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I have trouble with dual boot. Pleas help me.

Problem looks like this:

First, soon after instalation of ubuntu i have dead system – grub rescue, i get rid of grubrescue with boot-repair + ATA suport checked, recomended repair does nothig. Then i can acces to grub boot options, but not working for win boot - a disk read error occured. After applying grub repair with different settings i have always same result.

It looks like if i aply grub repair, then grub make windows boot sequence dead; owerwriten, and ntfs partitions unrecognizable. I have grub menu with options, but it came out after tvice repeated message error: no device connected.

If i use grub-repair to repair MBR then MBR make linux boot sequence dead; owerwriten, and linux partitions unrecognizable. Windows start imediatley, no screen with boot options. So i can made my sistem boot into win or ubuntu via live session and boot repair fo MBR or GRUB. In win i put easyBCD, but i have analog problem with bootig ubuntu, i have boot options screen but ubuntu does not work.

Watch some details about tvice repeated error: no device connected, and analog mesage when booting ubuntu from easyBCD.

I have made three instalations of ubuntu. In first i had tried to make separated boot partition inside 100G, and put grub ino it – with no result. In second instalation i put both OS inside first 100G of HDD and made separate grub partition– agan no result. In third i deleted separate grub partition, cause both OS inside first 100G of HDD.

My forum search resulted in steps like:

  1. put grub here or there ie sda, sdax, or in separated partition sday.

  2. find location of grub files and point sistem on them.

Do it using terminal or grub-repair

For me this does not work. I have worikng grub witch is unusable to boot win, or i have working win wih no grub adderd easyBCD in win had no way to boot ubuntu.

In boot info scripts i have rpeatedly thinghs, by my opiniom ugly, that shoud not be there: like hexdump tables of sda1,2=win7 on the end saying ...TFGHT is missing... TFGHT is compr essed...Press Ct rl+Alt+Del to restart… and disk read error occurred BOOTMGR is missing BOOTMGR is compr essed...Press Ct rl+Alt+Del to re start.

I connect this two vith mentioned »welcome« in the begining of boot from grub and twice repeated: no device connected.

And:

346 Unknown BootLoader on sda3 --- this is extended partitin Table, red strings from 355 – 00000070 to 366 – 00000120 XXXpaste.ubuntu.com/6124520

I connect this with failed win load temptation resulted in a disk read error occured.

So if i fix grub and start win i have two errors

error: no device connected

error: no device connected

and if i fix MBR, than from easyBCD start ubuntu i have two erros too:

fatal! Inconsistent data read from (0x80)314311665+127 (=314311792)

fatal! Inconsistent data read from (0x80)314311725+1

maybee it is matter of the same thing, cause of sumilar behavior.

About instalation of ubuntu:

I have more versions of 12.04: 701,2Mb, checked cd with option before instalig, but no isoMD5 check, cause i cant find it, cause now is out newer version 707Mb, i checked MD5, and checked burned dvd. For 701,2Mb md5 is d791352694374f1c478779f7f4447a3f, but i dont find md5 original any more.

This is important cause i cant use 707Mb cuse it freeze after gray screen, start to blink, no vay to live session. 701Mb i can use with trick that i go first in live session, disable ubiquity slide show and after i go to install.

Im tentated to try linux mint, but it is ubunto based, instalation goes wih same mechanics, so… ?

My sistem is:

Win7 + ubuntu 12.04

Note book:

ASUS L3D (L3000D)

2000+ mobile Athlon XP processor 32bit

Advanced SiS® 650+961 Chipset 

SiS® 650 Integrated Graphics            ubuntu info: VESA: 6325

1GB DDR SDRAM Standard

250GB HDD

Bios: (L3D latest BIOS 0115) - 0115a 

matjaz@matjaz-L3D:~$ lspci

00:00.0 Host bridge: Silicon Integrated Systems [SiS] 740 Host (rev 01)

00:01.0 PCI bridge: Silicon Integrated Systems [SiS] AGP Port (virtual PCI-to-PCI bridge)

00:02.0 ISA bridge: Silicon Integrated Systems [SiS] SiS962 [MuTIOL Media IO] LPC Controller (rev 04)

00:02.1 SMBus: Silicon Integrated Systems [SiS] SiS961/2/3 SMBus controller

00:02.5 IDE interface: Silicon Integrated Systems [SiS] 5513 IDE Controller

00:02.6 Modem: Silicon Integrated Systems [SiS] AC'97 Modem Controller (rev a0)

