Ubuntu :: Reinstalled But Win7 Still Loads And Bypasses Grub2
May 4, 2010
On this dual-boot machine I have Ubuntu installed on hd0 (/dev/sda), Windows 7 is installed on hd1 (/dev/sdb). The mbr for Ubuntu is on /dev/sda1. After installing Windows I went through the steps to reinstall grub2 on /dev/sda1, but Windows 7 kept loading. So I went ahead and upgraded to 10.04, expecting the upgrade to overwrite the correct MBR, but this didn't work either. When I was looking at the advanced options in the 10.04 installation I noticed Windows 7 had an MBR in /dev/sdb2. If I installed grub2 to this partition should it overwrite 7's bootloader and allow me to load from grub2? Or is there something else I should be looking for to resolve this problem?
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Mar 7, 2011
As a big supporter of Ubuntu, after installing Ubuntu 10.10 on my mums laptop i decided to also install it on my sisters Acer Aspire one netbook.
The specific netbook had pre-installed Win7 starter. Everything went really smooth with the installation with ubuntu 10.10, Grub menu was also loading pretty well but when i chose to load on windows it loads the recovery partition of the hard drive.
The issue is that the netbook, like most netbooks and laptops, has a hidden partition which is used to recover Windows on the system. My Grub2 loader added this partition as an option to load windows with result me not be able to boot on windows ...well i do can load but it loads the recovery of windows.
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Aug 21, 2011
I just finished my Windows 7 reinstall, and I go to reboot into Linux, and there's not grub loader. I go into a live CD and get into the grub prompt. Here's what I got:
sudo grub
grub> root (hd0,0)
grub> setup (hd0)
Error 17: Cannot mound selected partition
As for additional information, my fstab is listed below:
aufs / aufs rw 0 0
tmpfs /tmp tmpfs nosuid,nodev 0 0
/dev/sda6 swap swap defaults 0 0
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Oct 15, 2010
I've reinstalled Grub2 multiple times before, but Ubuntu was on /dev/sda1, now it is not. Here is my partition table:
/dev/sda1 - 105GB - Windows
/dev/sda2 - 200GB - Extended
/dev/sda5 - 110GB - Media
[code]....
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Sep 10, 2010
The screen will show a blinking cursor for a few seconds. The keyboard works and a signal is found for the speakers. Then the 'Ubuntu' loading screen will show but at this point the screen would freeze and the keyboard will cease to function. At this point I have to reboot from the on/off switch. It can take several attempts before the desktop will load, or if I'm lucky, it'll load up first time. I've had this problem since 9.10. I'm not quite sure why it's taken me this long to attempt to sort it out.
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May 1, 2010
I had a dual boot working fine with XP and F12 on two physical drives, all was well. Last night my friend helped upgrade my system, I now have 3 drives (20gig F12) (60gig XP) and (320gig Win7) now the PC only loads Win7 as I think my friend told bios to boot from 320gig. Has anybody here got experience with triple boot from 3 drives? Here is my guess, tell bios to boot from other drive and add Win7 to grub. Not sure how but that's my guess. Also what worries me is that win7 does not "see" the other two drives.
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Jan 12, 2011
I am newbie in Linux and Ubuntu. Need qualified help I've installed Ubuntu on my first drive. And I have Windows 7 on second drive. At the begining the problem was that GRUB2 didn't see Win7 loader. I red GRUB2 manual and find solution which says to add some text to the file /etc/grub.d/40_custom. So I did this and here is my 40_custom content:
Code:
#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries. Simply type the
[Code]...
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Feb 28, 2011
I installed Win7 on a 2-disk RAID0 fakeraid. I then unplugged those drives and installed linux mint on a separate drive. I did it this way because if I left the drives plugged in, linux would jack up the fakeraid for those drives and make windows upbootable, and installing linux to the fakeraid itself is just too much of a PITA. So basically, this is the disk configuration, and there's no chance of me changing it.
Right now, I can boot into either win7 or mint by pressing F12 for the boot menu, and then selecting the drive the os is installed on. It would be nice if I could just add an entry to the grub menu for win7. I've used the menu.lst file before, but apparently all that has changed with grub2. I've checked out some of the grub2 docs and poked around in /etc/grub.d, but frankly, it seems to be orders of magnitude more complicated than it should be.
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Dec 24, 2010
I have a win7/10.10 dual-boot set up, more or less following the lifehacker.com tutorial (I know, I know). I had to reinstall windows, and its taken over the MBR so that only win7 boots now. My shared drive and the ubuntu filesystem are still there, I just can't get to them without a boot cd. So, I tried to follow the tutorials, which all basically say to reinstall grub or grub2. I tried one method, but ubuntu told me that installing grub2 anywhere but the MBR was a bad idea
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May 7, 2010
I have a Dell Studio 14 laptop with Windows 7 64bit preinstalled. The processor is core i5 and the machine has 4GB RAM. I freed 25GB of memory from my Hard disk and tried to install Ubuntu 10.04 (AMD). Everything went fine. I restarted and Logged into Ubuntu. It worked like a charm. Then I restarted to Windows7. This also worked well as expected.
