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core.img is at this location and looksįor (,msdos2)/boot/grub on this drive. Sda1: _īoot sector info: Grub2 (v1.99) is installed in the boot sector of sda1Īnd looks at sector 44090872 of the same hard driveįor core.img. Looks for (,msdos2)/boot/grub on this drive. => Grub2 (v1.99) is installed in the MBR of /dev/sda and looks at sector 1 My comments above are based on this information. We want to be careful that we do not break GRUB and make it impossible to boot anything on your computer when we attempt to fix the problem booting Windows.īelow is a copy of some of the information from your Bootinfo Summary for reference. Unfortunately, I am not sure yet what would be the best way to fix this. Transferring control to it just (re)displays the GRUB boot menu. The VBR in the Windows partition is GRUB's VBR.
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However, when you instructed the Ubuntu install a program to install GRUB into the Windows partition, GRUB appears to have replaced the Windows VBR with its own. So Windows would have originally installed a VBR which would transfer control to the Windows bootmgr program in your Windows partition. Windows expect a partition's VBR to take the next step towards booting an operating system such as Windows 7.The MBR on your hard drive transfers controls to the VBR of partition 1, your Windows partition. It is often referred to as the Volume Boot Record or VBR. In addition to the MBR, every partition can also have a boot record.This first sector is usually referred to as the MBR (Master Boot Record).
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The BIOS on your computer attempts to run the code in the first sector of the hard drive.In your case, I think something like the steps below happens. My understanding is that there are several steps to starting an operating system. I think over-writing the Windows partition's VBR caused this problem. The information in the pastebin this link points to will (I hope) help us diagnose the problem. Please update/edit your question and add this URL. When the bootinfo summary has been created, boot-repair will display a message containing a URL which should look like this.This will collect information about your system's boot configuration, but will not make any changes. Click on the Create a Bootinfo summary box/button. The tool will now scan your system and (eventually) display the window shown in the image below.If boot-repair asks to install the pastebinit package, respond with Yes.Since you just installed the newest version, answer No.
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After a slight delay, boot-repair will ask if you want to download its newest version.After that completes, enter the command boot-repair to start the tool.sudo add-apt-repository ppa:yannubuntu/boot-repair Run the commands below in a terminal window to install the boot-repair tool. Since you can still boot Ubuntu, you can install and run the Boot-Repair tool using the apt-get command and then use it to Create a Bootinfo summary.
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How to use boot-repair to provide a "Bootinfo Summary" However, the report I am asking for contains more detailed information and might give us a better understanding of why you are unable to boot Windows using GRUB. I know you have already provided some details about your boot configuration. Could you create a Bootinfo Summary report using the boot-repair tool as described below and then post the link to the report?