00:02.7 Multimedia audio controller: Silicon Integrated Systems [SiS] SiS7012 AC'97 Sound Controller 
(rev a0)

00:03.0 USB controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f)

00:03.1 USB controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f)

00:03.2 USB controller: Silicon Integrated Systems [SiS] USB 1.1 Controller (rev 0f)

00:03.3 USB controller: Silicon Integrated Systems [SiS] USB 2.0 Controller

00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 PCI Fast Ethernet (rev 90)

00:0a.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev aa)

00:0a.1 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev aa)

00:0a.2 FireWire (IEEE 1394): Ricoh Co Ltd R5C552 IEEE 1394 Controller (rev 02)

01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS] 65x/M650/740 PCI/AGP VGA 
Display Adapter

I documented all steps i had done like folows:

In the beginig i have only w7 OS.

Instaled ubuntu:

Boot-repair default XXXpaste.ubuntu.com/6077013/

not working:

By ubuntu instalation i chosed automatic, and I moved slider betven tvo parts of disk, this situatition is result:

warning: extended partition does not start at a cylinder boundary. DOS and linux will interpret the contents diferently.

Boot-repair + out of disk XXXpaste.ubuntu.com/6077014/

Situation 1

error: no device connected

error: no device connected

Grub boot loader ok,

ubuntu ok

win 7 not start:

a disk read error occured

press ctrl+alt+del to restart

Boot-repair restore MBR: XXXpaste.ubuntu.com/6079515/

Situation 2

win 7 start directly, no grub, no dual boot

Boot-repair reinstal grub + place on sda XXXpaste.ubuntu.com/6080320

not working:

…error no such partition

Grub rescue>

Boot-repair default XXXpaste.ubuntu.com/6080431

…error no such partition

Grub rescue>

Boot-repair + out of disk XXXpaste.ubuntu.com/6080874

Got Situation 1

Terminal-Boot-repair

Know you root partition

sudo su
fdisk –l

Device Boot      Start         End      Blocks   Id  System
/dev/sda1            2048      206847      102400    7  HPFS/NTFS/exFAT
/dev/sda2   *      206848   314311619   157052386    7  HPFS/NTFS/exFAT
/dev/sda3       314312702   488396799    87042049    5  Extended
/dev/sda5       314312704   486430719    86059008   83  Linux
/dev/sda6       486432768   488396799      982016   82  Linux swap / Solaris

Mount the root partition

sudo mkdir /mnt/temp
sudo mount /dev/sda5 /mnt/temp

Be the CHROOT

for i in /dev /dev/pts /proc /sys; do sudo mount -B $i /mnt/temp$i;  done

sudo cp /etc/resolv.conf /mnt/temp/etc/resolv.conf

sudo chroot /mnt/temp

root@ubuntu:/#_

Purge Grub 2 packages

apt-get update

apt-get purge grub grub-pc grub-common

Re-install Grub packages

choose the option in the format of sdX sda. DO NOT select the drive partition in 4 letter format

apt-get install grub-common grub-pc

Update the grub and exit the chroot:

update-grub 

exit

Unmount the partition:

for i in /dev/pts /dev /proc /sys; do sudo umount /mnt/temp$i ; done

before XXXpaste.ubuntu.com/6084399

now XXXpaste.ubuntu.com/6084820

317 Unknown BootLoader on sda3

Restart and:

Error: no such partition.

Grub rescue>_

Grub rescue>ls

(hd0) (hd0,msdos2) (hd0,msdos1) (fd0)

Grub rescue>_

Separated boot partition:

After win moved: XXXpaste.ubuntu.com/6105871

358 Warning: extended partition does not start at a cylinder boundary.

DOS and Linux will interpret the contents differently.

