https://notes.manzolo.it/tags/boot-repair/Recent content in Boot-Repair on Manzolo Code NotesHugo -- 0.152.2en-USSat, 27 Sep 2025 15:34:00 +0200https://notes.manzolo.it/2025/09/linux-boot-repair-debian/ubuntu/Sat, 27 Sep 2025 15:34:00 +0200https://notes.manzolo.it/2025/09/linux-boot-repair-debian/ubuntu/<h1 id="linux-boot-repair-guide-debianubuntu">Linux Boot Repair Guide (Debian/Ubuntu)</h1> <h2 id="introduction">Introduction</h2> <p>Boot issues in Debian or Ubuntu can prevent your system from starting, often due to a corrupted GRUB bootloader, misconfigured partitions, or kernel problems. This guide provides step-by-step instructions to repair the boot process for both UEFI and Legacy (BIOS/MBR) systems using a live USB/CD. It covers GRUB reinstallation, partition setup, and troubleshooting common issues.</p> <h2 id="prerequisites">Prerequisites</h2> <ul> <li>A Debian or Ubuntu live USB/CD (preferably the same version as your system).</li> <li>Access to a live session by booting from the live media and selecting &ldquo;Try Ubuntu/Debian.&rdquo;</li> <li>Basic familiarity with the terminal.</li> <li>Administrative (root) privileges in the live environment.</li> </ul> <h2 id="critical-warning-verify-partitions-before-formatting">Critical Warning: Verify Partitions Before Formatting</h2> <div class="callout callout--yellow" role="alert"> <div class="callout-header"> <span class="callout-icon">⚠️</span><span class="callout-title">Warning</span></div> <div class="callout-content"> <strong>Extreme Caution</strong>: Before formatting any partition, use <code>lsblk</code> or <code>fdisk -l</code> to verify that you are selecting the correct disk and partition (e.g., EFI System Partition or root partition). Formatting the wrong partition can erase your data or critical files. Always double-check the disk and partition layout to avoid data loss. </div> </div> <style> .callout { margin: 1.5rem 0; padding: 1rem; border-radius: 8px; border-left: 4px solid; background-color: var(--callout-bg); border-color: var(--callout-border); } .callout-header { display: flex; align-items: center; font-weight: 600; margin-bottom: 0.5rem; } .callout-icon { margin-right: 0.5rem; font-size: 1.1em; } .callout-title { text-transform: uppercase; font-size: 0.85em; letter-spacing: 0.5px; } .callout-content { margin: 0; } .callout-content p:last-child { margin-bottom: 0; } :root { --callout-blue-bg: #e3f2fd; --callout-blue-border: #2196f3; --callout-green-bg: #e8f5e8; --callout-green-border: #4caf50; --callout-yellow-bg: #fff8e1; --callout-yellow-border: #ff9800; --callout-red-bg: #ffebee; --callout-red-border: #f44336; --callout-purple-bg: #f3e5f5; --callout-purple-border: #9c27b0; } [data-theme="dark"] { --callout-blue-bg: #1a2942; --callout-blue-border: #64b5f6; --callout-blue-text: #90caf9; --callout-green-bg: #1b3a2f; --callout-green-border: #66bb6a; --callout-green-text: #81c784; --callout-yellow-bg: #3a3420; --callout-yellow-border: #c9b382; --callout-yellow-text: #e8d7a8; --callout-red-bg: #2d2020; --callout-red-border: #d48888; --callout-red-text: #e6a8a8; --callout-purple-bg: #2d1b4e; --callout-purple-border: #ba68c8; --callout-purple-text: #ce93d8; } .callout--blue { --callout-bg: var(--callout-blue-bg); --callout-border: var(--callout-blue-border); color: var(--callout-blue-border); } .callout--green { --callout-bg: var(--callout-green-bg); --callout-border: var(--callout-green-border); color: var(--callout-green-border); } .callout--yellow { --callout-bg: var(--callout-yellow-bg); --callout-border: var(--callout-yellow-border); color: var(--callout-yellow-border); } .callout--red { --callout-bg: var(--callout-red-bg); --callout-border: var(--callout-red-border); color: var(--callout-red-border); } .callout--purple { --callout-bg: var(--callout-purple-bg); --callout-border: var(--callout-purple-border); color: var(--callout-purple-border); } [data-theme="dark"] .callout--blue { color: var(--callout-blue-text); } [data-theme="dark"] .callout--green { color: var(--callout-green-text); } [data-theme="dark"] .callout--yellow { color: var(--callout-yellow-text); } [data-theme="dark"] .callout--red { color: var(--callout-red-text); } [data-theme="dark"] .callout--purple { color: var(--callout-purple-text); } @media (max-width: 768px) { .callout { margin: 1rem -1rem; border-radius: 0; padding: 1rem; } } </style> <h2 id="linux-boot-repair">Linux Boot Repair</h2> <h3 id="uefi-boot-repair">UEFI Boot Repair</h3> <p>UEFI systems use an EFI System Partition (ESP) to store GRUB and boot files. If the ESP is missing, corrupted, or misconfigured, the system may fail to boot.