You can re-install Windows 7 (or a different OS over Windows 7) by mounting an ISO disc file to your ROM drive or by placing the Windows 7 (or a different OS) installation disc into your physical ROM drive. When you install Windows over Windows it will create a Windows.old folder in your C drive directory which contains all of your old files from your previous installation.
There are many ways to sort out your problem...but the best way i believe to completely format the hard drive...and reinstall a new OS on a newly created partition...it takes longer but at least you know that you are starting completely new...
You just put in the installation disk for Win 7 and it will reinstall itself over the existing OS.
format the pc and reinstall os then install vs 6
You cannot bypass the "Firmware" password, you HAVE to erase and reinstall the OS if you forgot the "Firmware" password.
Just format c: and if not delete c:\windows then u have to reinstall the OS , to make the system work
You have to reinstall Windows. Use you windows DVD and reinstall the OS. If you are uncertain, take help from a professional.
if that hard drive is replacing your old hard drive so that it is the only one in there, then yes you will have to reinstall the os. However, if you are planning on adding it in addition to your old one, then you wont have to reinstall it.
Reinstall your OS !
It doesn't matter if you install it on your PC that does have Home edition sticker as long as you have the proof (Windows XP Pro CD that you have bought with you). Microsoft only determines if you have a genuine copy of Windows when you download an update online from Microsoft so there is no worry on your side whether you reinstall the OS at anytime.
Not necessary. If you get one of those boot viruses which puts itself in the boot sector even after complete disk format you will still have it. But in most cases complete formatting of the hard drive and fresh installion of OS gives you virus free OS.
touchbase pro on mac os X
The installation CD of the new OS should be bootable. Boot the computer with the disc in, and choose to install the OS. It should give you an option to clean install, and format.