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Uninstalling Windows from Command Prompt |
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Windows XP is the ability to uninstall XP if you performed an upgrade from Windows 98, 98SE, or Windows Me. The standard method of removing XP is achieved by booting into XP normally and uses the Add/Remove Programs tool in Control Panel. If you are unable to start XP normally, the second option is to load XP in Safe Mode then use the same tool. If you are unable to boot normally or boot into Safe Mode, XP can be removed by uninstalling from a Command Prompt. The procedure is as follows: Note: This procedure is available only if a successful image of the previous operating system was created during the XP upgrade. 1. Start the computer to Safe Mode with Command Prompt.
2. At the command prompt, type cd\, and then press ENTER.
3. Type cd\windows\system32, and then press ENTER.
4. Type osuninst.exe, and then press ENTER.
On screen instructions will guide you through the uninstall process to revert to the previous operating system.
This procedure can only be performed by users logged on as Administrator or a user with administrative rights. |
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Fix the MBR in Windows XP |
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The Master Boot Record (MBR) will be created when you create the first partition on the hard disk. It is very important data structure on the disk. The Master Boot Record contains the Partition Table for the disk and a small amount of executable code for the boot start. The location is always the first sector on the disk. The simplest way to repair or re-create MBR is to run Microsoft's standard utility called FDISK with a parameter /MBR, like A:\> FDISK.EXE /MBR FDISK is a standard utility included in MS-DOS, Windows 95, 98, ME. If you have Windows NT / 2000 / XP, you can boot from startup floppy disks or CD-ROM, choose repair option during setup, and run Recovery Console. When you are logged on, you can run FIXMBR command to fix MBR. |
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I Forgot My Administrator Password and how to recover! |
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Here’s how with a step-by-step description of the initial Repair process included for newbie’s.
1. Place your Windows XP CD in your cd-rom and start your computer (it’s assumed here that your XP CD is bootable – as it should be - and that you have your bios set to boot from CD)
2. Keep your eye on the screen messages for booting to your cd Typically, it will be “Press any key to boot from cd”
3. Once you get in, the first screen will indicate that Setup is inspecting your system and loading files.
4. When you get to the Welcome to Setup screen, press ENTER to Setup Windows now
5. The Licensing Agreement comes next - Press F8 to accept it.
6. The next screen is the Setup screen which gives you the option to do a Repair.
It should read something like “If one of the following Windows XP installations is damaged, Setup can try to repair it”. |
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Changing the MAC address in W2K and XP |
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Method 1:
This is depending on the type of Network Interface Card (NIC) you have. If you have a card that doesn’t support Clone MAC address, then you have to go to second method.
1. Go to Start ->Settings->Control Panel and double click on Network and Dial-up Connections.
2. Right click on the NIC you want to change the MAC address and click on properties.
3. Under “General” tab, click on the “Configure” button
4. Click on “Advanced” tab
5. Under “Property section”, you should see an item called “Network Address” or "Locally Administered Address", click on it.
6. On the right side, under “Value”, type in the New MAC address you want to assign to your NIC. Usually this value is entered without the “-“ between the MAC address numbers.
7. Goto command prompt  and type in “ipconfig /all” or “net config rdr” to verify the changes. If the changes are not materialized, then use the second method.
8. If successful, reboot your systems. |
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