</p>https://notes.manzolo.it/2025/09/windows-boot-repair/Sat, 27 Sep 2025 15:26:00 +0200https://notes.manzolo.it/2025/09/windows-boot-repair/<h1 id="windows-boot-repair-guide">Windows Boot Repair Guide</h1> <h2 id="introduction">Introduction</h2> <p>Windows boot issues can prevent your system from starting correctly, often due to corrupted boot files, misconfigured partitions, or firmware settings. This guide provides step-by-step instructions to repair Windows boot problems for both UEFI and MBR/Legacy systems using the Windows Recovery Environment (WinRE) command prompt. It covers partition setup, boot configuration rebuilding, and troubleshooting common issues.</p> <h2 id="prerequisites">Prerequisites</h2> <ul> <li>A Windows installation USB or DVD with the same version as your system.</li> <li>Access to the Windows Recovery Environment (WinRE) by booting from the installation media and selecting &ldquo;Repair your computer.&rdquo;</li> <li>Basic familiarity with the Command Prompt.</li> <li>Administrative privileges in the recovery environment.</li> </ul> <h2 id="critical-warning-verify-partitions-before-formatting">Critical Warning: Verify Partitions Before Formatting</h2> <div class="callout callout--yellow" role="alert"> <div class="callout-header"> <span class="callout-icon">⚠️</span><span class="callout-title">Warning</span></div> <div class="callout-content"> <strong>Extreme Caution</strong>: Before formatting any partition, use <code>diskpart</code>’s <code>list disk</code> and <code>list part</code> commands to verify that you are selecting the correct disk and partition (e.g., the EFI System Partition or system partition). Formatting the wrong partition can erase your Windows data or other critical files. Always double-check the disk and partition layout to ensure you are not deleting your data drive. </div> </div> <style> .callout { margin: 1.5rem 0; padding: 1rem; border-radius: 8px; border-left: 4px solid; background-color: var(--callout-bg); border-color: var(--callout-border); } .callout-header { display: flex; align-items: center; font-weight: 600; margin-bottom: 0.5rem; } .callout-icon { margin-right: 0.5rem; font-size: 1.1em; } .callout-title { text-transform: uppercase; font-size: 0.85em; letter-spacing: 0.5px; } .callout-content { margin: 0; } .callout-content p:last-child { margin-bottom: 0; } :root { --callout-blue-bg: #e3f2fd; --callout-blue-border: #2196f3; --callout-green-bg: #e8f5e8; --callout-green-border: #4caf50; --callout-yellow-bg: #fff8e1; --callout-yellow-border: #ff9800; --callout-red-bg: #ffebee; --callout-red-border: #f44336; --callout-purple-bg: #f3e5f5; --callout-purple-border: #9c27b0; } [data-theme="dark"] { --callout-blue-bg: #1a2942; --callout-blue-border: #64b5f6; --callout-blue-text: #90caf9; --callout-green-bg: #1b3a2f; --callout-green-border: #66bb6a; --callout-green-text: #81c784; --callout-yellow-bg: #3a3420; --callout-yellow-border: #c9b382; --callout-yellow-text: #e8d7a8; --callout-red-bg: #2d2020; --callout-red-border: #d48888; --callout-red-text: #e6a8a8; --callout-purple-bg: #2d1b4e; --callout-purple-border: #ba68c8; --callout-purple-text: #ce93d8; } .callout--blue { --callout-bg: var(--callout-blue-bg); --callout-border: var(--callout-blue-border); color: var(--callout-blue-border); } .callout--green { --callout-bg: var(--callout-green-bg); --callout-border: var(--callout-green-border); color: var(--callout-green-border); } .callout--yellow { --callout-bg: var(--callout-yellow-bg); --callout-border: var(--callout-yellow-border); color: var(--callout-yellow-border); } .callout--red { --callout-bg: var(--callout-red-bg); --callout-border: var(--callout-red-border); color: var(--callout-red-border); } .callout--purple { --callout-bg: var(--callout-purple-bg); --callout-border: var(--callout-purple-border); color: var(--callout-purple-border); } [data-theme="dark"] .callout--blue { color: var(--callout-blue-text); } [data-theme="dark"] .callout--green { color: var(--callout-green-text); } [data-theme="dark"] .callout--yellow { color: var(--callout-yellow-text); } [data-theme="dark"] .callout--red { color: var(--callout-red-text); } [data-theme="dark"] .callout--purple { color: var(--callout-purple-text); } @media (max-width: 768px) { .callout { margin: 1rem -1rem; border-radius: 0; padding: 1rem; } } </style> <h2 id="windows-boot-repair">Windows Boot Repair</h2> <h3 id="uefi-boot-repair">UEFI Boot Repair</h3> <p>UEFI systems use an EFI System Partition (ESP) to store boot files. If the ESP is missing, corrupted, or misconfigured, Windows may fail to boot.</p>