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Windows 10 Disk Configuration and Boot Setup Guide Introduction This document outlines the steps taken to configure disk partitions and set up the boot files on a Windows 10 system. The process involves using DiskPart, a command-line utility in Windows, to manage disks and partitions.

System Information Operating System: Microsoft Windows [Version 10.0.17763.4974] DiskPart Version: 10.0.17763.1911 Disk Information The system has two disks:

Disk 0

Status: Online Size: 30 GB Free Space: 0 B Disk 1

Status: Online Size: 200 GB Free Space: 0 B DiskPart Commands Accessing DiskPart

bash Copy code C:\Users\Administrator>diskpart Listing Disks

bash Copy code DISKPART> list disk Disk 0: Online, 30 GB Disk 1: Online, 200 GB Checking D: Drive Contents

bash Copy code DISKPART> dir d: Displayed the contents of the D: drive. Exiting DiskPart

bash Copy code DISKPART> exit Left DiskPart.

Viewing D: Drive Contents (Post Exit)

bash Copy code C:\Users\Administrator>dir d: Displayed the contents of the D: drive. Creating Boot Files

bash Copy code C:\Users\Administrator>bcdboot D:\Windows /S D: Boot files were successfully created. Re-entering DiskPart

bash Copy code C:\Users\Administrator>diskpart Selecting Disk 1

bash Copy code DISKPART> select disk 1 Disk 1 is now the selected disk. Listing Volumes

bash Copy code DISKPART> list volume Volume 0 (C:): NTFS, 29 GB, System Volume 1 (D:): NTFS, 199 GB Selecting Volume 1 and Making it Active

bash Copy code DISKPART> select volume 1 DISKPART> active Volume 1 is now the active partition. Exiting DiskPart After Configuration

bash Copy code DISKPART> exit Left DiskPart.

Conclusion The disk configuration and boot setup have been successfully performed. Disk 1, Volume 1 (D:) is now the active partition with the necessary boot files, and the system is ready for use.

create a knowledge base article for the OS not found rescue operation in windows machine. this document is for junior engineers who are not aware of each and everysteps.

Title: Windows 10 Disk Configuration and Boot Guide

Introduction This knowledge base article provides a comprehensive guide for resolving the "Operating System Not Found" error on a Windows 10 system. It outlines the steps to configure disk partitions and set up the boot files using DiskPart, command-line utility. The guide is intended for junior engineers who may require a detailed walkthrough of the process.

Prerequisites Before proceeding with the rescue operation, ensure that you have a bootable USB or DVD with Windows 7 or higher to access the Command Prompt.

Disk Information The system comprises two disks:

Disk 0

  • Status Online Size: 30 GB

Disk 1

  • Status: Online
  • Size: 200 GB

Step-by-Step Guide

  1. Accessing DiskPart
    • Open Command Prompt and enter the command: diskpart

2 Listing Disks

  • In DiskPart, enter: list disk
  • Note the details of the available disks, including their status and size.

  1. Checking D: Drive Contents Enter: dir D:

    • This displays the contents of the D: drive.

  2. Exiting DiskPart

    • To exit DiskPart, enter: exit

  3. Viewing D: Drive Contents (Post Exit)

    • In the Command Prompt, verify the contents of the D drive by entering: dir D:

  4. Creating Boot Files

    • Use the command: bcdboot D:\Windows /S D:
    • Confirm that the boot files were successfully created.

  5. Re-entering DiskPart

    • Open DiskPart again by entering: diskpart

  6. Selecting Disk 1

    • Choose Disk 1 as the selected disk: select disk 1

. Listing Volumes

  • List the volumes using the command: list volume

  1. Selecting Volume 1 and Making it Active

    • Select volume 1: select volume 1
    • Set the volume as active: active

  2. Exiting DiskPart After Configuration

    • Exit DiskPart by entering: exit

Conclusion Following the completion of the above steps, the disk configuration and boot setup have been successfully performed. Disk 1, Volume 1 (D:) is now the active partition with the necessary boot files, and the system is ready for use.

This comprehensive guide is designed to provide junior engineers with a detailed walkthrough of the rescue operation for addressing an "Operating System Not Found" error on a Windows 10 system.