Gparted, align with cylinder

aligned – no warning XXXpaste.ubuntu.com/6106666

=================== parted -l:

Model: ATA WDC WD2500BEVE-0 (scsi)

Disk /dev/sda: 250GB

Sector size (logical/physical): 512B/512B

Partition Table: msdos


Number  Start   End     Size    Type      File system     Flags

4      32.3kB  1053MB  1053MB  primary   ext4

1      1053MB  1160MB  107MB   primary   ntfs

2      1160MB  160GB   159GB   primary   ntfs            boot

3      161GB   250GB   89.1GB  extended

5      161GB   249GB   88.1GB  logical   ext4

6      249GB   250GB   1006MB  logical   linux-swap(v1)

Boot-repair + out of disk + place grub on sda4 XXXpaste.ubuntu.com/6106945 Situation 1, again

easy BCD:

does not start ubuntu

easy BCD +neo grub manual entry:

from repot i have:

menuentry 'Ubuntu, with Linux 3.2.0-53-generic-pae' --class ubuntu --class gnu-linux --class gnu --class os {

    recordfail

    gfxmode $linux_gfx_mode

    insmod gzio

    insmod part_msdos

    insmod ext2

    set root='(hd0,msdos5)'

    search --no-floppy --fs-uuid --set=root 93b106ab-6fd5-4fd3-bddd-241adfb663c1

    linux   /boot/vmlinuz-3.2.0-53-generic-pae root=UUID=93b106ab-6fd5-4fd3-bddd-
241adfb663c1 ro   quiet splash $vt_handoff

    initrd  /boot/initrd.img-3.2.0-53-generic-pae

=================== parted -l:

Model: ATA WDC WD2500BEVE-0 (scsi)

Disk /dev/sda: 250GB

Sector size (logical/physical): 512B/512B

Partition Table: msdos


Number  Start   End     Size    Type      File system     Flags

4      32.3kB  1053MB  1053MB  primary   ext4

1      1053MB  1160MB  107MB   primary   ntfs            boot

2      1160MB  160GB   159GB   primary   ntfs

3      161GB   250GB   89.1GB  extended

**5**      161GB   249GB   88.1GB  logical   ext4

6      249GB   250GB   1006MB  logical   linux-swap(v1)

Manual entry in neo grub:

timer=10 title Ubuntu find --set-root /boot/ vmlinuz-3.2.0-53-generic-pae kernel /boot/ vmlinuz-3.2.0-53-generic-pae ro root=/dev/sda5 initrd /boot/ initrd.img-3.2.0-53-generic-pae

after restart got BCD menu, select ubuntu… : Booting ubuntu

Long time nothing hapens…

*fatal! Inconsistent data read from (0x80)314311665+127*

Long time nothing hapens…

*fatal! Inconsistent data read from (0x80)314311725+1*

soon ater HDD start to be abnormaly loud, like never heard

*find --set-root /boot/ vmlinuz-3.2.0-53-generic-pae*

soon after it stops to be loud

*error 15: file not found

grub>

grub> root (hd0,4)

fatal! Inconsistent data read from (0x80)314311665+127

fatal! Inconsistent data read from (0x80)314311725+1

error25: disk read error

grub> find /vmlinuz-3.2.0-53-generic-pae

(hd0,3)

fatal! Inconsistent data read from (0x80)314311665+127

fatal! Inconsistent data read from (0x80)314311725+1

grub>*

If i want to look in (hd0,4) does not success, if i search vmlinuz-3.2.0-53-generic-pae, is fond in extended partition.

Lets take a look where is (0x80)314311665+127 and (0x80)314311725+1:

I think this is from easy bcd with no neo grub, numbers are same, but with neo grub strange things hapen with HDD. Neogrub goes worst.

Start…

initialize variabile space…

starting cmain()…

fatal! Inconsistent data read from (0x80)314311665+127 (=314311792)

fatal! Inconsistent data read from (0x80)314311725+1


Device Boot      Start         End      Blocks   Id  System

/dev/sda1   *     2056320     2265164      104422+   7  HPFS/NTFS/exFAT

/dev/sda2         2265165   312271469   155003152+   7  HPFS/NTFS/exFAT

/dev/sda3       314311725   488396799    87042537+   5  Extended

/dev/sda4              63     2056319     1028128+  83  Linux separate boot

/dev/sda5       314311788   486432134    86060173+  83  Linux

/dev/sda6       486432768   488396799      982016   82  Linux swap / Solaris

Warning! :

314311725 is begining of extended partition

314311665 is before extended +127 goes inside sda5 witch is logical partition

Then 314311665 is sopmewhere before data starts on extended partition3.

