Fix Windows MBR - Teh Forum

<body> <div id="header"> <span class="left"> <span class="back"><a href="lthread_list.php?webtag=DEFAULT"><span class="image mobile_back" title="Back"></span></a></span> <span class="image mobile_logo" title="Beehive Forum Logo"></span> </span> <ul> <li> <a class="reply_all" href="lpost.php?webtag=DEFAULT&reply_to=41977.0&return_msg=41977.1"> <span class="image mobile_reply_all"></span><span class="text">Reply to All</span> </a> </li> <li> <a class="navigation" href="#"> <span class="image mobile_navigation"></span><span class="text">Show messages</span> </a> </li> <li> <a class="main" href="#"><span class="image mobile_menu" title="Menu"></span> </a> </li> </ul> </div> <div class="menu main"> <ul> <li><a href="lthread_list.php?webtag=DEFAULT">Messages</a></li> <li><a href="lpm.php?webtag=DEFAULT">Inbox</a></li> <li><a href="lsearch.php?webtag=DEFAULT">Search</a></li> <li><a href="llogon.php?webtag=DEFAULT">Login</a></li> </ul> </div> <div class="menu navigation"><a href="lmessages.php?webtag=DEFAULT&msg=41977.1">1–10</a><a href="lmessages.php?webtag=DEFAULT&msg=41977.11">11–18</a></div> <div id="page_content"> <h3 class="thread_title"><a href="index.php?webtag=DEFAULT&amp;msg=41977.1">Fix Windows MBR</a> </h3> <div id="messages" data-navigation="41977_1_18_10"> <a name="a41977_1"></a><div class="message" id="message_41977_1"> <div class="message_header"> <div class="message_from"> From: Peter (BOUGHTONP)<span class="message_time"> 2 Jul 2017 18:56</span> <div class="clearer"></div> </div><div class="message_to">To: ALL<span class="message_count">1 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.1">41977.1</a></div> <div class="message_body"> Dual boot machine - I deleted old Linux partitions and broke Grub. <p>I just want to repair the MBR so Windows can boot, but I don't have a recovery disk. </p><p>I've spent /ages/ creating a bootable USB with Boot-Repair-Disk on, but it doesn't start (<i>"can not mount /dev/loop0 (/cdrom/casper/filesystem.squashfs) on //filesystem.squashfs"</i>) </p><p>So any suggestions on the simplest way to restore it? </p><p>And why is it so bloody complicated to tell a computer to boot from partition X on drive Y? <span class="emoticon e_angry" title=":@"><span class="e__">:@</span></span></p></div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.1&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.1"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_2"></a><div class="message" id="message_41977_2"> <div class="message_header"> <div class="message_from"> From: Peter (BOUGHTONP)<span class="message_time"> 2 Jul 2017 20:32</span> <div class="clearer"></div> </div><div class="message_to">To: Peter (BOUGHTONP) <span><span class="image post_read" title="Read: 2 Jul 2017 20:32"></span></span> <span class="message_count">2 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.2">41977.2</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=41977.1#a41977_1" target="_self">41977.1</a></div> <div class="message_body"> Ok, so I re-mirrored the disk to get things booting again, and found <a href="https://www.youtube.com/watch?v=nHk6BNtwy5w">instructions for creating recovery disk without needing an ISO</a>, so I'll do that tomorrow and figure out if Grub has a proper uninstall method before I start re-doing partitions.</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.2&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.2"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_3"></a><div class="message" id="message_41977_3"> <div class="message_header"> <div class="message_from"> From: CHYRON (DSMITHHFX)<span class="message_time"> 3 Jul 2017 00:24</span> <div class="clearer"></div> </div><div class="message_to">To: Peter (BOUGHTONP) <span><span class="image post_read" title="Read: 3 Jul 2017 18:54"></span></span> <span class="message_count">3 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.3">41977.3</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=41977.1#a41977_1" target="_self">41977.1</a></div> <div class="message_body"> # dd if=/dev/sda of=/path/to/mbr.bak bs=512 count=1</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.3&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.3"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_4"></a><div class="message" id="message_41977_4"> <div class="message_header"> <div class="message_from"> From: koswix<span class="message_time"> 3 Jul 2017 11:03</span> <div class="clearer"></div> </div><div class="message_to">To: Peter (BOUGHTONP) <span><span class="image post_read" title="Read: 3 Jul 2017 18:54"></span></span> <span class="message_count">4 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.4">41977.4</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=41977.1#a41977_1" target="_self">41977.1</a></div> <div class="message_body"> I can choose boot drive and partition from within the bios on my laptop, guessing you've checked if that's possible on your machine? </div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.4&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.4"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_5"></a><div class="message" id="message_41977_5"> <div class="message_header"> <div class="message_from"> From: Peter (BOUGHTONP)<span class="message_time"> 3 Jul 2017 19:07</span> <div class="clearer"></div> </div><div class="message_to">To: koswix <span><span class="image post_read" title="Read: 3 Jul 2017 20:42"></span></span> <span class="message_count">5 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.5">41977.5</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=41977.1#a41977_4" target="_self">41977.4</a></div> <div class="message_body"> That'll be either UEFI or GPT doing that. <p>I don't got none of those.