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Windows 7: Don't Know Why

30 Jul 2011   #1

Windows 7 home premium 64bit
 
 
Don't Know Why

I have a Seagate Barracuda 500gig drive that knocks my C (Western Digital Velociraptor 300gig)drive from Disk 0 to Disk 1. Originally the Seagate was my C but after getting my Velociraptor I changed.
I have run DISKPART-Clean[all] on the Seagate but it doesn't do any good, it still knocks C out. I have run DISKPART-select disk - list partition- active on C drive and then attached the Seagate. If I go to Administrative Tools\Computer Management\Disk Management, it will list C drive as 0 and the Seagate as Disk 1, but if I do a restart and check again the Seagate is listed as Disk 0 and C drive as Disk 1.
I have 3 other drives, 2 Western Digital and 1 is my DVD and I can do the same, install, check, restart, check and they don't touch the C drive only the Seagate.
Has anyone ever run into this before and if so how did you fix it?

My System SpecsSystem Spec
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30 Jul 2011   #2

Windows 7 home premium 64bit
 
 

Oops, I forgot to mention I'm running Windows 7 Home Premium with all updates
My System SpecsSystem Spec
31 Jul 2011   #3

Microsoft Windows 8.1 Professional
 
 

My System SpecsSystem Spec
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31 Jul 2011   #4
Microsoft MVP

W 7 64-bit Ultimate
 
 

Hello treadhead194, welcome to Seven Forums!


I have the same issues, it happens (for me) when I add / re-arrange HDDs after Windows 7 has been installed, I'm in the process of more work on this, I'll post back here if I get anything conclusive.
My System SpecsSystem Spec
31 Jul 2011   #5

Windows 7 home premium 64bit
 
 

I'm glad to see I'm not the only one having this kind of trouble. I also posted in the Seagate forums to see if someone there has seen the same problem. If I hear anything I'll post and let you know.
My System SpecsSystem Spec
31 Jul 2011   #6
Microsoft MVP

W 7 64-bit Ultimate
 
 

OK mate, I'll be around!
My System SpecsSystem Spec
31 Jul 2011   #7

Windows 7 home premium 64bit
 
 

Hey, Bare Foot Kid, do you have mixed disks or are they all the same? I have two external Western digitals for a total of 5 disks connected, yet the are not interfering with C. Now, maybe they have to be internal and not external to cause the problem. I'm going to shut down and install the internally and see what happens. Let you know how it goes.
My System SpecsSystem Spec
31 Jul 2011   #8
mjf

Windows 7x64 Home Premium SP1
 
 

My Disk 0 is on sata port 6 (3G) containing system reserved & the boot/OS partition.
My Port 1 is a 6G.
My BIOS HDD boot priority is port 6 first.

I'm aware of the MS link given earlier but does it really matter as long as your BIOS port boot priority is set correctly.
My System SpecsSystem Spec
31 Jul 2011   #9
Microsoft MVP

W 7 64-bit Ultimate
 
 

Quote   Quote: Originally Posted by Bare Foot Kid View Post
Quote   Quote: Originally Posted by Teerex View Post
I just found out that SATA disks can (virtually of course) switch positions when they feel like it and out of nowhere you end up booting from ''physical disk 1'' instead of 0. A reboot reversed the change. Google delivered this splendid consolation.

Mega-weird.
I've been saying this for a while but no one pays me any attention.

This is connected to the #1 SATA port of the mobo and set as the first boot device and it was the only HDD connected for the clean install.

Originally the "Movies" HDD was Disk 2 after the others were reconnected but that changed also at a later time.
click to enlarge

Have a look at this.
My System SpecsSystem Spec
31 Jul 2011   #10
mjf

Windows 7x64 Home Premium SP1
 
 

The MS KB article
The disk drive numbers may not correspond as expected to the SATA channel numbers when you set up Windows Vista, Windows Server 2008, Windows Server 2008 R2, or Windows 7 on a computer that has multiple SATA or RAID disks

states
"By default, the 100MB system partition is created on the disk that is detected as Disk 0. If you install Windows to a disk other than Disk 0, the 100MB system partition will still be created on Disk 0 during the installation."

Is it a separate System Reserved partition which is triggering the Disk 0 allocation?

BFK in your example you don't have a separate System reserved.
My System SpecsSystem Spec
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 Don't Know Why




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