+127 (=314311792) is somewherw inside sda5,

314311725 is begining of extended partition

Remember, i had w7 first than ubuntu auto instalation resulted in case like XXXpaste.ubuntu.com/6105957

358 XXXpaste.ubuntu.com/6121500 DOS and Linux will interpret the contents differently.

So if i fix grub and start win i have two errors

error: no device connected

error: no device connected

and if i fix MBR, than from easyBCD start ubuntu i have two erros too:

fatal! Inconsistent data read from (0x80)314311665+127 (=314311792)

fatal! Inconsistent data read from (0x80)314311725+1

maybee it is matter of the same thing, cause of sumilar behavior.

New partitions

I had shrink w7 on first 50G and put ubuntu inside second 50G, so both OS are inside first 100G of the disk. And i take care to align ewery thing with cylinders. New partition is:

partition       file sistem     label   size    used    unused  flags   

unalocated  unalocated      201M

/dev/sda1       ntfs        systreser.  99M 24,45M  74,55   boot

/dev/sda2       ntfs            43,95G  14,92   29,03

unalocated  unalocated      502,51M

/dev/sda3       extended            44,93G

  /dev/sda5 ext4        grub    996,19M

  /dev/sda6 – hd(0,5)   ext4        root    9.77G

  /dev/sda7 ext4        swap    4,89G

  /dev/sda8 ext4        home    28,81G

  Unalocated    unalocated      502,03M

unalocated  unalocated      38,07G

/dev/sda4       ntfs        data    100,27G

unalocated  unalocated      4,88G

New ubuntu instalation

Inside prepared, aligned partitions.

during instalation i dont know where to mount grub partition sda5. So i excluded it. Also instalation had was not happy to put grub in it. Device /dev/sda5, for instalation of boot loader have no mount point.

Instal ubuntu XXXpaste.ubuntu.com/6117370

in row near 600 again:

Warning: extended partition does not start at a cylinder boundary.

DOS and Linux will interpret the contents differently.

Maybe my mistake. After partition i had no OS and grub , so i neither try to generate report.

Start ubuntu from easy bcd:

Easy bcd autodetect

fatal! Inconsistent data read from (0x80)294154098+127 (=)

fatal! Inconsistent data read from (0x80)294154210+8

Booting /boot/grub/menu.lst

fatal! Inconsistent data read from (0x80)294154098+127 (=)

fatal! Inconsistent data read from (0x80)294154210+8

Booting /boot/grub.conf

fatal! Inconsistent data read from (0x80)294154098+127 (=)

fatal! Inconsistent data read from (0x80)294154210+8

Booting /grub.conf

fatal! Inconsistent data read from (0x80)294154098+127 (=)

fatal! Inconsistent data read from (0x80)294154210+8

Booting /boot/grub.conf

Boot-repair default XXXpaste.ubuntu.com/6117634

Does not start

Gparted - align extended partition with cylinders

after alignment XXXpaste.ubuntu.com/6119317

no warnig about alignment

Gparted again: XXXpaste.ubuntu.com/6119402

partition       file sistem     label   size    used    unused  flags

unalocated  unalocated      201M

/dev/sda1       ntfs        systreser.  99M 24,45M  74,55   boot

/dev/sda2       ntfs            43,95G  14,92   29,03

unalocated  unalocated      502,51M

/dev/sda3       extended            45,02G

  /dev/sda5 ext4        root    10,74G

  /dev/sda6 – hd(0,5)   linux-swap  swap    5,37G

  /dev/sda7 ext4        home    28,32G

  Unalocated    unalocated      604,01M

unalocated  unalocated      37,98G

/dev/sda4       ntfs        data    100,27G

unalocated  unalocated      4,88G

Grub was in separated 1G partition witch was not mounted, i did not experimented a lot, it does not work Because now i hawe both OS inside first 100G, i deleted it.

Boot-repair restore MBR: XXXpaste.ubuntu.com/6119447

Instal ubuntu XXXpaste.ubuntu.com/6121500

OK i hve fresh instaled ubuntu with no warning: extended partition does not start at a cylinder boundary.

Start…

error no such partition 

grub rescue>ls

(hd0) (hd0,msdos4) (hd0,msdos2) (hd0,msdos2) (fd0)


ls (hd0,msdosX)/

answer is unknown file system for all uper options

no vmliuz or initrd found.

