Data Drive Partition - Inaccessible after installing W7 on new SSD

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I thought I was doing good by keeping my data on a second partition of my OS drive. That way if my OS crashed my data would be still in tack on the second volume. I mean as long as the hdd didn’t crash that is.

I installed a new SSD and begin to install Windows on it. I don’t remember exactly when, but it was during the setup of Windows. It said one of my drives needed to be checked for consistency or something. I noticed though, it was referring to my data drive. I tried to press X to stop it, so I wouldn’t have to wait on it, and I could deal with it later, but I missed it.
I noticed during the check, it was finding all kinds of problems, and a lot of recovering this and that. After Windows 7 was installed on the SSD, I noticed my data drive’s second partition showing as a local drive under My Computer. Clicking on it gave me the dreaded message, “Drive needs to be formatted”. The first partition of the data drive (that has my original Windows 7 on it) is fine and still accessible. It is just the second partition, which had all my data, is now inaccessible.

Computer Management shows it as a RAW Healthy Primary Partition.
Also I have scanned the hdd for errors, and it has none, so it's not bad blocks or that the drive is dying on me all of the sudden.

What would someone recommend I use to try and recover the data from this drive?

I am trying to understand why Windows felt it needed to scan my data drive during the installation of Windows. It was not even using or needing access to it to install Windows. Is this by design when Windows is installing, to check all HDDs installed? Usually when a hdd fails to boot or start Windows, it will then ask to perform a check on the hdd during the next boot, but that is for the OS drive, not a data drive, correct?

Thanks
Mike
 

My Computer My Computer

At a glance

Windows 7AMD Athlon 64 X2 Dual Core Processor 5000 2.6...4GBRadeon 3200
Computer Manufacturer/Model Number
Custom Built
OS
Windows 7
CPU
AMD Athlon 64 X2 Dual Core Processor 5000 2.6 Ghz
Motherboard
Gigabyte MA78GM
Memory
4GB
Graphics Card(s)
Radeon 3200
Sound Card
RealTek HD
Monitor(s) Displays
Samsung LCD
Hard Drives
1TB WD
600GB WD
320GB WD
320GB WD
I'd guess the best tool to try to recover a partition is Partition Wizard. There's a Windows version and a bootable disk version. I'd probably try the bootable disk.

Your first mistake was in not disconnecting the hard drive before you tried to install Windows to the SSD. That way, it wouldn't have been a factor and couldn't have been scanned. But I'm not sure why the scan occurred.
 

My Computer My Computer

At a glance

Windows 7 Home Premium SP1, 64-bitIntel Skylake i5-6600K, not overclocked8 GB HyperX DDR4-2666 (2 x 4 GB)none; graphics are integrated on CPU
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Ignatz Special; 4 speed manual gearbox; factory air conditioning; one of one
OS
Windows 7 Home Premium SP1, 64-bit
CPU
Intel Skylake i5-6600K, not overclocked
Motherboard
AsRock Z170M Extreme 4, micro ATX
Memory
8 GB HyperX DDR4-2666 (2 x 4 GB)
Graphics Card(s)
none; graphics are integrated on CPU
Sound Card
onboard: Realtek ALC1150; external: USB Behringer UF0-202
Monitor(s) Displays
Dell S2340M 23 inch IPS
Screen Resolution
1600 x 900
Hard Drives
System: Crucial MX100 series SSD, 128 GB;
Data: Samsung Spinpoint 103SJ, 1 TB;
Backup: WD Caviar Green WD30EZRX-00D8PB0, 3 TB
PSU
Rosewill SilentNight 500 watt fanless, semi-modular
Case
Antec Solo II
Cooling
Noctua NH-U12S; Noctua F12 intake, Noctua S12A exhaust
Keyboard
Microsoft 200 6JH-00001 USB
Mouse
Dell or Microsoft optical wired; USB
Antivirus
Microsoft Security Essentials and Malwarebytes Premium
Browser
Pale Moon
Other Info
All fans PWM; speeds at idle: CPU circa 500 rpm; intake circa 600 rpm; exhaust circa 600 rpm; CPU temps 27 idle and 47 C load in a warm room (27 C/81 F) when running Intel Extreme Tuning Utility stress test.
I agree, I should have disconnected the other drive.

I thought that maybe because the other drive still had the 100MB partition from the previous Windows might had something to do with why it was scanned. But then the SSD also had one that was written to it also.
 

My Computer My Computer

At a glance

Windows 7AMD Athlon 64 X2 Dual Core Processor 5000 2.6...4GBRadeon 3200
Computer Manufacturer/Model Number
Custom Built
OS
Windows 7
CPU
AMD Athlon 64 X2 Dual Core Processor 5000 2.6 Ghz
Motherboard
Gigabyte MA78GM
Memory
4GB
Graphics Card(s)
Radeon 3200
Sound Card
RealTek HD
Monitor(s) Displays
Samsung LCD
Hard Drives
1TB WD
600GB WD
320GB WD
320GB WD
I agree, I should have disconnected the other drive.

I thought that maybe because the other drive still had the 100MB partition from the previous Windows might had something to do with why it was scanned. But then the SSD also had one that was written to it also.

You're probably right that the 100 mb partition on the hard drive caused that scan.

Where do you stand now? SSD boots OK, but data partition on the old drive not seen and shown as RAW?

Post a screen shot of Windows Disk Management if you are still in trouble.
 

My Computer My Computer

At a glance

Windows 7 Home Premium SP1, 64-bitIntel Skylake i5-6600K, not overclocked8 GB HyperX DDR4-2666 (2 x 4 GB)none; graphics are integrated on CPU
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Ignatz Special; 4 speed manual gearbox; factory air conditioning; one of one
OS
Windows 7 Home Premium SP1, 64-bit
CPU
Intel Skylake i5-6600K, not overclocked
Motherboard
AsRock Z170M Extreme 4, micro ATX
Memory
8 GB HyperX DDR4-2666 (2 x 4 GB)
Graphics Card(s)
none; graphics are integrated on CPU
Sound Card
onboard: Realtek ALC1150; external: USB Behringer UF0-202
Monitor(s) Displays
Dell S2340M 23 inch IPS
Screen Resolution
1600 x 900
Hard Drives
System: Crucial MX100 series SSD, 128 GB;
Data: Samsung Spinpoint 103SJ, 1 TB;
Backup: WD Caviar Green WD30EZRX-00D8PB0, 3 TB
PSU
Rosewill SilentNight 500 watt fanless, semi-modular
Case
Antec Solo II
Cooling
Noctua NH-U12S; Noctua F12 intake, Noctua S12A exhaust
Keyboard
Microsoft 200 6JH-00001 USB
Mouse
Dell or Microsoft optical wired; USB
Antivirus
Microsoft Security Essentials and Malwarebytes Premium
Browser
Pale Moon
Other Info
All fans PWM; speeds at idle: CPU circa 500 rpm; intake circa 600 rpm; exhaust circa 600 rpm; CPU temps 27 idle and 47 C load in a warm room (27 C/81 F) when running Intel Extreme Tuning Utility stress test.
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