Windows 7: Clean Install On A 2-partition Drive - Data Loss?

Oct 26, 2011

I currently have a 500GB SATA drive with 2 partitions, C: has Vista Ultimate in it and most of my (Really Important) data is in D:- I do not have an external drive with enough space to back up both partitions, only C: -- If I install Windows 7 on C:, will I also lose all the data in D: (Partition 2)?I want to be 100% sure I won't end up with data loss on D: if I do a clean install on C:

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Clean Windows 7 Install To Ssd: Avoiding 100mb Loss

Dec 24, 2011

finally getting around to my first win 7 install on my new 120 gb mushkin chronos deluxe.I am using tweakhounds win 7 install guide found here: TweakHound - Installing Windows 7 particullary, I am trying to avoid the 100 mb loss:

Quote: Code: *Avoiding the 200MB partition: Folks have discovered that on an unpartitioned drive Windows 7 will create a 200MB system partition. This is easily avoided by creating a partition before attempting to install Windows 7 (see above). (for some this partition will be 100MB)**Exception for SSD drives to avoid the 200MB partition and partition / format the drive.Partitioning is a little different for SSD (Solid State Drives). This is because of something called NTFS partition alignment. Basically this refers to where on the drive the partition starts. Vista and 7 will create a single partition optimally for SSD's. XP and most program boot disks will not. If possible you should partition the disk under an already installed Windows 7 or Windows Vista machine and then proceed with the usual installation steps. If not then this is the way to do it:

Windows 7 Installation Advanced Drive Formatting

1 - Boot up from the Windows 7 installation disc.

2 - Choose Repair your computer.

3 - In the System Recovery Options screen, choose Use recovery tools... and click Next.

4 - Open the Command Prompt.

5 - Type diskpart and hit Enter.

6 - Type list disk . Find the disk you wish to install Windows 7 on. If you only have one disk then it will show as disk 0. If you have multiple disks find the drive you wish to install 7 on.

7 - Type select disk 0 (or use the number of the disk you wish to install Windows 7 on)(note - that is a zero)

8 - Type list partition. There shouldn't be any.

9 - Type create partition primary.

10- Type select partition 1.

11- Type active.

12- Type format quick.

13- When finished reboot and begin your installation.

( DiskPart Command-Line Options ) After reboot, the ssd shows as having 100 mb used and is listed as a system drive.

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Jul 5, 2012

My desktop pc crashed, and after some investigation it turns out that the main hard drive is probably dead... So I thought I would install Windows 7 onto my portable terabyte. Anyway when I tried to install Windows 7 onto my hard drive, I realised 2 things:

- Windows will clear my TB HD when it installs.
and
- Windows cannot install onto a USB device.

I need to install windows 7 on my portable hard drive without removing any data on it. I have tried to partition my hard drive with easyus as a friend recomended, but it says I need to convert it to a logical, and I cant do that because it says something about clearing the HD.

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Oct 27, 2009

I have download windows 7, backed up all my drivers and copied all my important info onto my external Hard drive and am about to try and clean install windows 7.

But do i have to partition the hard drive? My Dell laptop has a 110GB hard drive which came already partitioned. 10GB is called 'Recovery', do i need to do the same and make a larger partition and install Windows 7 or just leave it as it is?

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Mar 10, 2012

i own 2 HDD's one for installation and a media drive. Last time i reinstalled i had huge issues gaining permissions to my media and ended up deleting about 600gb of data. After recently trying out windows 8 i was stupid enough not to data my data and thought win8 would install onto a partition i made for it. I recovered my windows 7, but encountering lots of problems, so i think its time for a clean install. Is there a way to keep my permissions on my media drive for my new install? I don't have an external drive.

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Aug 30, 2009

when Windows 7 comes out retail I want to install it. do not want to have to manually install every program n file currently on my vista 64 bit system. what is a good way to save my current setup so I can just reinstall it to the new Windows 7 system? I have an external HD 500gb I can use. searched the files here for information perhaps i am not using the correct search terms n phrases.

I know before I back up current vista I need to purge it n slim down the files n programs lol.

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Sep 13, 2010

how to install 7 Ultimate without losing data or apps? I have 64 bit 7 Home Basic and just got my Ultimate DVD?

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Sep 11, 2012

I installed two new 120GB SSD drives into my system. Previously, I had two 1TB drives in a RAID 0. After doing a performance test to see if there was a speed increase, I also bound the two new 120Gb SSDs into a NEW RAID 0.The idea was to use the new, faster array for windows, and whatever programs I am currently using, and then use the old array for storage. I could install windows on the new drives with So, I proceeded to install Windows 7 on the new array, leaving the old array alone. Installation went without a hitch. I looked at my new drive under My Computer- 1.98 TB. NOT the 240GB partition I just made, and NOT the 1.74 TB partition I used before the new drives.It, for some reason I cant fathom, combined all 4 drives, encompassing BOTH arrays, new and old HDD and SSD into one partition, and had installed windows OVER TOP OF ALL MY DATA.I dont know WHY this happened, but what do I do now to get my data back? I tried starting the computer without the new array, but it wont boot. I need my data back, and I need to get windows installed on the new array, the way I wanted.

