Bcdedit access denied - workable solutions
How do I fix command prompt access denied?
- Take ownership of the directory.
- Add your account to the Administrators group.
- Enable the hidden Administrator account.
- Check your permissions.
- Use Command Prompt to reset permissions.
- Set your account as administrator.
- Use Reset Permissions tool.
How do I enable BCDEdit EXE?
- Restart the computer.
- Press the F8 key to open Advanced Boot Options.
- Select Repair your computer. Advanced Boot Options on Windows 7.
- Press Enter.
- At the System Recovery Options, click Command Prompt.
- Type: bcdedit.exe.
- Press Enter.
Okay so this tutorial is about how to change the default operating system from the command prompt and in a few moments we can see that the default operating system is Windows 7 and this computer has a different operating system Windows 8.1 and another 8.1 that is from a VHD File is running and let's change the default let's say to Windows 8.1 so for that we will type Windows 7 and do the operation from there and I will use a command prompt window to make that change to it and run it as administratorok .
This command prompt window pops up and the word administrator should be fine and to see all the operating systems we type bcd edit so esb cd edit is hit enter section called windows boot manager another section called windows boot loader windows Bootloader again a Windows bootloader for the third time, so a section that The name Bootloader refers to an operating system and in the description you can see that the name is Windows 8.1 VHD. The second was a description Windows 8.1 and this is the first Windows 7 and the current operating system is Windows 7 and we want to change that Windows 8 so we enter bcdedit again, we see the edit and slashdefault and after that we have to copy one of the identifier codes, so for example if I want to make Windows 8.1 the default operating system this identifier code this long code has to be copied and for just right click on the screen and go to highlight.
Now we can choose the code ourselves. Windows 8 8.1 passcode code Okay, the code is now selected and the code has been pasted, paste it and hit Enter and it has now completed successfully when I start the computer.
Restarting the default operating system should be Windows 8.1 The second and before it was the first it was Windows 7 so let's wait and see how you can see that it is Windows 8.1 and when you enter that Windows the timeout expired and the second Operating system has been loaded if you enter this from this we can reset to Windows 7 for example is the same, let's right click on it to the start menu and click run and type in CMD and we can see that it is not with administrative privileges and now the word administrator is okay let's enter bcdedit let's enlarge it and add Windows bootloaderwindows 7 let's make this the default let's highlight the Windows 7 identifier code right click on it to copy and here we see the LD p - slash standard and Right click the mouse again and paste the Windows 7 identification code.
The process has been completed Finally completed and if we restart the computer now Windows 7 should be the default operating system again and yes, Windows 7 will be selected automatically and Windows will be loaded, so we have just changed the default operating system via the boot loader selection menu with the command prompt and the bcdedit command
Where is the BCD file located?
The BCD information resides in a data file named bootmgfw. efi in the EFI partition in the \EFI\Microsoft\Boot folder. You will also find a copy of this file in the Windows Side-by-Side (WinSxS) directory hierarchy.23 mei 2017
You also need to know that on gpt hard drive computers the path is bcd file backslash efi backslash microsoftbackslash boot backslash bcdif you have another error message like inaccessible boot device you can see how to fix it in another article links in article description article content how to boot with or without CD into recovery mode How to check the health status of hard drives How to fix boot problems in all versions of Windows with mbr and gpt systemsextra methods Important note Show to show the advanced recovery options The menu that was used to fix any startup problems or blue screen boot loop problems, to open advanced recovery options without installation media, turn off the computer completely, turn it on again when the Windows logo with a circle of dots appears Press and hold the Power button for eight seconds or until the device turns off completely Repeat the previous two steps until the computer is now in the advanced recovery options.
Installation media such as DVD or USB open f12 or another key from the keyboard to open the boot options This is the list of the most common keys to bring up the boot menu for different brands, move to the DVD or USB stick and then press Enter Press Press any key to continue Change the keyboard key revenge on the United States so you can type commands and icons with no hassle like it happens when you select the UK language or any other language Click the Next button and then click the Repair your computer option There is a article in the article description or click the notification card will show you how to create a Windows installation media with your Android phone, check the health status of the disks, open the command prompt when booting without installation media, you will be asked to select the user profile, if you have more than one profile, choose that with admin -Access then change the keyboard layout to us, if you have a password for the selected profile, enter it and click the Next button, if there is no password click the 'Next' button directly, enter notepad.exe and press enter. Click on the file and choose the option to open it.
