Can’t reinstall windows 7, suddenly always bugchecking upon the second phase with 0x7b (0xFFFFF880009A97E8, 0xFFFFFFFFC0000034, 0x0, 0x0)

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VaniTS

VaniTS

PCHF Member
Jul 27, 2024
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I'm trying to reinstall windows 7 but am suddenly unable to get past the second restart due to it dying with an error code and parameters of 0x7b (0xFFFFF880009A97E8, 0xFFFFFFFFC0000034, 0x0, 0x0). I've gotten no help from anywhere else because they all use SATA drives instead of the NVME that I'm currently installing it on. How do I solve this error and not have my money wasted by buying a product key for this install? It has NVME drivers already loaded so it should be able to install it on the drive but for some reason it always bugchecks?
 
The STOP error code 0x0000007B, also known as INACCESSIBLE_BOOT_DEVICE, indicates that Windows has lost access to the system partition during the boot process.

  • Look for settings related to SATA configuration. If your hard drive was previously set to IDE mode and you have changed it to AHCI (or vice versa), this could cause the error.
  • Change the SATA mode back to what it was before (IDE or AHCI) and save changes.

community.acer.com

How to change SATA mode to AHCI - Acer Community

How can I change my Acer notebook from SATA mode to AHCI? By default, the SATA Mode on Acer notebooks is set to RST with Optane. The option to switch to AHCI is hidden by default, because switching to AHCI may result in the system not being able to boot to Windows. If SATA Mode is not visible in...
community.acer.com community.acer.com
 
xrobwx71 said:
learn.microsoft.com

Bug Check 0x7B INACCESSIBLE_BOOT_DEVICE - Windows drivers

Learn how the INACCESSIBLE_BOOT_DEVICE bug check indicates that the Microsoft Windows operating system has lost access to the system partition during startup.
learn.microsoft.com

It could be a bad drive.


Why would you need to buy a product key if you are RE-installing?
Click to expand...
Before I reinstalled, the OS wasn't activated and was an entirely different edition of windows 7. I don't think the drive is bad either because the windows 10 partition works perfectly fine.
 
Malnutrition said:
The STOP error code 0x0000007B, also known as INACCESSIBLE_BOOT_DEVICE, indicates that Windows has lost access to the system partition during the boot process.

  • Look for settings related to SATA configuration. If your hard drive was previously set to IDE mode and you have changed it to AHCI (or vice versa), this could cause the error.
  • Change the SATA mode back to what it was before (IDE or AHCI) and save changes.

community.acer.com

How to change SATA mode to AHCI - Acer Community

How can I change my Acer notebook from SATA mode to AHCI? By default, the SATA Mode on Acer notebooks is set to RST with Optane. The option to switch to AHCI is hidden by default, because switching to AHCI may result in the system not being able to boot to Windows. If SATA Mode is not visible in...
community.acer.com community.acer.com
Click to expand...
This is for SATA drives, not NVME drives.
 
VaniTS said:
This is for SATA drives, not NVME drives.
Click to expand...


Yes, I did not post instructions for NVME drives. Have you checked n your bios whether you are on IDE or AHCI and changed the setting?
 
Don’t have the option in my bios to see if it’s IDE or AHCI, nor the ability to change it.
 
xrobwx71 said:
We need ALL of this information if we are going to be able to help. Multiple partitions with multiple OS's on the same drive? None of which are activated?
Click to expand...
I don't see how that would matter, considering how the other partition is an entirely different OS, The Windows 10 install is activated, however I wish to get rid of it with the windows 7 install. They're all on the same drive.
 
What mode is the bios in?

Raid? Are there any options to switch out of raid mode?
 
You may also need to slipstream raid drivers into the window seven iso...

winraid.level1techs.com

[Guide] Integration of drivers into a Win7-11 Image

@ all users, who want to install Win7, Win8.1 or Win10/11: Introduction: When you are going to do a fresh OS install, it is a good idea to customize the original OS image by integrating the things you need or like to use (special drivers, additional hotfixes, features etc). This way you will...
winraid.level1techs.com winraid.level1techs.com
 
Last edited:
Malnutrition said:
You may also need to slipstream raid drivers into the window seven iso...

winraid.level1techs.com

[Guide] Integration of drivers into a Win7-11 Image

@ all users, who want to install Win7, Win8.1 or Win10/11: Introduction: When you are going to do a fresh OS install, it is a good idea to customize the original OS image by integrating the things you need or like to use (special drivers, additional hotfixes, features etc). This way you will...
winraid.level1techs.com winraid.level1techs.com
Click to expand...
The 7updater thing I used should've slipstreamed those drivers in by itself.
 
PeterOz said:
It does matter. It is a boot sequence issue.
Is this a laptop? if yes make and model number + serial number.
If not a laptop make and model of MB
Click to expand...
Not a laptop, can't see model number or make of PC anywhere.
 
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