Unable to make root=(hd0,msdosX)

Unable to make configfile /boot/grub/grub.cfg

Move boot flag

partition       file sistem     label   size    used    unused  flags   

unalocated  unalocated      201M

/dev/sda1       ntfs        systreser.  99M 24,45M  74,55   

/dev/sda2       ntfs            43,95G  14,92   29,03

unalocated  unalocated      502,51M

/dev/sda3       extended            45,02G          boot

  /dev/sda5 ext4        root    10,74G

  /dev/sda6 – hd(0,5)   linux-swap  swap    5,37G

  /dev/sda7 ext4        home    28,32G  

  Unalocated    unalocated      604,01M

unalocated  unalocated      37,98G

/dev/sda4       ntfs        data    100,27G

unalocated  unalocated      4,88G

error no such partition 

grub rescue>ls

(hd0) (hd0,msdos4) (hd0,msdos2) (hd0,msdos1) (fd0)

from http://paste.ubuntu.com/6121500 :

Recommended-Repair

This setting would reinstall the grub2 of sda5 into the MBRs of all disks

PARTITIONS & DISKS:

477 sda1 w7syres    no-update-grub, 32  no-boot,    is-os,  not--efi--part,

478 sda2 w7     no-update-grub, 32  no-boot,    is-os,  not--efi--part,

479 sda5 root       update-grub,    32  with-bootis-os, not--efi--part,

480 sda7 home   no-update-grub, 32  no-boot,    no-os,  not--efi--part,

481 sda4 ntfsdata   no-update-grub, 32  no-boot,    no-os,  not--efi--part,


477 sda1 w7syres    part-has-no-fstab,  part-has-no-fstab,  no-nt,  no-winload, no-recov-nor-hid,

478 sda2 w7     part-has-no-fstab,  part-has-no-fstab,  no-nt,  haswinload, no-recov-nor-hid,

479 sda5 root       fstab-without-boot,fstab-without-efi,   no-nt,  no-winload, no-recov-nor-hid,

480 sda7 home   part-has-no-fstab,  part-has-no-fstab,  no-nt,  no-winload, no-recov-nor-hid,

481 sda4 ntfsdata   part-has-no-fstab,  part-has-no-fstab,  no-nt,  no-winload, no-recov-nor-hid,


477 sda1 w7syres    bootmgr,    is-winboot, nopakmgr,   nogrubinstall,  no---usr,

478 sda2 w7     bootmgr,    is-winboot, nopakmgr,   nogrubinstall,  no---usr,

479 sda5 root       no-bmgr,    notwinboot, apt-get,        grub-install,   with--usr,

480 sda7 home   no-bmgr,    notwinboot, nopakmgr,   nogrubinstall,  no---usr,

481 sda4 ntfsdata   no-bmgr,    notwinboot, nopakmgr,   nogrubinstall,  no---usr,


477 sda1 w7syres    part-has-no-fstab,  not-sep-usr,    standard,   not-far,    /mnt/boot-sav/sda1.

478 sda2 w7     part-has-no-fstab,  not-sep-usr,    standard,   not-far,    /mnt/boot-sav/sda2.

479 sda5 root       fstab-without-usr,  not-sep-usr,    standard,   not-far,    /mnt/boot-sav/sda5.

480 sda7 home   part-has-no-fstab,  not-sep-usr,    standard,   not-far,    /mnt/boot-sav/sda7.

481 sda4 ntfsdata   part-has-no-fstab,  not-sep-usr,    standard,farbios,   /mnt/boot-sav/sda4-


346 Unknown BootLoader on sda3 --- = extended partition


Table red lines  355 – 00000070 to 366 – 00000120


 395 =================== os-prober:

396 /dev/sda1:Windows 7 (loader):Windows:chain

397 /dev/sda2:Windows 7 (loader):Windows1:chain

398 /dev/sda5:Ubuntu 12.04 LTS (12.04):Ubuntu:linux


333 sda5: Location of files loaded by Grub:


243 set root='(hd0,msdos5) --- --- grub rescue>ls ne vidi (hd0,msdos5)


130 sda5/boot/grub/grub.cfg:


23 Boot file info:      Grub2 (v1.97-1.98) in the file   /NST/nst_linux-16FCF801C94FF0D2CA4D0503BF440B11.mbr 
                       looks at sector 97021229 of the same hard drive for  core.img, but core.img can not be found at this 
                       location. --- ---this is from easyBCD