Click this PC icon to view all hard drives and partitions are not shown like this Run the following command to fix chkdskcf slash rx c with the letter of Windows partition on your computer if you still don't have any partition details try disconnecting and reconnecting the hard drive or SSD disk, you must be familiar with disassembling the laptop, otherwise do not try this main solution for all Windows versions in both gpt and mpr systems open command prompt type bcd edit and press Enter to display the bcd or boot configuration information. There is a difference between gpt and mpr systems as shown but it doesn't affect the results if you use this method Determine which partition you have Windows installed in for most of the device data, in my case the d is the Windows Partition, but in your computer it may be a different type of letter bcd boot d colon backslash windows replace d with the letter of the windows partition in your computer as you can see the boot files that were successfully created. Let's see what happens if you choose the wrong letter for Windows and get the following error message: Failed to attempt to copy boot files, close the cmd Click ContinueOption to boot into the Windows 10 operating system Disconnect the USB card or DVD from your laptop, if you boot from either of these, you may get a blue screen error stating that your PC could not start properly after several attempts, the operating system on your PC failed to start so it needs to be repaired, just press error code 0xc00001 Enter from keyboard to continue First start up may take longer than usual so be patient bcd boot tool can fix boot problems in Windows 10 Windows 8.1 Windows 8 Windows 7 Windows Vista Windows Server 2016 Technical PreviewWindows Server 2012 r2 windows server2012 windows server 2008 r2 or windows server 2008 as you can see that the windows without any problems Also, all files and installed apps will not be lost after using this method, additional methods to determine the type of disk schema, whether it is a gpt or try-on prompt, type disk part and hit type at to open Disk Management.
Enter the list of disk and hit enter if you have an asterisk in the gpt column next to the disk number zero then your disk scheme is gpt, if there is no asterisk then you have an mprdisk scheme, after knowing the disk type, we see whether the boot partition is available and configured correctly or Do not enter cell disk 0 to select drive number 0 because there is only one hard drive in both systems displayed will select hard drive number 0, but if you have more than one hard drive installed in your computer select the hard drive containing the Windows system you want to repair based on the hard drive size type list vault, to see the available volumes, you can know which volume is the boot partition and which one is the Windows partition like this: The boot partition is usually 500 megabytes or less in size and has an F. at32 file format in gpt hard drives orntfs in mpr hard drives mostly its label is system or reserved in mpr or has a hidden lapel ingpt hard drive Windows partition is usually 20 gigabytes or more in size and it takes the cord letters, in my case is the boot partition Volume number one with ntfs format in the mpr-based system and volume number three with fet32 format in the gpt-based system. In addition, it has the letter c in mpr, while in rare cases it has not assigned a letter to ingpt letter The Windows partition has lost the assigned letter and is shown with a blank entry in the ltr column.
In this case, you need to assign the letter you saw from bcd editdata to t or assign the c or d letters if they are not assigned to other partitions like select the windows partition with this command assign cell vol 1 You assign the c letter with this command letter c you can check whether the letter is set in bcd data or not with bcdedit commandnow let's see the differences between gpt and mpr systems which will help you know if the source of the error is from the bcd or from the Windows boot loader files to view the bcd data type exit to close the diskparttype bcd edit and press enter to view the bcd or boot configuration data in the BIOS boot or mpr-based system the boot manager called bootmgr in its path system drive backslash bootmgr in gpt or uefi-based system the boot manager called bootmgfw.efi and its path is backslash efi backslas h microsoftbackslash boot backslash bootmgfw.efider boot manager is in a separate partition called system reserve partition for both gpt and.
saved mpr disk also the Windows loader named winload.exe and mpr-based system em andwinload.efi and gpt or uefi-based system, the Windows NTOS kernel is called entisgrenel.exe in both gpt and immpr, however, the path for both Windows -Loader and kernel files is the same, the systemroot backslash system32 folder rebuild bcd and mpr based systems also works for the gpt systemsopen command prompt type bootrec rebuildbcd and press entertype bootrec fix mbr and press entertype bootrec fix boot and press Enter If you were denied access error message run the following command to fix the bootsectnt60 sys.
