
PC boot - exits with 7B bsod, BadDriver error (Resolved)

Best Answer SleepyDude , 19 February 2021 - 12:01 PM
Hi, Just a heads-up, the error 7B can occur if a change was made on the BIOS configuration for the Hard Disk controller from IDE -> ACHI or the contrary! The mode selected on the BIOS... Go to the full post »
#1
Posted 19 February 2021 - 07:24 AM

#2
Posted 19 February 2021 - 10:25 AM

Can you start in Safe Mode
#3
Posted 19 February 2021 - 10:41 AM

Hi and thanks for your quick reply!
No safe mode - system BSODs while classpnp.sys is on the bottom of the scrolling lines of loading drivers. Can only access the recovery environment by booting with the windows CD. Hard disk passed all integrity tests and fdisk corrected a few minor inconsistencies.
#4
Posted 19 February 2021 - 10:46 AM

Another thing - I saw the 07b BSOD error by disabling the automatic reboot and that is as close as I got to the desktop... Read about all I could find about that error and the BadDriver errors that I could find.
#5
Posted 19 February 2021 - 11:07 AM

Windows is either corrupt beyond repair or the drive has issue.
Is there any data on the drive that you need to try and back up.
Do you have a Windows 7 DVD installation disk or USB thumbdrive..
Is this a desktop or notebook.
Do you have assess to another computer, internet connection and USB thumbdrives.
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#6
Posted 19 February 2021 - 11:18 AM

Thanks again for your reply. I have been using the installation disk to get to the recovery tools and there is no problem backing up the data. I doubt that the disk is the problem as it has passed all the integrity tests. The situation that keeps me from advancing the troubleshooting is that there is an apparent pending repair which keeps me from using SFC but I am unable to cancel the pending repair which never takes place. Catch 22 situation.
#7
Posted 19 February 2021 - 11:32 AM

Can you be sure to answer all questions that are asked
Is this a desktop or notebook.
Do you have assess to another computer, internet connection and USB thumbdrives.
What are the integrity tests to which you refer,
Is your Windows 7 DVD a genuine Microsoft disk, a back up that was created of the original install or is it something else.
I strongly suggest that you back up your data at the earliest convenience.
#8
Posted 19 February 2021 - 11:42 AM

Sorry - desktop
#9
Posted 19 February 2021 - 11:47 AM

Sorry but you are making this difficult, there are four questions in my reply #7 yet you answered only one
#10
Posted 19 February 2021 - 12:01 PM

Hi,
Just a heads-up, the error 7B can occur if a change was made on the BIOS configuration for the Hard Disk controller from IDE -> ACHI or the contrary!
The mode selected on the BIOS must match what was set at install time of Windows if not it will generate a BSOD with code 7b!
#11
Posted 19 February 2021 - 12:09 PM

Yup, thanks, will double-check
#12
Posted 19 February 2021 - 12:44 PM

Sleepy - god bless you! Settings reverted to IDE for some reason! ALL IS WELL!
#13
Posted 19 February 2021 - 12:57 PM

I found that problem frequently... when the HDD passes the tests usually this is the problem.
#14
Posted 19 February 2021 - 12:59 PM

Good shout SleepyDude
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