Top Contributors in Windows 10: * Please try a lower page number. * Please enter only numbers. * Please try a lower page number. * Please enter only numbers. Hi, Thank you for posting in Microsoft Community. I understand the inconvenience you are facing in Windows. We will try helping you resolve this issue. To understand the issue better, I need some details below. What was the issue to end up with this error?From where did you prepare the installation disks?Were you trying to do a disk partition or trying to repair the PC? Below are the steps you can try following and check if it helps. Open up the Command console in Windows10 using the Installation disc. type in cd c:\ and press Enter then type in fixboot c:\ and press Enter then type in sfc /scannow and press Enter then type in chkdsk /f and press Enter cd will change the active directory to the c:\ drive fixboot will automatically fix any startup problems. sfc /scannow will look for any corrupted or missing system files and replace them. chkdsk will scan for disk errors and repair them. If the above doesn't work. do the following.. For System Recovery useC:\Windows\System32>rstrui.exe or Directly fire this Commandrstrui.exei.e. c:\rstrui.exe Disclaimer: When you use System Restore to restore the computer to a previous state, programs and updates that you installed after that date are removed. Reference: Restore from a system restore point& Create a system restore point Hope this information helps. Thank youSachin.VMicrosoft Community 65 people found this reply helpful Was this reply helpful? Sorry this didn't help. Great! Thanks for your feedback. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. How satisfied are you with this reply? Thanks for your feedback. The error occurred when the system automatically loaded windows 10 v 1511 update. I had been using Windows 10 OK before that (it being an upgrade from Windows 7). I was left with a blue screen with a number of options (roll back, load another operating system etc). The only option that got me out of that loop was the command prompt. I have downloaded the windows repair as instructed and now need a USB stick to load it onto. Which brought me to the obvious issue in that at the command prompt (x:\windows\system32>) there is little I can do - not even C: so I cannot see how the emergency repair can be applied until I get the normal DOS prompt back (C:\) The first of your suggestions gave the message 'The volume does not contain a recognized file system' The second gave a pop up message 'This app can't run on your PC'. There has been a suggestion the C: drive is corrupt, but if I type DIR it shows me 1107 files and 73 dirs and there are present 462,357,724 (?) bytes and 533,258,240 bytes free which would indicate the disk is still active ?? 54 people found this reply helpful Was this reply helpful? Sorry this didn't help. Great! Thanks for your feedback. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. How satisfied are you with this reply? Thanks for your feedback. Hi, Thank you for getting back with a reply. I suggest you to perform startup repair using a Windows 10 installation disk by following the steps below and check if the issue is resolved. Startup Repair is a Windows Recovery tool that can fix certain system problems that might prevent Windows from starting. Startup Repair scans your computer for the problem, and then tries to fix it so your computer can start correctly. Startup Repair is one of the recovery tools in the System Recovery Options menu. This set of tools is located on your computers hard disk, and on the Windows Installation disc. If you are on Windows 10, I suggest you to repair your computer by creating a Windows 10 Bootable media (i.e. USB or DVD) using Media Creation Tool. Once you're ready with Bootable Media, follow the below mentioned steps. Insertthe Windowsinstallation disc in the disc drive or

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Symptoms When trying to boot Windows, you receive the error: An operating system wasnt found. Try disconnecting any drives that dont contain an operating system. Press Ctrl+Alt+Del to restart Resolution A bootable USB or DVD with Windows 7 or higher is needed to bring up the Command Prompt. If you dont have a bootable media available, you can obtain one by following the create installation media steps found here.Bring up the command prompt: Boot from any DVD or USB Windows 7, 8, or 10 media. Once you have reached the Windows Setup screen (where you select the Language, Time and Keyboard settings), press the SHIFT + F10 keys to bring up the Command Prompt. Find out whether your disk is set to GUID Partition Table (GPT) or Master Boot Record (MBR): In the Command Prompt, type diskpartand press Enter. Type list disk and press Enter. Look for your disk and see if the GPT column has an asterisk (*) this will indicate the disk is GPT. If no asterisk is found, then the disk is set as MBR. Type exit and press Enter. From the Command Prompt, type dir a: and press Enter. If drive A: is found and a directory is displayed, check for the \Windows folder in the directory. If it is there, that is the System Drive. Skip to step 2. If the drive is not found or it doesnt contain the \Windows folder, type dir b: and press Enter. Continue through the alphabet until the drive with the \Windows folder is found, but skip the X: drive. That will be the install files from the USB or DVD you are using. The most common location is the C: drive, so that example will be used in the rest of the article. Once it is found, type:bcdboot C:\Windows /S C: In this case, C is the drive where Windows folder was found. If the Windows folder is on a different drive, use that drive letter instead of C in the bcdboot command above. The message Boot files successfully created must be shown before you can continue. Type: diskpart and press Enter. Type: list disk and press Enter. Type: sel disk C and press Enter. In this case, C is the drive where Windows folder was found. If the Windows folder is on a different drive, use that drive letter instead of C in the sel disk command above. Type: list vol and press Enter. Type: sel vol C and press Enter. In this case, C is the drive where Windows folder was found. If the Windows folder is on a different drive, use that drive letter instead of C in the sel disk command above. Type: active and press Enter. You should get a confirmation that the volume has been successfully set as active. If you dont get the confirmation, it means that either the disk is set to GPT (not MBR), or there is a problem with the disk. Make sure you are working with the right disk. Type: exit and press Enter. Reboot the device - you can do this quickly from the command prompt by typing: shutdown -f -r -t 00 and press Enter. If the type is GPT: From the Command Prompt, type dir a: and press Enter. If drive A: is found and a directory is displayed, check for the \Windows folder in the directory. If it is there, that is the System Drive. Skip to step 2. If the drive is not found or it doesnt contain the \Windows folder, type dir b: and press Enter. Continue through the alphabet until the drive with the \Windows folder is found, but skip the X: drive. That will be the install files from the USB or DVD you are using. The most common location is the C: drive, so that example will be used in the rest of the article. Type: diskpart and press Enter. Type: list disk and press Enter Type: sel disk C and press Enter. In this case, C is the drive where Windows folder was found. If the Windows folder is on a different drive, use that drive letter instead of C in the sel disk command above. Type: list part and press Enter. Look for the partition labeled as System. Once it is found, assign the letter R to the partition. If the letter R is already taken, you can choose any unassigned letter. To assign the letter type: assign letter=r: and press Enter. Type: exit and pr