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Clean 64bit Install In New PC But Still Access Old Vista32 Data?

Jun 22, 2012

i intend to do a clean install of Windows 7 64bit. i currently have vista32 on my primary 500gb hd. i want to move my data onto my secondary 320gb hd so that i can clean install on the 500gb ... but i still want to access the data on the 2nd (vista32) HD.i want to use the Windows 7 HD in a new pc i have built. so:

1. how best to move my data to the second HD so that it can be read by the primary?

2. will there be a problem reading the second HD in a new set up (mobo, cpu etc)?

3. should i format the 500gb and then put it in the new setup then do the clean install?3b. if i should do that - should i partition it first?

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Jan 11, 2013

I currently have a disc copy of windows 7 and I am currently running it as my main OS as well. I was wondering just in case my computer decides to have a few issues is there anyway I can make a data partition to store windows 7 or put it on a flash drive so that in the incident of a hardware failure I would be able to go into my bios and boot the recovery partition or boot it from a flash drive allowing me to reinstall the OS.

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May 15, 2009

I'm currently running the 7100 build and I'm wanting to install 7127 using a new partition.

Basically my idea was to create a new partition and install 7127 on that and then uninstall 7100 but keeping my files so I can move then across to the new partition. Thus having a clean install but without losing any files.

Is this possible? Will I be able to uninstall the 7100 without deleting my files?

Also can I change the size of the new partition after I have made it - in order to resemble the set up I have now (ie: 2x 250GB).

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Jan 3, 2012

before this i have post about my problem on installing Windows 7 on HP notebook. The error is 0x800057(partition Problem), i already got solve with the problem but after few month the problem came back and now i try t o clean format the notebook , using diskpart but still got same erro

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Sep 19, 2012

I had 32 bit Windows 7 home premium provided by OEM. Recently I purchased Windows 7 professional 64 bit in order to increase my memory.(My system is 64 bit capable) I followed [1]. I am using USB for installation. I booted the system with USB. Then at disk manager I deleted all the partitions(including recovery ) Then I refreshed and click next and I got an error saying setup unable to create system partition.

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Oct 25, 2009

I did a new build in Dec last year with Vista Ultimate on a WD 300 GB rapture drive. I partitioned the HD to 60 GB for the "C" drive thinking that I would not install "any" applications on the "C" drive. I would put the apps on the other partitions or another drive altogether. Games on the rapture drive, office productivity apps on another drive.

Apparently, some apps don't give the option to install anywhere else but the C drive. I can accept that but wish I had known that before partitioning.

I also created a "shared" folder on the desktop for moving large files from one networked PC to another. Well it didn't take long before the "C" drive was full. Raw Digital audio files are rather large and attempting to transfer files from one PC to the Vista Ult. PC choked the C drive.

In my next build I'm thinking it may be better to not partition the "C" drive at all. Give the operating system all 300 GB - room to breath for updates, etc.

Does anyone have any words of wisdom, thoughts, comments?

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Jul 26, 2010

Once you get to the Custom (Advanced) tab of Windows 7 clean install there are options to delete the partition, format, etc. Assuming I want to delete all of my partitions so that I have one large volume C: is it best to delete the partitions first and then format? Why would someone do one over the other (or both?) Right now I have a C: partition and a D:RECOVERY partition. I want to delete the D: partition and combine it to the C: partition.Don't they do the same thing? Why do you need to format after you delete a partition ? Do I also delete the C: partition and "re-create" it? What about the term "Unallocated Space"

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Dec 22, 2011

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Sep 5, 2011

if a partition drive is formatted by mistake how the data can be restored...

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Oct 21, 2009

On my home computer, I have 2 physical drives. One hard drive has a single partition (D:) and the other (newer) drive has two partitions (C: and E:). Unfortunately when I first purchased this computer, the technician mistakenly installed Windows XP onto my older hard drive (D:) rather than installing the OS onto the desired C: drive.

The main problem that I am having is: Can I perform a clean install of Windows 7 onto C: drive even though my current OS (Windows XP) is installed onto D: drive? P.S. I have already backed up all files that exist in all of my partitions and would like to format all of the drives (C, D, and E)

drive spaces: C: = 40gb D: 200gb E: 200g

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Oct 16, 2011

I have leptop first I want to recovery but I press format hard drive partition to result in full unlocation not left a single partition 465gb partition unlocation there are leptopku 500GB hard drive and I try to enter recovery dvd lg dvd but do not want the road containing the message dvd / cd rom # 1 not complete, and I also had to replace the windows wishful dream but apparently there is an error code: 0x80070057

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Feb 2, 2013

I use a Macbook for my personal use usually, but when I turned on my PC after not using it for a couple of months, all of my user information is gone: Documents, music, everything. The only thing is I don't think it's gone, I can't access my music using iTunes on that machine, but I can access it using Windows media player. If I try to open OneNote pages, I get nothing. I have run Spybot and AVG antivirus. It seems as though my user account information is being hidden. Other user accounts (my wife's and a guest account) are working just fine. I would prefer not to return to a restor point, as I don't even know when this was lost.