3 => Grub2 (v1.99) is installed in the MBR of /dev/sda and looks at sector 1 of the same hard drive for core.img. core.img is
at this location and looks  for (,msdos5)/boot/grub on this drive.
Grub rescue tega (,msdos5) ne vidi: 




84 Partition  Boot  Start Sector    End Sector  # of Sectors  Id System


/dev/sda1    *        411,648       614,399       202,752   7 NTFS / exFAT / HPFS

/dev/sda2             614,400    92,774,399    92,160,000   7 NTFS / exFAT / HPFS

/dev/sda3          93,803,535   188,217,539    94,414,005   5 Extended

/dev/sda5          93,803,598   116,326,664    22,523,067  83 Linux

/dev/sda6         116,326,728   127,588,229    11,261,502  82 Linux swap / Solaris

/dev/sda7         127,588,293   186,980,534    59,392,242  83 Linux

/dev/sda4         267,867,810   478,158,659   210,290,850   7 NTFS / exFAT / HPFS

After updating ubuntu

Have new grub

Boot-repair + out of disk + repair data systems http://paste.ubuntu.com/6124520

Nothing is changed i stil have bsituation 1 or situation 2

grub rescue>ls

(hd0) (hd0,msdos4) (hd0,msdos2) (hd0,msdos1) (fd0)

Any solution to this problem?

Thanks.


Chkdsk was done automatically, after mowing and shrinking win, they have had to bee booted from instalation CD.

Now I had done chkdsk /f /r and repair/install grub with no change.

paste.ubuntu.com/6129754 - no warnings

I would direct yr attention at Lines 426 – 462: Unknown MBRs/Boot Sectors/etc: Unknown BootLoader on sda3. Why is this thing there inside extended partition? Why it is unknown?

Were grub looks immediately after start, to generate two messages error: no device connected, then, after doing other jobs, after some time, displays menu with boot options? Are two error messages, two w7 partitions?

What is the connection between failed win start and two error messages?

What is the connection between error message and tables in lines 659-762 inside bootinfo, that represent three ntfs partitions? First says: a disk read error occurred boot managr is compressed ctrl-adlt-del to restat. Second and third says a disk read error occurred boot managr is missing boot managr is compressed ctrl-adlt-del to restat. So, the first table is a small win7 boot partition that contains boot mngr but like text says incomprehensible compressed. Other two are two NTFS partitions containing win7 files and data respectively. Why boot info says that win boot info in sda is (to the grub?) incomprehensible compressed?

Line 560 says: sda1 has win boot and no winload, and sda2 has win boot and winload, both have bootmngr, other partitions are without btmgr. Sda5 has boot on other place in the table, in respect to sda1&2 and strange thing is fstab without boot.

When i could not access ubuntu from win the message is:

fatal! Inconsistent data read from (0x80)314311665+127 (=314311792) *fatal! Inconsistent data read from (0x80)314311725+1*

314311665 is before extended, and +127 goes inside sda5 witch is logical partition 314311725 is begining of extended partition

Can this overlapping give some explanation about my problem? Can give some explaination fact, that i have two error messages at the very begin of the start, no mater if i go from side of grub or from side of easyBCD?

On the other theme: Machine is notebook containing fd, it is not a desktop.

OMG! Is because i tried many more or less simple solutions from forums, with no success and i wished to be explanatory.

Im not able to coin solution by myself.

Can give just description and my intuitive suspection is formulated in many upper questions.

What Im asking is some purpose, like look here and there, execute this and that and tel me what you get, so we can make diagnose and location of the trouble, knowing what and where it is, we can start to built the solution. I think it can be found inside boot info, just someone more skilled than me, must to look in it.

Problem looks like that grub inside MBR of sda disorientate winboot and-or winload from one side, and from other side wnboot and-or winload inside MBR of sda disorientate grub, on the way that disorientated one is unable to find his path to the proper (boot) partition. Even more, he is sure, from the fist moment of start, that his boot target is non-existent, or maybe corrupted, or incomprehensible compressed. Thing that normaly should not happens.

bye

share|improve this question
1  
OMG! I actually reached the comments field! By what I could get, either your driver has some damage, I would run chkdsk /f when you are capable to boot Windows, and restart twice then try to repair/install grub. On another topic: why you have a floppy drive? –  Braiam Sep 19 '13 at 1:32

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