But, when I rebooted again, I got a black screen saying that �No modules found. Press any key to restart�
When I press a key, it says �No operating system found�, probably after checking through a network (it printed lines starting with PXE).
I tried exactly in the same way with Ubuntu 8.04 in my machine, and this worked without any problem. The Bootloader was not corrupted after restarting from Windows. I noticed the problem with Ubuntu 9.10 and 10.04. I feel like a problem regarding the bootloader version. AFAIK, 9.10 and 10.04 is using GRUB2 when 8.04 use the old version of GRUB. Will I have to switch to the legacy GRUB? (I would love to keep using GRUB2). If yes, I would like to know How.
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May 11, 2010
I have a Dell ZINO HD and dual booted fine prior to 10.04. Grubs seems to not identify the Win7 OS partition correctly. According to Disk utility DEV/SDA1 is a DELL utility partition, DEV/SDA2 is the RECOVERY partition, DEV/SDA3 is my Win7 OS partition...and DEV/SDA5 is my Linux partition. Ubuntu boots fine... but with GRUB using SDA2 (HD0,2) for win7 I cannot boot to it... is there a fix?
The following is in my GRUB.CFG file
### BEGIN /etc/grub.d/30_os-prober ###
menuentry "Windows 7 (loader) (on /dev/sda2)" {
[code]....
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Sep 16, 2015
I'm running OpenVPN service on both debian server and client. When start connection between client and server, I expect all the computer traffic (except ARP and DHCP requests) go through created tunnel. However, when I capture packets on wlan0 on client (the only connection going outside host) using Wireshark, I can see DNS requests visible and sometimes incoming TCP traffic as well, but most of the traffic is going through tunnel as expected. I provide both configurations of client and server and client routing table for inspection. I changed server address to avoid server exploitation in the case of some big configuration mistake.
Commands to run OpenVPN services are:
Code: Select allFor client: sudo openvpn --config /etc/openvpn/client.conf &
For server: sudo openvpn --config /etc/openvpn/server.conf &
**Client routing table when VPN is OFF**
Code: Select allKernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
default 192.168.1.1 0.0.0.0 UG 1024 0 0 wlan0
192.168.1.0 * 255.255.255.0 U 0 0 0 wlan0
[code]...
I searched through many forums and documentation and I found, that for all the traffic going via VPN is command: *push "redirect-gateway def1"* neccessary, however, I have leaks despite this command being in place. I already spent over 2 days with this and tried to configure it in many ways, now I have no clue what I'm missing.
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Apr 18, 2011
I have been running ONLY linux (ubuntu) on my computer for years now. However, a friend sucked me back into the world of MMO's (angry fist @ RIFT). So, I decided to pick up a new disc, slap windows 7 on it and now want to dual boot.Basically I had to do some disc juggling to get windows to play nice. So my windows drive is now first, then my Ubuntu drive second.Its been a while so I'm wondering how involved / what would be the steps to get grub2 to chainload into windows7 (in my head I want to say I'm going to boot into the live cd, mount the windows disc and reinstall the loader to the windows drive since its the first disc in the chain?)
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Dec 31, 2010
Just installed Ubuntu 10.10 onto my new netbook from a USB stick. The laptop came with Win7 Starter, which I kept on a small partition. Installation was apparently successful, but when I start up the computer, it will go straight to Win7 and GRUB doesn't appear.
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May 2, 2011
I had vista installed, then I installed Win7 on a dif. partition. Then I installed Ubuntu 11.4 over the vista partition (formatted first), and now I can't get into Win7. I'm really at a loss. I've tried the Win7 disk, and it doesn't detect the Win7 installation. I've also tried sudo update-grub, and it doesn't seem to detect the win7 install either. I've tried making the Win7 partition bootable using gpart as well. I'd like to dual boot Win7 and Ubuntu, however I need to do that.
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Apr 23, 2011
i installed ubuntu after windows 7 but now i cant boot windows 7 i tried the start up repair and I've read through some questions answered on here and int figure out the problem i don't want to uninstall ubuntu unless it's my only option
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Sep 1, 2011
i have ubuntu 10 and win 7 dual booting on one hdd, all of a sudden grub says error no such partition when i select windows at the boot menu. and i cant get to the win7 partition from ubuntu (to play music and stuff, this used to work, places, mount filesystem, 250 gigs whatever). i've tried the stuff in these links and nothing has worked so farpartition info
sudo fdisk -l /dev/sda
Device Boot Start End Blocks Id System
/dev/sda1 1 29094 233697523+ 7 HPFS/NTFS
/dev/sda2 * 29095 30401 10498477+ 83 Linux
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Jul 21, 2010
This is the first time I have run into issues mounting windows shares but I really can't figure this out. Can someone put me out of my windows misery please.
First off, last week I rebuilt my work PC fromWIN7 32bit to WIN7 64bit since then I can no longer mount the window share on my ubuntu server:
I recreated my windows share called "Linux" and used the properties, advanced sharing and added everyone, full access and my domain account full access.
If I browse to \ipaddress I can see my share and access it. From a XP machine I can see the share and access it.