To fix the windows boot problem, run the bootrecfix boot command again to rebuild computer inwindows operating system bcd manually in mpr-basedsystems command prompt type bootrec rebuildbcd and press enter back up the old bcd file with the following Edit command bcd slash export c colon backslashbcd backupYou can replace the c with another letter in order to easily save the bcd backup on another partition.You can use the following command to remove the hidden system attributes and read-only properties from the bcd file a trip c colon backslash bootbackslash bcdhsr, replace c with the letter of your boot partition and not the Windows partition if you get an error message stating that the path could not be found c backslash boot, which means you selected an incorrect boot partition or your hard drive table is gpt and not mprb ack to step 4.1 to see how to know if you have a gpt or mpr disk, go to step 4.2 to learn how to recognize the boot partition rename or delete the old bcd file with one of the following commands but not with c colon backslash boot backslashbcdbcd.oldor dell c colon backslash boot backslashbcdtype bootrec rebuild bcd and press entertype yes or y and press enter to add the windows installation configuration to the boot list and click Settings option On the restart button, try one of the following options by pressing the appropriate f key.
Disable the automatic restart after an error. Disable Early Start Anti-Malware Protection You can also turn off the driver signature enforcement option to see if the problem is related to the newly installed driver. However, you should consider installing drivers manually in the future unless you re-enable this option, as installing an incompatible driver can damage your operating system or cause other problems.
Rebuild bcd manually in gpt or uefisystems Enter type listdisk command to display available hard drives Select your boot drive using this command. Show available partitions with this command Select the boot command Partition with this command Assign the letter v to the boot partition with this command Close the hard drive part with this command Open the v partition with this command format the boot partition with this command format bfs type y and press enter to confirm when asked for a windows 10 with a build number older than 1709 so add the following command lines one by one and press enter after each command when you type a Windows 10 build 1709 or newer Only use the following command line to complete the boot pinning process You can also try this command if the previous four commands failed with older Windows builds or versions Close Command Prompt reboot your laptop to see whether the problem has been resolved or not ruse other tools to troubleshoot system and hard drive errors check and fix hard drive errors with Diskchecker tool type the command displayed and press Enter Replace c with the letter of your Windows partition use the Dism tool to fix system errors first to check and fix you need to determine the letters of both windows partition and windows installation dvd or usb type bcd and in my case hit enter and hit enter to activate closedisk part, type the following command and press e nterdism slash onlinecleanup image slash restore health when booting from usb or dvd you will get an error message stating that dism does not support servicing windows pe with the slash online option, To fix the following command running on your Windows partition, you can also use the Windows installation media as the source for R Add repair files like in the command shown to fix scratch disk errors in the previous two commands, type mdc colon backslashscratch to create a scratch folder in Windows partition, if there is enough free space, add add the following entry after the previous dism commands lines as shown use system fails checker or sfc to check and fix system errors type sfc scanno and press enter. You may need to create the boot configuration data again before restarting the computer with the following command: bcd will boot right away and backslash window important notes Sometimes the problem can appear after updating the BIOS or after changing the BIOS settings, if you think that the Error related to the bios settings, check out how to fix it using the links in the article description, you need to read the article description and comments to see if there are any additions or changes to any method if you do after applying get one or more new error messages.
Any solution may indicate that there is a hardware source for your problem, so if you need help, don't hesitate to leave a comment to answer your question. We will do our best to help. If you liked the article, please leave a comment and subscribe to post more similar articles
Where is boot configuration data stored?
Boot Configuration Data is stored in a data file that has the same format as Windows Registry hives and is eventually mounted at registry key (with restricted permissions). For UEFI boot, the file is located at /EFI/Microsoft/Boot/BCD on the EFI System Partition.
Why do I get denied access to the BCD file?
Access is denied. Because you need Administrator privileges to access the BCD file with BCDEDIT. So, be sure to run the Command Prompt using a RIGHT-CLICK and selecting: ('Run as administrator'). The following is what you would typically see when entering the command bcdeditall by itself:
How can I fix access is denied error?
You have two possible ways to solve this problem. This method involves recreating the EFI Directory structure and reconfiguring the boot files using BCDboot command. Here’s how to do it: 1) On the same terminal where to you got the “Access is denied” error, type in the following command and hit Enter: The DISKPART prompt will show up.
How to fix BOOTREC / fixboot access is denied?
Here’s how to do it: 1) On the same terminal where to you got the “Access is denied” error, type in the following command and hit Enter: The DISKPART prompt will show up. This should display all disks you have attached to your computer. 3) Now you need to select the boot drive so type in the following command and hit Enter:
Which is the default option for BCDEdit in bcedit?
The /enum option is the default value for BCEdit, so running the bcdedit command without options is equivalent to running the bcdedit /enum active command. Verbose mode.