Assumed you have a dual boot windows operation systems, one is windows 7(installed in drive C:\), the other is windows XP(installed in drive D:\), then you can remove windows XP at any time by following these steps that will be demonstrated in this article.
Many people like to install a dual boot windows for testing or using, if he or she does not need it, removing one operating system may be a good choice. Here it is a example to remove windows 7 from dual boot windows XP and windows 7. For convience, the system that will be deleted should be in the second drive(usually D:\), if your windows 7 is installed in the first drive, windows XP in the first drive, if you want to remove windows 7, reinstall windows 7 is a good choice instead of removing methods introduced in this article.
Previous article has introduced how to install Windows 7 from hard disk in Windows XP, some methods may be take effect in vista operating system. But there may be some different. For exmaple, you do not need to copy some bootable files from windows 7 again. You can use Vista's recovery mode directly. So I take this point in a single article which will introduce how to install windows 7 from hard disk in Vista. I hope this will give the starter some convenience.
Here it is the method of installing windows 7 from harddisk in windows XP, one is to install a second system, the other is a complete new installation. if you choose the latter one, your windows XP and also all the data in the system drive may be covered. Please making sure if you have some important data in the system partion, if so, backup them at first before any installation. If you want to install windows 7 as the second system only, It is very simple, the both types of installation will be introduced here.
Many home users and small commercial users are using DSL connections to the internet. (Point-to-Point Protocol over Ethernet)PPPOE is a common connection mode in DSL, how to create a PPPOE in windows 7? here it is a demonstration about it.
We often encountered "unable to delete some files or folders" in using Windows XP/Vista/Windows 7, some errors warning may be "Can not delete this file, it may be using or protected, etc", of course, it is relative. Here I summarize some common methods of deleting "Unable to Delete Files".
If you are using ADSL(or WAN,WLAN) for your network, windows 7 will get the IP address automatically, you do not need to assign any IP address. But you can assign your favorite IP address if your computer is connected to a HUB or a ROUTER.
When windows 7 is installed, the Home Network or Work Network is usually chosen, Home Network is to create a home user connection, the Work Network is to create a working network. there is another network type called Public Network we rarely use it.
This article will introduce how to create desktop icon manually in windows 7, how to create a internet shortcut for a web page. Here are some methods I can think of them. You can choose anyone in your favorite.
This article will introduce how to show desktop icons for your windows 7, for windows 7 ultimate it is very easy, but for home basic or premium editor, there are some trouble with it. because more people do not know to find the Desktop icon Setting window.



mattia @ Guide: Enable AHCI in Windows XP After Installation
uff... it doesn't work for me :/BadXperience @ How to Bulk Delete Thumbnail Thumbs.db Files
Wouldn't run the example as there is one space toorevbradl @ What's the function of +5VSB
Thank you for this excellent article. I appreciateFelixKey @ Methods of Deleting "Unable to Delete Files"
I have faced same problem also. After days of seareyalsol @ Does Your Computer Support SATA AHCI
which type of motherboard do i need for ahci suppoLaurentiu @ Guide: Enable AHCI in Windows XP After Installation
It worked! Thank You!