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Original post : Error: no such partition. Grub rescue Fix for Windows XP, Vista, 7.
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Get the fix for the error <strong>Error: no such partition. Grub rescue</strong> on <strong>Windows XP,</strong> <strong>Windows Vista </strong>and<strong> Windows 7</strong>. <h2>About "<strong>Error: no such partition. Grub rescue</strong>"</h2> [kbintro] <h3><span id="Description_and_Symptoms">Description and Symptoms</span></h3> The error messages, alerts, warnings, and symptoms below are tied to this error. <h3>Symptom 1: "<strong>Error: no such partition. Grub rescue</strong>" error screen on startup</h3> This error is usually displayed on computers with the Linux distribution Ubuntu installed as it uses the GRUB installer. [toc] Another related issue on PCs with Ubuntu on is the "Cannot find GRLDR" error. You can find more about this particular error on our Wiki at <a href="https://neosmart.net/wiki/cannot-find-grldr/">Cannot find GRLDR: Fix for Windows XP and 7 article</a>. There are no other known alternative error message related to this boot error. <h2>Causes of this Error</h2> This error has been known to occur as a result of one of the following causes: <h3>Cause 1: Invalid boot loader configuration</h3> The most common cause of this error is a misconfigured boot loader file that prevents the system from loading. <h2>Fix: Use Easy Recovery Essentials</h2> [easyre error="Error: no such partition. Grub rescue" bootscreen="xp-7"] <h2>Fix Error: no such partition. Grub rescue in Windows XP, 7</h2> [setupcd] <h3>Fix #1: Rebuild the BCD</h3> You can rebuild the master boot sector with <code>bootrec.exe</code>, the tool available in the Windows Recovery Environment. <strong>If you have Windows XP:</strong> <ol> <li>Insert the Windows XP CD in the optical drive</li> <li>Reboot the computer</li> <li>At the Microsoft Setup menu, press <kbd>R</kbd></li> <li>Select the operating system</li> <li>Enter the Administrator password</li> <li>When Command Prompt appears, you can type the bootcfg command: <pre>bootcfg /rebuild</pre> </li> <li>Press <kbd>Enter</kbd></li> <li>Once completed, type <code>exit</code> to reboot the computer</li> <li>Press <kbd>Enter</kbd></li> </ol> <strong>If you have Windows 7:</strong> <ol> <li>Insert your Windows install disc</li> <li>Press any key at the "Press any key to boot from CD or DVD" message to boot from the disc</li> <li>Choose <strong>Repair your computer</strong> after you select the language, time and keyboard method (for Windows 7 users)</li> <li>Select your Windows installation drive (usually <code>C:\</code>)</li> <li>Click <strong>Next</strong></li> <li>Select <strong>Command Prompt</strong> in the <em>System Recovery Options</em> window</li> <li>Write the following commands in the Command Prompt: <pre>bootrec /fixmbr bootrec /fixboot bootrec /rebuildbcd</pre> </li> <li>Press <kbd>Enter</kbd> after each command</li> </ol> [caption id="attachment_4713" align="alignnone" width="980"]<a href="https://neosmart.net/blog/wp-content/uploads/sites/5/2013/08/bootrec2.png"><img class="wp-image-4713 size-large" src="https://neosmart.net/blog/wp-content/uploads/sites/5/2013/08/bootrec2-1024x768.png" alt="bootrec utility results screen" width="980" height="735" /></a> bootrec utility results screen[/caption] <h3>Fix #2: Manually configuring the active partition</h3> A very common cause for this error to show up is not having the correct partition set as active. Referring to the <a href="https://neosmart.net/wiki/easybcd/dual-boot/windows-xp/#The_Boot_Process">description of how the PC boots</a>, the BIOS tries to start the boot loader up from the active partition and the bootloader searches for its configuration data from the active partition as well. If the active partition is corrupted or incorrectly set, many errors including this "Error: no such partition." can happen. Use diskpart from the command line to set the correct partition. <ol> <li>Execute the following commands to see a list of all partitions on your disk: <pre>diskpart list part</pre> Press <kbd>Enter</kbd> after each command.</li> <li>Once you've determined which of the displayed partition needs to be active (not sure? <a title="Easy Recovery Essentials" href="https://neosmart.net/EasyRE/">Easy Recovery Essentials</a> can automatically detect problems with your active partition and automatically reconfigure the correct partition for you, no command line needed), carry out the steps below to make the changes:</li> <li> <pre>select partition x active quit</pre> Press <kbd>Enter</kbd> after each command.</li> <li>Reboot for the changes to take place.</li> </ol> [caption id="attachment_4714" align="alignnone" width="800"]<a href="https://neosmart.net/blog/wp-content/uploads/sites/5/2013/08/VirtualBox_Win7_clean_27_04_2016_05_45_20-2.png"><img class="wp-image-4714 size-full" src="https://neosmart.net/blog/wp-content/uploads/sites/5/2013/08/VirtualBox_Win7_clean_27_04_2016_05_45_20-2.png" alt="diskpart utility results screen" width="800" height="600" /></a> diskpart utility results screen[/caption] <h3>Fix #3: Restore boot sector code</h3> <p class="warning">These steps apply only for Windows 7 users.</p> <ol> <li>Boot from your Windows 7 disc</li> <li>Choose <strong>Repair your computer</strong> after you select the language, time and keyboard method</li> <li>Select your Windows installation drive (usually <code>C:\</code>) and click <strong>Next</strong></li> <li>Select Command Prompt in the System Recovery Options box</li> <li>Determine which drive letter is your Windows install disc by typing these commands in the Command Prompt: <pre>diskpart select disk 0 list volume</pre> </li> <li>Look for the "CD-ROM" value in "Type" column in the new table and you'll see your installation drive letter</li> <li>Now go to the boot folder from your disc using these commands below. Note that we'll be using <code>D:</code> (second command below) as our installation drive letter; yours may be different. <pre>exit D: cd boot dir</pre> </li> <li>Verify that you have a <code>bootsect.exe</code> file listed. If so, enter the next command: <pre>bootsect /nt60 SYS /mbr</pre> </li> <li>Press <kbd>Enter</kbd> when the process is complete and then type <code>exit</code>: <pre>exit</pre> </li> <li>Restart your computer</li> </ol> [caption id="attachment_4715" align="alignnone" width="800"]<a href="https://neosmart.net/blog/wp-content/uploads/sites/5/2013/08/bootsect1.png"><img class="wp-image-4715 size-full" src="https://neosmart.net/blog/wp-content/uploads/sites/5/2013/08/bootsect1.png" alt="bootsect utility results screen" width="800" height="600" /></a> bootsect utility results screen[/caption] <h2>More Information</h2> <h3>Linked Entries</h3> <ul> <li><a href="https://neosmart.net/wiki/bootcfg/">bootcfg</a></li> <li><a href="https://neosmart.net/wiki/bootrec/">bootrec</a></li> <li><a href="https://neosmart.net/wiki/fix-mbr/">Fix MBR</a></li> </ul> [partial name="partial_moreinfo" versions="xp,vista,7"]