Recently I tried to install Ubuntu 11.10 on a windows 7 machine. The installation froze twice right after the initial purple ubuntu splash screen and after the progress bar stoped responding (no cd or hdd activity for more than 20 minutes). Both times when I tried to reboot my computer back to windows 7 the computer restarted by itself right after loging in to windows giving me a "Systemboot fail or POST interrupted...." message. After pressing F1 to coninue the machine booted just fine to windows. I didnt gine any attention to this problem since it only happened 2 times and right after the failed ubuntu install. After that I installed some other linux distro. So now every time i boot in linux and try to reboot to windows 7 I get an extra reboot at login. Tried to repair windows startup but nothing happened. Also tried to look for blue screens before the restart but none is recorded. Any ideas ?
closed as off topic by fossfreedom♦ Mar 20 '12 at 20:36
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maybe it works if you shutdown Linux and boot Windows from a cold start.
It also might help, not to mount windows partitions in linux, if you do not need them. You can remove them from
if they are in there and you do not need them.
It als might help to add more information about your system into your question. Especially interesting is, whether there is any information on what is going wron in windows (blue screen???)?
Greetings from Switzerland, Michael
this is my fstab
so i guess the windows partition does not get mounted
There are two ways I would attempt to handle this.
First, I'd try boot repair as outlined in the Ubuntu wiki:
after boot repair, I'd then just boot from live cd again & choose repair existing system.
Then next way I'd resolve is to boot ot Windows & delete the partition that Ubuntu tried to make. Take care that it is not any partition that is being used by Windows else you will encounter more serious issues. After I successfully deleted that partition, I'd start over with the installation process. Before installing, check the disk integrity via md5sum
for errors or simply download & burn a new installation CD.
Download GParted partition manager from Ubuntu software center. Find the partition that windows is installed on (probably dev/sda1). It may show you exclamation mark. Right click on it and click "manage flags". Check "boot". Restart your computer with Windows 7 DVD is mounted. Click to repair, and let the installer fix your Windows 7 boot. Then the installer will say you the problem is repaired. Restart your computer and select Windows 7. That's all.