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September 23rd, 2022 00:00

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XPS 15 7590, Memory Integrity on causes an inaccessible boot device

Hey all,

Just wanted to report a minor bug with a fresh install on Windows 11 22H2 on XPS 15 7590.

When trying to turn on Memory Integrity under Device Security / Core Isolation, upon next reboot i get a blue screen with Inaccessible Boot Device.

Yes, I'm using the latest Intel Chipset Drivers and XPS 15 7590 firmware.

Yes my Windows 11 is up to date.

expired on August 2, 2020. DELL-Admin>

3 Apprentice

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4.3K Posts

October 2nd, 2022 17:00

Have any of you looked at the report from msinfo32.exe to see if the Virtual settings look something like mine?  This is a Desktop, but available settings may be close.

ms32virtual.jpg

Community Manager

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54.2K Posts

October 3rd, 2022 05:00

This issue is being researched by Dell. When we know more, we will post.

October 4th, 2022 07:00

Just wanted to chime in that I'm experiencing the same exact issue.  I would try to enable WSL2 and when rebooting, I would get the same inaccessible boot drive error and would have to restore from a recovery point.  I've also mentioned this on Microsoft's forums with hope that it gains traction to get resolved.

33 Posts

October 6th, 2022 07:00

Same issue here while trying to upgrade to Win11 22H2.
Having WSL enabled and in use erroring the upgrade after reboot with a disk-error not found and reverting the upgrade back.

October 8th, 2022 06:00

This bug is not minor. Those of us that purchased an XPS 15 with the intent of moving to Windows 11 cannot. 

1 Message

October 9th, 2022 09:00

Prior to disabling Virtualization Direct I/O in BIOS, just suspend BitLocker using the 'Manage BitLocker' panel in Windows, it will temporarily disable bitlocker checks on boot. Bitlocker  gets re-enabled after restart.

1 Rookie

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3 Posts

October 10th, 2022 17:00

After disabling Virtualization Direct I/O the upgrade from Windows 10 finally worked.

Lucky I finally found this thread and didn't have to reset the laptop (XPS 7590).

October 12th, 2022 07:00

Is this Solved? any reply from Dell or Microsoft? 

33 Posts

October 12th, 2022 09:00

See posting on =

Core Isolation Memory Integrity, incompatibility

Seems to be an Intel/AMD issue for many more machines. We have to wait or use the workaround listed in that topic if you are able to untick Hyper-V and relevant parameters.

1 Message

October 14th, 2022 10:00

Although I am not sure, I believe this same issue is preventing me from installing WSL on windows 22h2. Each time i enable Virtual Machine Platform my machine will not boot and goes into repair mode.

16 Posts

October 15th, 2022 01:00

Just wanted to chime in and say i saw a new bios labeled 1.19 less than a few days old, however installing this makes no difference and the same "Inaccessible Boot Device" appears and stops booting.

33 Posts

October 15th, 2022 13:00

Can confirm BIOS 1.19.0 date release of October 12th doesn't solve this problem.

13 Posts

October 17th, 2022 21:00

Any news for Dell's teams? At least have the problem been identified?

106 Posts

October 22nd, 2022 00:00

I too have seen this issue on the XPS 15 7590 using a clean install of 22H2 with all the Windows Updates completed, as well as all the Dell Updates completed (Inc. the latest Bios 1.19.0)

I have also raised a new post for a XPS 15 7590  - when you install Hyper V inaccessible Boot Device also occurs. (This problem is very easy to repeat)

Link to post:

https://www.dell.com/community/XPS/XPS-15-7590-cannot-install-Hyper-V-on-Windows-22H2-causes/m-p/8289554#M103749

Perhaps the root of the problem is the same in both instances?

Kind regards,

M

1 Message

October 22nd, 2022 12:00

I'm so glad I found this post. I was starting to worry something was seriously wrong.

I can confirm the same details others have shared as I experienced the following on my wife's 7590:

1. Enabling Memory Integrity resulted in a BSOD with "inaccessible_boot_device".

2. Doing a clean install of Win11 was a bumpy experience with at least one BSOD and another error screen at one point during setup informing me there was no hard drive present. Through several reboots, I eventually got past these issues and Windows completed setup successfully.

3. The machine appears to be working correctly. For a while the device security page in Settings was very messed up (display issues, features not listed, etc.). This now appears to be corrected - probably due to a missing driver as I was in the process of getting all updates applied.

I don't like the idea of disabling VT-d as the BIOS says this will also disable other security features. I suppose I'll just wait for a fix and hope I don't need to do another clean install at that point to get all the security features enabled.

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