Memory check?

Tied to run "mdsched.exe", get to "restart now to check for problems",
restarts to DOS type screen with "File:\EFI\Microsoft\Boot\memtest.efi
missing or corrupt, use DVD to repair".
Booting from DVD doesn't give me repair as an option, only reinstall. Used
Memtest86 and RAM's OK but wondering why Win 10 memory check doesn't work
and why it won't let me do a repair.
It's an Acer laptop, clean install Win 10 using ISO from MS, Version 1511
(OS Build 10586.36), chipset, graphics etc. drivers up to date..

Kenny


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Kenny Cargill wrote:
Tied to run "mdsched.exe", get to "restart now to check for problems",
restarts to DOS type screen with "File:\EFI\Microsoft\Boot\memtest.efi
missing or corrupt, use DVD to repair".
Booting from DVD doesn't give me repair as an option, only reinstall.
Used Memtest86 and RAM's OK but wondering why Win 10 memory check
doesn't work and why it won't let me do a repair.
It's an Acer laptop, clean install Win 10 using ISO from MS, Version
1511 (OS Build 10586.36), chipset, graphics etc. drivers up to date..

Kenny

You can find various articles on BCDEDIT.

https://technet.microsoft.com/en-us/.../dn336950.aspx

The configuration is stored in the BCD file. And just
executing bcdedit can dump the configuration details.

The part I don't understand, is where exactly is

\EFI\Microsoft\Boot\memtest.efi

Is that a BIOS chip file store, or is it on
a hard disk partition ? In the article
above there is a reference to \Boot\memtest.exe
and that would be on the System Reserved
partition (or in the \boot folder of C:
if you moved the contents of System Reserved
onto C: instead).

You can certainly use memtest86+ (memtest.org) as
a substitute, so your options are still open. But it
would be nice to have all the pointers in your BCD
working properly.

You can see a Startup Repair option here. But I don't
know if that will fix every possible situation. If the
current setup cannot find memtest.efi, it's quite possible
the Startup Repair won't find it either.

http://www.tenforums.com/tutorials/2...dows-10-a.html

The options are never-ending.

http://www.tenforums.com/tutorials/5...lure-boot.html

If this was my problem, I'd want to understand first
why memtest.efi cannot be found, before doing anything
else.

It says here, if you had an EFI partition as such,
it would be using a FAT file system. And since I don't
have any GPT-partitioned disk setups here, I won't
have an example of one of these here.

https://en.wikipedia.org/wiki/EFI_System_partition

Paul

I've got memtest.efi.mui, it has a double extension, in the normally hidden
32bit EFI partition. I initially clean installed Win 10 on a normal HDD
then used Samsung software to transfer it to an SSD. I suspect problem has
something to do with the way the original HDD was partitioned by Acer.
Maybe formatting the SSD making sure I get rid of hidden partitions as well
then reinstalling Win 10 may fix it but since it's working OK otherwise I'll
leave it for now. It could also be a flaw with the Samsung Data Migration
program.

Kenny

"Paul" wrote in message ...

Kenny Cargill wrote:
Tied to run "mdsched.exe", get to "restart now to check for problems",
restarts to DOS type screen with "File:\EFI\Microsoft\Boot\memtest.efi
missing or corrupt, use DVD to repair".
Booting from DVD doesn't give me repair as an option, only reinstall.
Used Memtest86 and RAM's OK but wondering why Win 10 memory check doesn't
work and why it won't let me do a repair.
It's an Acer laptop, clean install Win 10 using ISO from MS, Version 1511
(OS Build 10586.36), chipset, graphics etc. drivers up to date..

Kenny

You can find various articles on BCDEDIT.

https://technet.microsoft.com/en-us/.../dn336950.aspx

The configuration is stored in the BCD file. And just
executing bcdedit can dump the configuration details.

The part I don't understand, is where exactly is

\EFI\Microsoft\Boot\memtest.efi

Is that a BIOS chip file store, or is it on
a hard disk partition ? In the article
above there is a reference to \Boot\memtest.exe
and that would be on the System Reserved
partition (or in the \boot folder of C:
if you moved the contents of System Reserved
onto C: instead).

You can certainly use memtest86+ (memtest.org) as
a substitute, so your options are still open. But it
would be nice to have all the pointers in your BCD
working properly.

You can see a Startup Repair option here. But I don't
know if that will fix every possible situation. If the
current setup cannot find memtest.efi, it's quite possible
the Startup Repair won't find it either.

http://www.tenforums.com/tutorials/2...dows-10-a.html

The options are never-ending.

http://www.tenforums.com/tutorials/5...lure-boot.html

If this was my problem, I'd want to understand first
why memtest.efi cannot be found, before doing anything
else.

It says here, if you had an EFI partition as such,
it would be using a FAT file system. And since I don't
have any GPT-partitioned disk setups here, I won't
have an example of one of these here.

https://en.wikipedia.org/wiki/EFI_System_partition

Paul


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