How to clean up BCD entries? Rebuild the BCD?

I have a number of bogus entries in BCD.
Plus I cloned my primary Win10-1903 SSD to create a multiboot system, ran EasyBCD and that's what added all these fake entries. On top of that, it sometimes has trouble booting, I have to hit Cntrl-Alt-Delete to restart the boot process.

I think something is corrupt in the BCD, or all these bad entries among good ones.

I want to try this, can someone explain what exactly it does.


bootrec /rebuildbcd

Will this remove all the bogus entries? Once I hit F11 on this MSI laptop, I see all the BCD entires and most of them are bogus.

bootrec /rebuildbcd

Is this the tool to use to delete them all and start anew?

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For example this is one of the entries that I see if I hit F11 during the boot cycle, it shows all the bootable entires. This one for example does not lead anywhere, this is a bogus entry:



if I select it, I get this:

You can delete the boot entries from System Configuration type Msconfig into Start Menu and From Boot tab delete bad entries.

This is the problem, they don't appear in msconfig.



nor do they appear in EasyBCD:





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They do appear in EasyUEFI but not sure which ones are good and which ones are bogus:






then there is VisualBCD that's even more confusing:

Since the BCD store exists and lists a Windows installation, you'll first have to "remove" it manually and then try to rebuild it again.

Please boot your computer with Windows Setup Media and from Windows Recovery Environment start the Command Prompt.

At the Command Prompt, type below command as shown and then press Enter:

Code:

C:

At the Command Prompt, type below command as shown and then press Enter:

Code:

bcdedit /export C:\bcdbackup

The bcdedit command is used here to export the BCD store as a file: bcdbackup. There's no need to specify a file extension.

The command should return the following on screen:
The operation completed successfully.

Meaning the BCD export worked as expected.


At this point, you need to adjust several file attributes for the BCD store so you can manipulate it. At the prompt, execute the attrib commands exactly like this:

Code:

attrib c:\boot\bcd -h -r -s

What you just did with the attrib command was remove the hidden, read-only, and system attributes from the file bcd. Those attributes restricted the actions you could take on the file. Now that they're gone, you can manipulate the file more freely - specifically, rename it.

To rename the BCD store, execute the ren command as shown:

Code:

ren C:\boot\bcd   bcd.old

Now that the BCD store is renamed, you should now be able to successfully rebuild it.

Try rebuilding the BCD again by executing the following, followed by Enter:

Code:

bootrec /scanos
bootrec /rebuildbcd

Restart your computer after rebuilding the BCD store.

I will try these tonight, thank you.