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Top Contributors in Windows 10: Hi RedCoat, I am Sumit here to assist you with this question. The following should help if you have a Windows installation on Legacy Mode. If you don't know the installation type, try below and revert the changes back again if that does not help. Via https://forums.lenovo.com/t5/ThinkCentre-A-E-M-... First of all, when you have been faced with Error 1962: No Operating System Found, press and hold the key combination of Ctrl + Alt + Delete. This will reboot your system. In order to enter the BIOS setup, press the F12 several times in a row. A little box will appear on your screen and you will see the word Setup written in it. Hit Enter. At the top of the screen select the Startup tab. After this, go ahead and select CSM and hit Now select the Enabled option. Go down a little and locate Boot Priority, after which hit Enter. Now change the current option of Legacy First to UEFI First. Finally, press the F10 key and choose YES. With this you will have completed the steps to resolving ERROR 1962: No Operating System Found and should no longer be present, when you switch your computer on. Once youve finished with the last step, your computer will reboot and load as usual, hopefully without displaying the above error message. Disclaimer: The link included is a non-Microsoft website that would provide accurate and safe information. Watch out for ads on the site which are frequently classified as a PUP (Potentially Unwanted Products). There is no need to buy paid products to fix your computers as they do more harm than good sometimes. SumitAvailable 6 PM - 8 AM PSTFor a better answer, always include PC Specs, Make and Model of the device. Ensure all the latest quality updates have been installed. 50 people found this reply helpful Was this reply helpful? Sorry this didn't help. Great! Thanks for your feedback. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. How satisfied are you with this reply? Thanks for your feedback. UEFI is the mode already shown in BIOS. I also cleared the CMOS with the beeps and also reset BIOS to default settings, and same result each time. 15 people found this reply helpful Was this reply helpful? Sorry this didn't help. Great! Thanks for your feedback. How satisfied are you with this reply? Thanks for your feedback, it helps us improve the site. How satisfied are you with this reply? Thanks for your feedback. Let us try repairing the existing OS. On a working computer, create an Installation media of Windows 10 that allows you to repair existing Windows Installation. Create a USB Flash Drive https://www.tenforums.com/tutorials/2376-create... Boot from the USB Flash drive-Make sure you have disabled Secure boot/Fast boot in BIOS Settings. https://www.tenforums.com/tutorials/21756-boot-... https://www.tenforums.com/tutorials/21284-enabl... Then open Advanced Startup options after the computer boots from USB. Click Repair your computer at the first screen that says Install now. https://www.tenforums.com/tutorials/2294-boot-a... Select Startup repair, let it finish the job and see if the computer can boot afterward. If that doesn't help, consider doing a clean install after rescuing your files. Rescue Files when Windows won't start https://answers.microsoft.com/en-us/windows/for... How to do a clean install https://answers.microsoft.com/en-us/insider/for... https://answers.microsoft.com/en-us/windows/for... Disclaimer: Tenforums is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products).There is no need to buy paid products to fix your computers as they do more harm than good sometimes. SumitAvailable 6 PM - 8 AM PSTFor a better answer, always include PC Specs, Make and Model of the device. Ensure all the latest quality updates have been installed. 2 people found this reply helpful W

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