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Windows 7: Fixed Windows - But Now Grub is Gone?

08 Oct 2010   #21

Windows 7

My workaround was to use Windows 7 default loader, NOT grub. It has two options: 1 for Linux, the other for Windows. Choosing the linux option boots into grub. So basically, bypass GRUB.

I just checked this configuration out, because I haven't used Linux in months (and -gasp- I've been more productive). Problems ensued. I chose Linux, and loaded Linux from Grub, and the system froze. Upon rebooting, my BIOS did not recognize any operating system at all. It only seems to work when the Windows 7 installation disc is in there. I 'll report back soon. If not, that means my computer died once again because of dual-booting issues, and I've checked myself into a mental institution.

My System SpecsSystem Spec
08 Oct 2010   #22

Windows 7

OK, good news; both OS's work, without assistance (i.e. live CD, installation CD, etc.) But, as the previous post illustrated, risks may be inherent, and you definitely want to back up all data.

Windows 7 ultimate, fully updated.
Ubuntu 10.04 (Linux 2.6.23) with GRUB version 1.98
Sony Vaio VGN-FS840/W laptop.

Nothing complex went into making these two OS's work on the same disk. It is only necessary that Windows is installed AFTER Linux. This effectively over-rides GRUB as the default bootloader. Windows loader has no problems, and recognizes Linux fine.
My System SpecsSystem Spec
08 Oct 2010   #23


Did you use the Linux tab on EasyBCD 2.0 Add OS function?

If not how exactly did you add Linux to Win7 bootloader after installing Win7 last? Did it autoconfigure a dual boot for you during Winstall?

And how did you rid of GRUB? It seems to corrupt Win7 in many cases unless it is wiped from HD or at least partition.
My System SpecsSystem Spec

09 Oct 2010   #24

Windows 7

I installed Windows 7 after Linux. The windows bootloader over-wrote the GRUB loader. Insofar as boot priority goes. I mean, GRUB is not deleted, but it does not load before the Windows loader. I don't remember doing anything special to achieve this during the Windows 7 installation process. Obviously, make sure that the partitions are kept intact. If there is to be a unique primary partition, select the Windows partition to be the primary one.

No special instructions were carried out. Windows 7 takes care of the process quite nicely.
My System SpecsSystem Spec
13 Aug 2011   #25

Windows 7 Home 64bit

Sorry to resurrect an old thread and everything but I recently had to restore windows to factory defaults and after the first reboot, I git stuck in a boot loop. Before the reinstall I had windows 7 and ubuntu 10.10 running flawlessly together with GRUB being the primary bootloader. Now, all I see is the acer logo flash over and over again. I originally thought that that it was a problem with the NTFS partition that windows had installed on but I realized that if that were the case, I would still be able to get to GRUB and boot Ubuntu but the menu isn't even coming up. I guess what I'm asking is why isn't the windows 7 bootloader loading like it should be since I reinstalled windows? I haven't tried to reinstall GRUB yet but I will when I get a chance and report back.
My System SpecsSystem Spec
13 Aug 2011   #26


Make sure Win7 partition or it's 100mb System Reserved boot partition (preferred) is marked Active first: Partition - Mark as Active (Method Two)

Boot the Win7 DVD Repair console or Repair CD to run Startup Repair up to 3 times with reboots or until Win7 starts.

Be aware that GRUB on the same HD can render Win7 irreparable until the driver is wiped of boot sector corruption. DISKPART At PC Startup
Clean and Clean All with Diskpart Command
My System SpecsSystem Spec
14 Aug 2011   #27

Microsoft Community Contributor Award Recipient


As the Acer partitioning tool has been used on the HD, you need do a Clean all & full format.
Than use the Acer Recovery Disks. & Linux.

Try a full clean & full format in command prompt.
Type in command line

SSD / HDD : Optimize for Windows Reinstallation

Manual how to use Acer eRecovery Management here:'s%20guide/Acer%20eRecovery%20Management%20English.pdf

You can Order Acer recovery disks from here:
My System SpecsSystem Spec

 Fixed Windows - But Now Grub is Gone?

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