Windows 10: Possible Boot Loader Corruption

I have a Dual Boot Windows 10 Desktop (or did have) with one hard drive.
The primary partition is Windows 10 - 1 (C) and the scondary partiton is Windows 10 - 2 (E).

I booted normally this morning and ran disk cleaning and defrag software which is normal.

Earlier I wanted to do a restart and boot from my secondary partition. The Boot Menu had lost the Icons (Metro)
and offered Windows 10 - 1 and Windows 7. I decided to attempt a boot from the Windows 7 only to find that it failed complaining about being unable to find an EFI boot file in System32.

My primary partition stills boots. From that partition I can see Drive E (secondary partition) and files therein.

Any help to get back to the staus quo would be appreciated.

Norman

:)

 

Windows 10 for dual-boot systems

If you use Windows' boot loader, it probably won't break. If you use Linux' boot loader, it possibly will. I'm only basing this on experiences with earlier OSes though, so I hope someone more in the know can supplement or correct this information.

 

Reset master boot record and fix windows 10 shutdown problem.

I have windows 10 and kali linux with linux boot loader. In which I was able to choose between windows 10 and kali. Recently I have installed zorin os. It has rebuild the master boot record. In which kali linux is Missing. after installing zorin os on my pc
my windows 10 have a problem with shutdown. When I press shutdown button, it shows "windows is shuting down". after some time (10 to 20 seconds) it just turn off the display and again after some time (1 to 5 seconds) it,s login screen appear in screen. I have
a 1TB HDD. In which I have many on my HDD.
Here is a pic of Hdd partitions.

I want to remove kali and zorin os. But the problem is windows native master boot is removed by zorin os (mbr is rebuilded by zorin os). Is it possible to restore the boot loader to windows native {here native means windows own. there are a software which can
restore the boot loader. but not with windows own boot loader. It restore with its own( softwear,s own. that means custom.) boot loader. wich looks like windows boot loader.} boot loader.

I also wan to fix the shutdown problem.

Sorry for typing mistakes and brackets .

 

Open a Command Prompt with administrator privileges [Command Prompt (Admin) and run the following commands:

bcdboot E:\Windows
bcdboot C:\Windows
exit

 

Hi NavyLCDR.

It was a long night (morning). Being desperate I tried to proceed last night (overnight) and have more or less recovered. However, during the very last boot I noticed a number of options in the Boot Menu which included:

a) Boot from DVD
b) Boot from Network
c) Another that I have forgotten

There was of course the two Windows 10 options. I can see via BCDedit that there are some entries that no doubt account for this. I need to safely remove them.

Norman

 

Hi.

With careful use of BCDedit commands such as /delete {id}, /set description "Name", /set bootmenupolicy standard, I have got to where I wanted to be.

So, I have Metro Boot options of:

Windows 10 First (C partition)
Windows 10 Second (E partition)

Norman

 

Please provide more information about the exact sequence of bcdedit commands you used to fix your problem. Then, if you mark this thread as solved, you'll be able to benefit other readers who may run into a similar problem in the future. TIA!
--Ed--

 

Now in a very bad place. Booted from my primary partition and changed the CD/DVD drive letter to F.
Cannot boot from either partition. Do not have Windows 10 media as it came pre-installed.
*Mad

 

1) Find a flash drive that you can format ( > or = 8 GB)
2) Create a bootable windows 10 iso
Download Windows 10
3) Insert the windows 10 iso into any USB port
4) Power on the computer and click the applicable keyboard key:
List of PC brands with their corresponding hot-keys
5) If it a custom computer then temporarily change the BIOS boot order so that the USB drive is on top
6) Select external USB hard drive
7) It may take 5 - 10 minutes for the iso to load while viewing the Microsoft Windows icon
8) Select language, time, currency, and keyboard or click next
9) Click troubleshoot
10) Click system restore
Start with the oldest restore point and keep repeating until you complete the newest restore point.
If all restore points fail or if there are no restore points advance to the next step
11) Click startup repair
If startup repair fails advance to the next step

For all of the command prompt steps please use a camera or smart phone camera to take pictures and post images into the thread. If there are any problems posting images please use one drive, drop box, or google share links.
12) Click command prompt > Administrator X:\Windows\System32\cmd.exe > X:\Sources> type:
13) c:
14) dir
15) d:
16) dir
17) e:
18) dir
19) f:
20) dir
21) bcdedit /enum
22) bcdedit | find "osdevice"
23) diskpart
24) list disk
25) list volume
26) select disk 0
27) list partition
28) select partition 1
29) detail partition
30) select partition 2
31) detail partition
32) select partition 3
33) detail partition
34) select partition 4
35) detail partition
36) if there are any more partitions on disk 0 please continue in a similar fashion
37) select disk 1
38) list partition
39) exit
40) bootrec /fixmbr
41) bootrec /fixboot
42) bootrec /scanos
43) bootrec /rebuildbcd
44) chkdsk /r c:
45) reboot
The chkdsk command may take many hours and typically displays an ETA in the Windows RE

Please use a camera or smart phone camera to take pictures and post images into the thread. There are additinal steps based on the results to the above commands.

 

Hi zbook. Thanks for your reply. Sadly, if I had to follow your suggested route to fix the problem, I would have been in deep trouble. No Restore Points, Had Problems on the Mini Desktop with attempting to Boot from an ISO USB Drive. Believe it is something to do with Secure Boot.

I decided that my salvation was to use my ailing (overheating) Laptop to create a Windows 10 ISO DVD. Having switch the Laptop on and left it unattended once I had logged in, it started a massive update. It has not been switched on for quite some time. Not sure when the update will finish but it is getting close.

Ultimately, my salvation was to Boot a WinPE DVD that I created when I had a working Desktop. I got myself into a Command Prompt (X*Smile and persevered with Diskpart and BCDedit. Now back to a Windows 10 Dual Boot PC with Metro Boot Menu.

*chuckle

 

Using an optical drive was an option.
In the BIOS is there a menu to temporarily turn off secure boot so that you could use a flash drive?

 

Yes there is a BIOS option which allows you to turn off secure boot.
I got involved with this last year as I was attempting to intall Windows 7 to dual boot with Windows 10.
One of the requirements was to turn off secure boot.
I got some superb help from NavyLCDR with the Windows 7 installation.

Norman

 

Ed, I cannot, even the day after, remember all the things I tried. If I ever get my Desktop fixed then I will look at trying to produce a tutuorial but I feel there are many members who have infinitely greater skills than I.

Will close this thread and start a new one which is a different issue but associated with my original problem.

Norman