work, like composing emails or giving final touches to that PowerPoint presentation, there’s no point checking for Wi-Fi network in your area when you are not going to use it anyway. Most laptops have shortcut keys to instantly disable wireless networking.

"kill unnecessary programs running in the background"-
Itunes, winamp,etc etc. All these add to the CPU load and cut down battery life. Shut down everything that isn’t crucial when you’re on battery.


Defragment ur Hard Disk –
Defragmenting will try to put all the piece of a file in a sequence so it will take less effort to see a file. You may notice a marginal jump in computing speed after defragmentation plus it also helps in extending the very precious life of your battery.

use a hard drive rather than CD/DVD - As power consuming as hard drives are, CD and DVD drives are worse. Even having one in the drive can be power consuming. They spin, taking power, even when they?re not actively being used. Wherever possible, try to run on virtual drives using programs like Alcohol 120% rather than optical ones

brush ur battery contacts-
Clean your battery’s metal contacts every couple of months with a cloth moistened with rubbing alcohol. This keeps the transfer of power from your battery more efficient.

Take care of your battery -
Exercise the Battery. Do not leave a charged battery dormant for long periods of time. Once charged, you should at least use the battery at least once every two to three weeks. Also, do not let a Li-On battery completely discharge

Hibernate not standby -
placing a laptop in standby mode saves some power and you can instantly resume where you left off, it doesn’t save anywhere as much power as the hibernate function does. Hibernating a PC will actually save your PC’s state as it is, and completely shut itself down.

make ur lappy cool-
Your laptop operates more efficiently when it’s cooler. Clean out your air vents with a cloth

Set up and optimize your power options -
Go to ‘Power Options’ in your windows control panel and set it up so that power usage is optimized (Select the ‘max battery’ for maximum effect)

Don’t multitask -

Do one thing at a time when you’re on battery. Rather than working on a spreadsheet, letting your email client run in the background and listening to your latest set of MP3’s, set your mind to one thing only. If you don’t you’ll only drain out your batteries before anything gets completed!

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