From linux I use the same mount point as before, /linux I use the same fstab and it fails
Code:
I try this manually now:
Code:
Next I try to mount it:
Code:
I looked at my firewall rules and they seem ok.
Next test was connecting to my 2nd pc on windows XP no probs mounted first time.
What is wrong with my new Win 7 setup?
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Jun 8, 2011
I had ubuntu and linux mint running with xp, then I had to reinstall xp. Now I can't boot into ubuntu/mint as GRUB is missing if I am correct? I looked at AutoSuperGrubDisk, but all I can find to download is super grub disk and super grub2 disk? I do have my ubuntu disk still, can I do it from there, if so how?
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Feb 20, 2010
So after much hate of Ubuntu One I uninstalled, --purged, and got rid of it. No I'm thinking of giving a second chance. I reinstalled, but IT JUST WON'T SYNC. It's just says your files are up to date...
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Oct 9, 2010
I reinstalled windows and now my grub is gone. On the officaLubuntu help page thing [URL] and this one i found on howtogeek [URL]. Which on should i use? And how do discover if my ubuntu partion is hda(0,0) or hda(0,1)? Sorry for the longness of the link, i dont know if it is the forum or my ipod, but i couldn't make a better hyperlink.
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Apr 25, 2010
Every time I try to install an application I get this:
Code:
sudo apt-get install gsmart
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: The package opera needs to be reinstalled, but I can't find an archive for it.
What should I do? I try to reinstall opera but when I double the .deb package it says unable to install/ the package may be damaged and I have downloaded a fresh copy for about 4 times now!
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Jan 7, 2011
My laptop has two hard drives with XP on the first and Ubuntu 10.10 on the second. Everything was going fine until I decided to reformat and reinstall XP on the first hard drive. Now, when I get to the GRUB screen and select XP, nothing happens. When I originally installed Ubuntu,I had to go into the BIOS and change the boot order to the second hard drive in order to get GRUB, but I could still boot into XP. Now the only way to boot into XP is to go back into BIOS and change the boot order back to the first hard drive. I only use XP for AutoCAD, but I would like for GRUB to work properly. I already tried "sudo update-grub" and it didn't change anything.
[code]...
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Mar 27, 2011
I found myself with a deactivated version of windows and after trying everything my only solution was to do a clean install of windows 7 service pack one, so I did this everything worked fine but then the windows bootloader tookover again, so I used this method to fix that:
[code]...
now is after doing this and reinstalling grub, when I select Win7 in grub I get the no such device error, so I'm pissed because now I can't boot windows when I was just getting back to normal, the good news is I can still boot ubuntu with nothing but a minor graphics error on the way in but that doesn't effect anything anyway.
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Apr 13, 2011
I have a laptop with two hdds. Winsows XP is loaded on the first, and I used the second hdd to play around with linux distros. I had Linux Mint and Zorin installed on the second hdd and everything was working fine. I decided I wanted to go back to Ubuntu 10.10, so I installed it to the second hdd, overwriting everything on it. Everything seemed to go fine, but when I went to restart from the install, I got some sort of I/O error and since then my laptop wont boot at all. I have tried telling it to boot from different hdds n the Windows BIOS. I have also tried 2 different live dvds of Ubuntu 10.10, all to no avail. All I get is a blank screen with a flashing cursor.
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May 30, 2011
I dual-boot XP and Ubuntu, and I just did a clean install of Ubuntu 11.04 to a freshly formatted hard drive.
However, it put GRUB on the wrong drive (The XP drive, not the Ubuntu drive) and so I had to restore XP's Bootloader then formatted and reinstalled Ubuntu again
(Yes there was probably an easier way to do that, but my way would have been quicker than trying to find out an easier way and I already knew it would work)
The problem now is that my graphics card performance doesn't seem as good on the 2nd install as it did on the first - windows won't animate when minimising etc and there's some lag earing when the login screen comes up.
I installed exactly the same way both times and yet it does something different both times.
How can I fix this problemperformance issue?
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Mar 7, 2010
i initilally installed ubuntu 9.10 then installed windows 7 ,then i recovered grub2 using livecd as told in the post [URL] i did "sudo update-grub" and got windows 7 menu entry but when i select that entry windows 7 does not load but the grub2 is reloaded again.
i cant boot to windows 7.
Windows 7 have 100 mb partition "System Reserved" the grub2 points to that partition but still windows 7 not loaded.
sudo fdisk -l
Disk /dev/sda: 320.1 GB, 320072933376 bytes
255 heads, 63 sectors/track, 38913 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x3c3a81f5
[Code]....
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May 17, 2010
I went through so many post but I haven't found the proper answer yet hope you have an Idea1. Grub2 saves only Linux OS as last selected no Windows OS2.It is possible to boot into a cdrom (drive)?
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Mar 17, 2010
there were some issues with my yum installation where it would not install things properly... after several attempts to do a re-install of yum and some reading, the only recourse i had was to take yum out of the system and start from scratch, all other efforts to re-install (FTP, wget, ect.) have all failed. c
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Mar 4, 2010
if I make a usb key a install key. Can I go in there and updated the ubuntu and then install the new updates when I reinstall the drive.
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