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can't boot, black screen with "_" flashing


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#1 UnderPL

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Posted 30 May 2012 - 09:01 PM

Hi, i'm trying to fix someone comp. can't F8, after the toshiba logo, the black screen appear.

I booted UBDC4win, went to command line to chkdsk/sfc snannow but couldn't. this is what i get : the disk structure is corrupted and unreadable
then, i booted hiren bootcd and opened gparted. I right clicked on the windows/boot and clicked information, this is what i get :

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Thanks

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#2 AustrAlien

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Posted 30 May 2012 - 09:49 PM

Test the hard drive.

It is best to use the hard drive manufacturer's own diagnostic utility, but Seagate's tool will work OK on most brands. The diagnostic tool is run from a bootable CD (Windows does not need to be working. The first two steps are done on a working computer, while the third step is to boot the ailing computer with the CD that you create in the first two steps.)

:step1: Please download SeaTools for DOS (CD) from Seagate's SeaTools for DOS web page

or use the following direct download link to download the latest version of SeaTools for DOS:
Download SeaTools for DOS ISO Image

The downloaded file name is SeaToolsDOS223ALL.ISO
[/list]
:step2: Burn the downloaded .ISO image to a CD using the appropriate burning software.
  • If you do not already have a suitable burning program for writing .ISO images to disc ...
    • Download and install ImgBurn.
      Ensure that you UN-check the box agreeing to install the Ask toolbar during the installation.
    • Place a new (blank) CD disc in the drive tray.
    • Choose Write image file to disc.
    • Under Source, click on the Browse button: Navigate to and select the .ISO file that you wish to burn.
    • Place a check-mark in the box beside Verify.
  • Click Posted Image

    When the CD has been burned and verified as successful, it will be bootable.

:step3: Boot from the CD.
  • (You may need to access the BIOS Setup Menu or the Boot Menu and change the boot order to enable booting from CD before hard drive.)
  • From Basic tests on the Main Menu, run the Short test and then the Long test.

    (The long test will take some considerable time to complete.)
    The results will be shown as either a PASS or FAIL.
    There is a chance that during the Long test, you may be offered the opportunity to attempt repairs on the hard drive:
  • If so, go ahead and attempt to do so, but ONLY after backing up all important personal files.
[/list]Note: You may wish to view the following ...
Please let us know the results of the tests.

When you can, include the make and model number of the problematic hard drive. If you do choose to use SeaTools, you will see the model number (and maybe the make) when SeaTools first detects the hard drive.

*** Please be aware that BleepingComputer.com rules forbid recommending the use HBCD because of copyright infringement concerns.

Edited by AustrAlien, 30 May 2012 - 09:51 PM.

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#3 UnderPL

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Posted 31 May 2012 - 01:01 AM

There is a chance that during the Long test, you may be offered the opportunity to attempt repairs on the hard drive:
If so, go ahead and attempt to do so, but ONLY after backing up all important personal files.

can't access files, how can I do so?

#4 AustrAlien

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Posted 31 May 2012 - 01:15 AM

Does this mean that the utility has found errors and offered the opportunity to repair ... ?

Important: If there are files that need to be retrieved from the hard drive, then please let me know and do not proceed with any further steps.
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#5 UnderPL

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Posted 31 May 2012 - 02:46 AM

long test is running right now. oh and i think the hard drive fine since there 2 fine/healthy working partition on it.

btw

I right clicked on the windows/boot and clicked information, this is what i get :

had to be

I right clicked on the windows/boot partition (C:/) and clicked information, this is what i get :



#6 AustrAlien

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Posted 31 May 2012 - 02:52 AM

Let me know the result of running the long test.
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#7 UnderPL

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Posted 31 May 2012 - 10:43 AM

both test passed. (precision the comp a laptop)

Edited by UnderPL, 31 May 2012 - 10:45 AM.


#8 AustrAlien

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Posted 31 May 2012 - 01:13 PM

If I am understanding the situation correctly, then I think running ntfsfix from a Linux terminal may just do the trick ....

In your case the command to enter will be:

ntfsfix /dev/sda2

since the corrupted partition is sda2 as I understand it.

Any Linux will do the job, but I include a link that uses Puppy and which includes information on running ntfsfix:
Note: Doing the above will force Windows to run a disk check on startup. ***

Edited by AustrAlien, 31 May 2012 - 01:16 PM.

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#9 UnderPL

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Posted 31 May 2012 - 08:53 PM

Thanks, I will try that.

#10 UnderPL

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Posted 31 May 2012 - 09:38 PM

hi,

this is what I get:

sh-4.1# ntfsfix /dev/sda2
Mounting volume... Incomplete multi sector transfer detected in $MFT.
ntfs_mft_load(): Failed.
Failed to load $MFT: Input/output error.
Failed to startup volume: Input/output error.
FAILED
Attempting to correct errors... Incomplete multi sector transfer detected in $MFT.
ntfs_mft_load(): Failed.
Failed to load $MFT: Input/output error.
FAILED
Failed to startup volume: Input/output error.
Volume is corrupt. You should run chkdsk.


#11 AustrAlien

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Posted 31 May 2012 - 09:46 PM

Try starting the computer normally.

If that doesn't get chkdksk running, try GParted as shown here:
http://www.bleepingcomputer.com/forums/topic454445.html/page__view__findpost__p__2716638
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#12 UnderPL

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Posted 31 May 2012 - 09:59 PM

chkdsk not running, same black screen with "_" flashing. oh and I noticed there is a small healty partiion on the drive. (owner saved photos in it, just made a backup of em_)

burning gparted as we speak.

thanks

#13 UnderPL

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Posted 31 May 2012 - 10:13 PM

hi, I get the same error on the screenshot (first post) @ the first paragraph/

record 0 no file magic
chkdsk and reboot twice etc
etc

#14 UnderPL

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Posted 31 May 2012 - 10:29 PM

sorry for the double post, I have a hard drive dock (nexstar), can this help me to fix the partition/backup files in that windows partition?

#15 AustrAlien

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Posted 31 May 2012 - 11:53 PM

Perhaps we had better go back to the "beginning" again: I have made a few suggestions based on what you have given me ... but you haven't given me much info to work with. Nothing we've tried so far has made any impression, so I need to consider other possibilities and try to work out what might be going on here.

Firstly, is there data in the corrupt partition that needs to be recovered?

What is the history? What led up to this corruption? Was the system infected with malware? etc.
AustrAlien
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