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Windows 7: windows and ubuntu won't boot after bsod, possible virus

02 Jan 2015   #31
cottonball

Windows 7 Home Premium
 
 

gregrocker,

Will you check this, please?

windows and ubuntu won't boot after bsod, possible virus

Why is nothing marked active?



This ol' dog got to get some Zzzzzzsss....


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My System SpecsSystem Spec
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02 Jan 2015   #32
exeviss

Windows 7 Professional 64 bit
 
 

None of that looks familiar to me, It almost looks like an entirely different drive. Both my Linux and windows disks are marked active in disk management and I'm currently trying to mark the linux drive inactive as gregrocker requested.
My System SpecsSystem Spec
02 Jan 2015   #33
gregrocker

 

exeviss, assign a drive letter to the partition to mark it Inactive.

Cottonball, the drive you pictured is an EFI system on a GPT disk, which have no Active flags or MBR.

Only on an MBR disk, the Active flag points to the System partition intended to boot Win7. If it is moved it must have the System boot files (signified by the System flag) moved as well or it won't boot. During the moving of the System boot files, the System partition is also made bootable using bootsect which is why it requires a process and not just copying the files:
Startup Repair - Run 3 Separate Times
Bootmgr - Move to C:\ with EasyBCD - Windows 7 Forums
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02 Jan 2015   #34
cottonball

Windows 7 Home Premium
 
 

Quote:
Cottonball, the drive you pictured is an EFI system on a GPT disk, which have no Active flags or MBR.
Thanks gregrocker! Was wondering about that...couldn't tell it was an Extensible Firmware Interface (EFI) on a GUID Partition Table (GPT) disk. I have not kept up with all of this.
My System SpecsSystem Spec
02 Jan 2015   #35
exeviss

Windows 7 Professional 64 bit
 
 

It seems I'm not able to assign a drive letter to any of the linux partitions because they are not ntfs. The option is greyed out in disk management.

edit: Maybe I'm using the wrong guide

Drive Letter - Add, Change, or Remove in Windows

Will EasyBCD remove the active flag? Reformatting to ntfs is kind of a hassle
My System SpecsSystem Spec
02 Jan 2015   #36
cottonball

Windows 7 Home Premium
 
 

exeviss,

The Linux file system is not supported by windows.
To my understanding, Windows canít read Linux partitions without third-party software.

In Disk Management, can I assume that Disk 1 is all Ubuntu?

Are you trying to remove the Active flag on the 18.63 GB (Active, Primary Partition)?
My System SpecsSystem Spec
02 Jan 2015   #37
exeviss

Windows 7 Professional 64 bit
 
 

yes disk one is 100% ubuntu. I'm just going to remove the drive while I do repairs.
My System SpecsSystem Spec
02 Jan 2015   #38
cottonball

Windows 7 Home Premium
 
 

An option is running the Diskpart commands to set the Ubuntu partition inactive:

Start the computer, and tap the F8 key until you get to the Advanced Boot Options menu
Use the arrow keys to select the Repair your computer menu item

From there...
Select your language settings, and click: Next
Select your User account and click: OK (If you did not set a password, leave blank.)

On the System Recovery Options you get the following options:
Startup Repair
System Restore
Windows Complete PC Restore
Windows Memory Diagnostic Tool
Scan your computer's memory for errors
Command Prompt

Select: Command Prompt

Press ENTER after you type in each of these commands (in red) (not case sensitive):

DISKPART (to open the partition utility)
LIST DISK (disk number(s) shown)
1 (select disk: 1 where Ubuntu is contained, if that is the case)
LIST PARTITION (partition numbers shown)
n (where n is the number of the Primary partition you wish to make Inactive)
INACTIVE (the selected partition on the selected disk is made Inactive)

EXIT (to exit DiskPart)
EXIT (to exit the Command Prompt)

Restart the computer, and go to Disk Management. Is the Partition inactive?


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My System SpecsSystem Spec
02 Jan 2015   #39
gregrocker

 

Someone who knows Linux will have to say for sure if it could/should have an Active partition, as it could be misreporting by Disk Mgmt which normally can't even show Linux partitions.

If Diskpart can't work then just unplug the drive while doing the repairs. Later you can plug that drive in alone to make it bootable using GRUB, or if you want to add it to a Windows Dual Boot menu follow Dual boot Ubuntu-Win7

I'm sorry I'm swamped here with installs for friends before I change coasts so am only able to check infrequently.
My System SpecsSystem Spec
02 Jan 2015   #40
exeviss

Windows 7 Professional 64 bit
 
 

I'm trying to go through the bootrec.exe steps again with the ubuntu drive unplugged. Now I'm getting a message I didn't get before. When I run

ren c:\boot\bcd bcd.old

it tells me that a duplicate file name exists or the file can not be found. Duplicate would make sense because I already went through these steps before. Should I modify it to another name? if so how?

edit: found this post

BCD missing status:0xc000000f & Diskpart won't list my main partition

Quote   Quote: Originally Posted by Kaktussoft View Post
Quote   Quote: Originally Posted by tisungeni View Post
bcdedit /export c:\bcd_backup
c:
cd boot
attrib bcd-s-h-r (here it says file not found)
ren c:\boot\bcd bcd.old (here it says a duplicate files exists)
bootrec /rebuildbcd ( here it scans but doesn't find any windows installations)
You did export bcd store succesfully.

attrib bcd-s-h-r should be: attrib -h -s -r bcd

ren c:\boot\bcd bcd.old should be: ren c:\boot\bcd bcd.old2
if bcd.old alreadyy exists. Those commands are not needed at all btw!! No reason (yet) to beleive bcd store is corrupt.
so "ren c:\boot\bcd bcd.old2" is what I want right? I was thinking "ren c:\boot\bcd bcd2.old" but I didn't want to just guess so I googled what I thought the command could be.
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 windows and ubuntu won't boot after bsod, possible virus




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