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Windows 7: Need to zap W7 and reinstall

20 May 2011   #1
SkylineUK

Windows 7 64 bit Home SP1
 
 
Need to zap W7 and reinstall

I've got fundamental problems with my music software (Sonar) that other users and the company can't replicate. After days wasted trying for solutions I've decided the only route is completely clean reinstall of Windows 7.

I just tried a custom clean install from the disk, but now on switch on I'm given a choice between 'windows 7' and 'windows 7', the former taking me to a bare bones version (what I need really) and the second to my old fullblown setup that I want to lose. I've got my data on other drives so I'm happy to zap all this. How do I do I good old fashioned format and then a reinstall? I'm not computer savvy so I know I need to proceed carefully as the OS disk I think is part of a real hard drive.


My System SpecsSystem Spec
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20 May 2011   #2
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello.


After you have copied out or made back-ups of the data you need to save to external media, then boot the Windows 7 installation media to use Step One of this tutorial at the first link below to do a wipe (secure erase) to the entire Hard Disk Drive / Solid State Drive.

Whether you use diskpart to run either the clean all command to completely wipe a HDD / SSD or just the clean command to remove the format configuration data and don't use diskpart to create at least a single partition to do the installation to, letting the Windows installer do the format you will end up with the new Windows 7 System Reserved partition, if you want to make your own decision whether this partition is added, study these two (2) options below.
  • Then if you do not want to create the new Windows 7 "System Reserved" partition use the outline in Step Two #2 to create, format and mark Active a single 100GB partition to do the installation to.
  • If you do want to create the "System Reserved" partition use the outline in Step Two #3 to create, format and mark Active the System Reserved partition and then create and format the 100GB partition to do the installation to.
Either way, running the "clean all" then creating and formatting the partition(s) using diskpart will get you the best possible space to do a clean install of Windows 7 to; you can always extend the Windows partition to include the remaining unallocated space on the HDD / SSD or create additional Primary partitions or an Extended partition after the installation completes if you choose.

SSD / HDD : Optimize for Windows Reinstallation

DISKPART : At PC Startup

Do a Clean Install with a Upgrade Windows 7 Version
My System SpecsSystem Spec
20 May 2011   #3
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Try a full clean & full format in command prompt.
SSD / HDD : Optimize for Windows Reinstallation
My System SpecsSystem Spec
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20 May 2011   #4
gregrocker

 

You need to pay attention to where you install Win7, booting DVD then choosing Custom install, using Drive Options to delete all partitions before creating New one(s) as you wish, format before install.

Follow these steps which apply to get a perfect reinstall: Reinstalling Windows 7

If you want to simply remove the old Win7 now, boot into the new one and post a screenshot of your full DIsk Mgmt drive map with listings - using the Snipping Tool in Start Menu. Tell us what is on each partition.
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 Need to zap W7 and reinstall




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