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Reinstalling windows and hdd not detected during installation

  • Hard Drives
  • CMOS
  • Windows 7
Last response: in Windows 7
January 23, 2012 3:29:52 AM

Just today, I decided to reset the BIOS to default settings by resetting the CMOS. I used a metal screwdriver to touch the two cmos pins on the motherboard. The problem is, the computer WAS turned off BUT I forgot to pull the plug out of the power supply before resetting the cmos which is what caused the problems. It ended up booting the computer so I waited for it to load and when it got to the screen that said loading operating system underneath it it said missing operating system. I've researched this and checked my bios settings to make sure the hdd was the first boot priority choice and it was.

After a few failed tries to get it to work, I was almost convinced my hdd's were fried. I tried re-installing windows 7 by booting to the dvd first, but during installation, when i got to the box that makes me choose my hdd no hdd's were listed. I brought up the command prompt to do a chkdsk and I got the message "This drive is in raw format". After that, I turned the pc off, unplugged the power cord, and took the hdd's out. I reformatted them by connecting them to a startech device and connecting that to my laptop (which is not the tower the drives were originally connected to).

After reformatting to ntfs, I ran chkdsk /f/r on both my hdd's. After this, I'm convinced that my hdd's aren't fried otherwise the device wouldn't have picked them up in the first place. I thought they'd be good to go after the chkdsk ran on both of them but i'm having the same problems trying to re-install windows 7. The only progress now is, I can actually run chkdsk with the drives back in my tower which i'm doing right now.

In the dialog box, it said something about loading drivers? I thought the computer would pick up the hdd's anyway because i've re-installed win7 before and never had these issues. So what's your suggestions? Am I going to have to find the drivers for the hdd's and install them before reinstalling win7?

More about : reinstalling windows hdd detected installation

January 23, 2012 4:49:26 AM

Chkdsk finished and I noticed at the bottom it said "failed to transfer logged messages to the event log with status 50" This is getting worse :( 

Best solution

January 23, 2012 5:04:26 AM

1) Try different SATA ports
2) Pull your laptop HDD and see if your PC finds that
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January 23, 2012 6:30:45 AM

I just fixed the problem. During re-install windows wasn't displaying my hard drive. I shut the computer off, turned it back on, and checked the raid settings in the bios. It was set at IDE instead of raid so I changed that and saved and exited. The configuration utility page now showed both hdd's and under bootable it said yes instead of no so i was relieved. However, when I got back to the windows install page it wasn't showing my hard drive. I shut off the computer again, Switched the sata ports and turned it back on. That didn't help. I shut it off again, turned it back on, went into the configuration utility, and deleted than recreated my raid volumes. Once that was done, I booted off the dvd rom again and this time windows identified my hdd's. Win7 is now installing as i'm typing this. This was a frustrating experience but if anyone ever has the same problems I had than I recommend deleting than creating your raid volumes.

Sorry for leaving certain info out. I was trying a lot of different troubleshooting methods and I don't remember everything I did but like I said, I finally fixed the problem.
January 23, 2012 6:37:34 AM

Best answer selected by mdkinney83.
a b $ Windows 7
January 23, 2012 6:45:37 AM

This topic has been closed by Nikorr