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Feb 28, 2011

My XP system died and I want to migrate my two RAID 0 drives (with data, incl XP) to my new Windows 7 PRO system. Does anyone know how to do this? If I set the BIOS to RAID instead of ACHI, 7 PRO recognizes and reports that the Promise Raid 0 Array is synchronizing. But, the system will only boot to a DVD repair disk, and not to the single hard drive.

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Oct 16, 2011

How I could partition my internal hdd without wiping all data from it, and then sharing the partitioned drive within my home network. Also, I was wondering how I could tell what drive letters are already assigned to my laptop's usb ports.

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Converting A Dynamic Disk To Basic Without Data Loss

Sep 11, 2011

[FONT=verdana, geneva, lucida, 'lucida grande', arial, helvetica, sans-serif]I initially had 1 500gb dynamic disk, with one partition containing all my documents and windows files. I created a partition in the free space to copy my documents into so I could overwrite Windows keeping my documents intact. However I did not have enough free space for all my documents so after copying over one batch of files I shrunk the windows partition and extended my document partition. I had to repeat this again so I now have three extended document partitions.[/FONT] I then put in the windows CD, formatted the OS Recovery, SYSTEM Reserved and Windows parititions but then was unable to install Windows as it did not recognise any disks. I attempted FixMBR etc but to no avail.

I searched around and saw i may be able to change the sector hex from 42 (dynamic) to 07 (basic), but im wondering whether doing so will preserve the extended partitions i have? So my question is, will changing 42 to 07 preserve the extended partitions. Do I need to repeat for each 42 (like the link you posted) and then the three dynamic extended partitions will then become one basic partition? At the moment I can not actually see the data so have no idea how to back it up? Otherwise I would do as you say and back it up, format and copy back over.

[URL]

DISKPART: Acronis Disk Director (see documents spanned)

Active unDelete (again, three partitions)

HxD (showing 42)

So, basically im asking if i am safe to convert 42 to 07 WITHOUT losing any data?

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Converting A Dynamic Disk To Basic Without Data Loss

Sep 11, 2011

I have a 500GB dynamic hard drive which had a Windows 7 install on it. I wanted to reinstall Windows, so from within Windows setup I formatted the system and Windows partition, leaving a partition containing documents and pictures (i was unable to delete them). From then, Windows seemed unable to recognise the disk so i searched in DISKPART and found that the disk was labelled as INVALID.

After Googling around it looks as though i can simply change the 1C02 in the hex from 42 to 07 - however, my only concern was that the documents i have on this drive are spanned across three adjacent (dynamic?) partitions - so i am concerned that by focing the disk to be basic i will lose the connection between these partitions. [URL]

DISKPART:

Acronis Disk Director (see documents spanned) Active unDelete (again, three partitions) HxD (showing 42) So, basically im asking if i am safe to convert 42 to 07 WITHOUT losing any data?

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Aug 23, 2012

I'm trying to do a clean reinstall, but I can't reformat the drive. I don't get very far, menu 'where do you want to install window', which is supposed to have a Format option, it doesn't!

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Mar 1, 2011

I recently did a clean install of Windows 7 pro (64 bit) over an XP pro (32 bit) with 2 HD. The install proceeded without any major "hiccups". After the install, I noticed that when I try to access files on the "D" drive --- my second, I get error messages stating "user does not have access". I have tried troubleshooting but to no avail. Really would like to access those files. Both drives "show" NTFS where they were both FAT32 prior to the new OS. I don't understand how I can access the files on the "C" drive but not on the "D" drive. The files that I would most like to access are *.doc and *.pdf.

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Mar 9, 2011

I bought an HP desktop about 2 years ago with vista 64 bit on it and it has been crappy ever since. I've had problems with programs not being recognized, things not installing at all when they should, and it freezing up for no good reason. Anyway, I went out and bought Windows 7 ultimate the full version. I saved the few files I have on a jump drive and I want to completely wipe out the hard drive and install windows 7 and start from scratch.

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Jan 4, 2013

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Apr 6, 2012

I purchased an Inspiron 15R today and wanted to do a clean install of Windows 7 right out of the box. I'm using a Windows 7 disk from another machine.I formatted the drive and all of it's partitions (recovery etc.) and installed the OS. After booting though I get sent to an error screen that tells me Windows had an error starting up and that I should choose a way to startup with the usual safe mode etc. No matter what I choose it sends me to this screen. So I booted from the disk again to attempt to format and reinstall, but now I have no disk drives to install to.

I have run a diagnostics check and nothing seems to be wrong, the HDD is still being recognized in the BIOS. What can I do to get my HDD back and showing up in the install destination options?

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Dec 17, 2011

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Jan 15, 2013

I had a power loss while running on battery (it still showed power left, but suddenly shut down anyway) and when I restart, it reports that the Windows is not activated and Window is not genuine and system might be a victim of "counterfeiting."

Is this a virus (I have MSE on continuously and about once a week scan with Malwarebytes)? I have run 'sfc /scannow' with filtered output ('findstr /c: "[SR]" c:.....logsCBSCBS.log" and it appears as usual.

How can I lose my Windows activation?

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