How to fix Boot sector issue Oxc000000f in Windows 11/10

In case you are encountering the Boot sector situation Oxc000000f in your Home windows PC and are looking for methods to repair it, learn this text until the tip. It is a fault in Home windows Boot Supervisor that stops the Working system from signing in.

The boot Sector performs an necessary function in loading the working system in Reminiscence. If one way or the other this part fails, BCD stops studying Boot Supervisor; In consequence, it results in Oxc000000f error.

What might trigger this error in Home windows 11/10?

Corrupt peripheral units related to the system can originate from this hassle, so take away them. In case, you did not handle the Boot sector situation Oxc000000f in your system, create a Media Creation instrument then apply fixes like Restore system recordsdata, BCD code, and Bootrec.exe instrument to come across this bug. Let’s discover these strategies in detail-

• Remove additional cables/ Hardware Device
• Repair your System using the Media creation tool
• Via bootrec.exe Tool
• Repair existing Boot Configuration Data
• Create an EFI Partition

Repair- Boot sector situation Oxc000000f in Home windows PC

Right here, we describe 5 alternative ways to unravel the Boot sector situation Oxc000000f in your Home windows 11/10 PC. They’re –

1. Take away extra cables/ {Hardware} System

The defective peripheral units plugged into your System might generate such an error. Therefore, it’s best to disconnect exterior units like USB, DVDs, or Reminiscence playing cards (besides keyboard and mouse) from their particular port and Reboot your PC once more. In case you might be nonetheless battling the above error code, attempt the subsequent workaround.

Be sure that to create a system restore level earlier than making use of any of the strategies talked about under.

2. Restore your System utilizing the Media creation instrument

If BCD error code Oxc000000f persists in your PC, the fault is perhaps within the system recordsdata and will be managed utilizing the Media creation instrument solely. Observe the under steps to create a media creation instrument –

Create set up media manually

Notice: You require two totally different PCs to finish these steps.

• First, go and obtain the Windows 10 Media Creation Tool on one other PC. Home windows 11 customers might visit this link to get the respective media creation instrument.
• After the obtain is accomplished, double-click on its setup file to start the method.
• If the UAC immediate seems up, faucet Sure to permit entry.
• Succeeding after, choose Version, language, Structure then press Subsequent to go forward.

• Now select a USB drive (not less than 4 GB) to retailer this file adopted by Subsequent.

• Flip Off the problematic pc and fasten Home windows set up media at its respective port.
• Press the Energy button to log into the system henceforth faucet constantly the operate keys like F2, F9, F10, Del, and so forth. (relying upon your system structure) to launch BIOS Settings.
• Right here, swap to the Boot Order part (use the Up and Down arrow keys) to pick out the First Boot System as DVD/USB.
• Press F10 (or advised key) to use the modifications then Reboot the system once more.

Notice: Ensure you have used the unique Home windows set up media in your system.

3. By way of bootrec.exe Device

The bootrec.exe is an in-built software for Home windows PC, that often works to rebuild the BCD (Boot Configuration Knowledge). This course of helps to handle recordsdata that will hinder Home windows startup, right here is the procedure-

• At first, connect Home windows set up media (DVD/USB) at its respective port and Reboot the system.
• On a Bootable display, press any key utilizing the keyboard to skip the immediate.
• On the next wizard, choose language, time, forex, and keyboard thereafter press Subsequent.
• Beneath the system setup web page, click on Restore your pc choice.
• Henceforth choose Troubleshoot adopted by Superior Choices on the subsequent display.

• Succeeding after, select Command Immediate from the bunch of things to let open this wizard.

• When the Command immediate opens up, kind Bootrec.exe then hit enter to start repairing BCD recordsdata.
• As soon as completed, Restart your PC usually in order to avoid wasting the modifications made thus far.

In some instances, Bootrec.exe doesn’t restore the defective BCD recordsdata. If that’s the case, you have to delete the earlier Boot Configuration Knowledge and rebuild it once more. To do that you have to apply these codes one after the other and hit Enter on the finish of every command.

bcdedit /export C:BCD_Backup
c:
cd boot
attrib bcd –s –h –r
ren c:bootbcd bcd.outdated
bootrec /RebuildBcd

I hope, it will undoubtedly resolve Boot Error code 0xc000000f and thus System begins working usually.

