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jmndz asked on

False BSOD stop error 0X7B OXf7A0B524, Dell Tech supports Rec's. Restore

I have a Dell Dimension E520 that will not boot to Windows. The problem began after changing the Bios Drives option from the Default "RAID On" to "RAID auto detect/ATA".  After the change over the system will show the Windows Spash for a second the go to Blue Screen Stop Error 0x0000007B (0XF7A0b524, 0XC00000034, 0X00000000, 0X00000000).

Unfortunately I did not notice the pop up message when making the change that doing so may render the system inaccessible and may require a system restoration.  When changing the BIOS option back to the Default "RAID ON" setting there is a "Boot Device Not Found" screen displayed.

I checked Dell's and Microsoft's  knowledge bases and no solution was found.  As recommended by the Blue Screen I ran a chkdsk with both /F and /R options with no success.

After speaking with Dell Tech Support the conclusion was that System Restoration was the only solution.

Before Giving up I again Returned the BIOS option to the default "RAID ON" setting. When booting up I pressed F12 wich took me to the Chose Boot device screen instead of the "no boot device found" screen.  I selected the local hard drive and was prompted for the Administrator password.  After entering the password I was able to boot to Windows. So the system is still functional and accessible but only by going this route.

Does anyone know of a way to avoid doing a system restore on this machine?

thank you in advance...
Windows XPDesktopsStorage Hardware

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Adam Leinss

8/22/2022 - Mon
Adam Leinss

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Thanks for making me look aleinss, the solution was right under my nose!

As it turns out I must have accidentally elminated the installed drive as a boot option when I was adding the boot from CD drive option.  I had "local hard drive"  selected as option 1 but right next to it the BIOS states that it is not present!  Just below that device option was the actual hard drive identified by it's serial number only.  Once that was selected the problem was solved.
Adam Leinss

Sometimes it takes another set of eyes :)
I started with Experts Exchange in 2004 and it's been a mainstay of my professional computing life since. It helped me launch a career as a programmer / Oracle data analyst
William Peck