</p></div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.5&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.5"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_6"></a><div class="message" id="message_41977_6"> <div class="message_header"> <div class="message_from"> From: Peter (BOUGHTONP)<span class="message_time"> 3 Jul 2017 19:11</span> <div class="clearer"></div> </div><div class="message_to">To: CHYRON (DSMITHHFX) <span><span class="image post_read" title="Read: 3 Jul 2017 23:31"></span></span> <span class="message_count">6 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.6">41977.6</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=41977.1#a41977_3" target="_self">41977.3</a></div> <div class="message_body"> That copies an MBR file to the first 512 bytes of the disk, right? <p>One of the many useless bits of information that lodged itself in my brain from the numerous pages of irrelevant crap I read through yesterday is that it's not safe to assume that's always the case.</p></div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.6&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.6"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_7"></a><div class="message" id="message_41977_7"> <div class="message_header"> <div class="message_from"> From: Peter (BOUGHTONP)<span class="message_time"> 3 Jul 2017 19:51</span> <div class="clearer"></div> </div><div class="message_to">To: ALL<span class="message_count">7 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.7">41977.7</a></div> <div class="message_body"> MBR restored, old partitions removed, Windows still boots, 100GB free on C, and an evening of robocopy /mir /dcopy:t to look forward to. <p><em><big>//WOOT//</big></em></p></div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.7&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.7"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_8"></a><div class="message" id="message_41977_8"> <div class="message_header"> <div class="message_from"> From: koswix<span class="message_time"> 3 Jul 2017 20:43</span> <div class="clearer"></div> </div><div class="message_to">To: Peter (BOUGHTONP) <span><span class="image post_read" title="Read: 3 Jul 2017 20:50"></span></span> <span class="message_count">8 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.8">41977.8</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=41977.1#a41977_5" target="_self">41977.5</a></div> <div class="message_body"> Ah yeah, uefi I think. Useful if you've got it!</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.8&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.8"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_9"></a><div class="message" id="message_41977_9"> <div class="message_header"> <div class="message_from"> From: Peter (BOUGHTONP)<span class="message_time"> 3 Jul 2017 21:58</span> <div class="clearer"></div> </div><div class="message_to">To: ALL<span class="message_count">9 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.9">41977.9</a></div> <div class="message_body"> Almost all done... after shuffling partitions I've got 40GB unallocated on my second disk which is before the main partition and when I try extending Windows wants to do some "dynamic disk" bollocks to use it. Grrr. <p>A quick search says GParted can just extend partitions backwards, so that'll be tomorrow's task and then I'll <em>finally</em> be all fully upgradeded.</p></div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.9&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.9"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div><a name="a41977_10"></a><div class="message" id="message_41977_10"> <div class="message_header"> <div class="message_from"> From: CHYRON (DSMITHHFX)<span class="message_time"> 3 Jul 2017 23:33</span> <div class="clearer"></div> </div><div class="message_to">To: Peter (BOUGHTONP) <span><span class="image post_read" title="Read: 4 Jul 2017 19:50"></span></span> <span class="message_count">10 of 18</span><div class="clearer"></div> </div> </div> <div class="message_links"> <a href="lmessages.php?webtag=DEFAULT&msg=41977.10">41977.10</a> In reply to <a href="lmessages.php?webtag=DEFAULT&msg=41977.1#a41977_6" target="_self">41977.6</a></div> <div class="message_body"> Nope, it copies the mbr + partition table to a file, which can then be restored from a linux boot disk in the event said mbr is hosed.</div> <div class="message_footer"> <div class="message_footer_links"><a href="lpost.php?webtag=DEFAULT&reply_to=41977.10&return_msg=41977.1" class="reply"><span class="image post"></span>Reply</a></div> <div class="message_vote_form" data-msg="41977.10"> <span class="rating">0/0</span> <span class="image vote vote_down vote_down_off" title="Vote Down"></span> <span class="image vote vote_up vote_up_off" title="Vote Up"></span> </div> </div> </div></div> <div class="message_page_footer"> <ul> <li class="right_col"><form accept-charset="utf-8" method="get" action="lmessages.php" target="_self"><input type="hidden" name="webtag" id="webtag" class="bhinputtext" value="DEFAULT" dir="ltr" /><input type="hidden" name="msg" id="msg" class="bhinputtext" value="41977.11" dir="ltr" /><input type="submit" name="submit" id="keep_reading" value="Keep reading…" class="button" /></form></li> </ul> </div> </div> </body>