4. Restore present Boot Configuration Knowledge

If Boot configuration information is corrupt one way or the other, it could result in the Boot sector situation Oxc000000f. If that’s the case, create a separate Boot Configuration Knowledge file from scratch. To do that, first, conceal the current partition of BCD recordsdata then generate one other. Listed below are the steps to follow-

Imp: Earlier than continuing forward, ensure to create a Home windows 11/10 media creation instrument (USB/DVD) formatted with the FAT32 file system. The UEFI-based PC received’t establish an NTFS format USB drive as set up media.

• At first, insert Home windows set up media to its respective port and Restart your system.
• Concurrently press operate keys like F2, F9, Del, or Esc relying upon your pc’s structure to invoke BIOS Settings.

Notice: In case, you possibly can’t boot your system utilizing a related USB drive, it is perhaps attributable to CSM and Safe Boot choices set as Disabled in your Boot Supervisor.

• On the seen Boot gadget class, choose the particular USB to put in Home windows utilizing an exterior gadget.

• Moreover, maintain the Shift key and faucet F10 to start out the Command Immediate.
• Right here, kind diskpart on elevated Immediate adopted by the Enter key.
• Succeeding after, write the record disk close to the blinking cursor and press Enter once more.

It would show the entire Storage disks which might be connected to the system.

• Henceforth, kind choose disk 0 and faucet Enter, select your disk.
• Once more, write record vol adopted by the Enter to get the small print of all volumes.

Right here you have to find two volumes, one EFI and one other Boot (one which incorporates Home windows 11 or 10 OS). EFI quantity consists of 100 MB with FAT32 in its Fs column and System underneath Data. Home windows partition is normally assigned as C drive, nonetheless, verify the identical. Notice down the preliminary letter of every quantity then go forward.

Now it is best to assign the important thing quantity to the EFI quantity. To do that, kind choose Quantity 1, after which press Enter key. Right here we’ve assumed that Quantity 1 is your EFI quantity.

• Assign the letter P and hit Enter.
• Go forward and write exit then hit Enter to return out of the at the moment working course of.
• Now navigate to the next path-  cd /d P:efimicrosoftboot and faucet Enter.
• Subsequently, kind bootrec /fixboot and hit the Enter key to generate a brand new boot sector.
• Sort ren BCD BCD.bak to render the outdated BCD file ineffective as it could be corrupt.

Go forward and allow us to create a brand new BCD file.

• To do that kind bcdboot C:Home windows /l en-us /s ok: /f ALL and press Enter key.

Right here C: is the related drive quantity the place Home windows is put in.

Lastly, shut the Command Immediate and reboot your system usually. Hope this time your system begins working nice, if not attempt the subsequent workaround.

5. Create an EFI Partition

If not one of the above strategies solves the Oxc000000f bug in your PC, there is perhaps the potential for lacking the EFI partition. Therefore you need to recreate the identical. This job is a bit bit advanced, so comply with these steps-

• To begin with, purchase a real Media Creation instrument with not less than 200 MBs of area in your disk drive.
• Insert Home windows set up media at its specified port and Reboot the system.
• When the PC restarts, press operate keys equivalent to F2, F9, Del, Esc, and so forth. to launch Boot Supervisor.
• Right here choose USB as the primary Home windows set up on the Boot gadget part.
• Thereafter, maintain the Shift key and press F10 to open Command Immediate.
• On the elevated Immediate space, kind the next codes one after the other adopted by the Enter on the finish of every command.

Diskpart

record disk

choose disk 0 (will choose particular disk the place you want to generate EFI partition)

record partition (will present the record of all partitions).

Choose Partition 1 (Guarantee you might have not less than 200 MBs free area in your disk drive)

shrink desired=200 minimal=200

create partition efi

record partition

partition 2 (Suppose the newly created 200 MB partition is partition 2)

format fs=fat32

record vol (will present the record of all newly created 200 MBs area volumes)

Choose vol 3 (assume the quantity variety of EFI partition named as 3)

assign

record vol

Notice: It’s essential acknowledge and be aware down the drive letter of the quantity during which the Home windows partition. For this, merely search for the Boot within the data column. By default, that is assigned C. Anyhow, discover out yours and use the identical within the above instructions.

Once more, kind bcdboot C:Home windows /l en-gb /s B: /f ALL code close to the blinking cursor then press Enter.

Right here C: denotes the Home windows drive and B: is the drive letter assigned because the EFI partition.

As soon as this job is over, Restart your system to avoid wasting the modifications made thus far.

Notice: In the event you nonetheless expertise this hassle, there is perhaps a fault within the Exhausting Disk drive. Due to this fact, restore or change the identical to unravel this error in your System.