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Cannot load pass black screen with blinking icon


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36 replies to this topic

#1 code13

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Posted 02 April 2012 - 12:13 AM

The Viao laptop has been functioning fine.
Windows Vista.
A few hours ago it froze then a blue screen popped up and it restarted.
After restarting, it loaded the Vaio splash and then to a black screen with a blinking icon(the stick that blinks when typing).
I have restarted it, and it loads back to the same screen.
I have tried accessing the bios, but no go.
I removed the hard drive and restarted the computer again to boot into bios, still no go. Instead, any button I press makes it say the operating system is missing.

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#2 AustrAlien

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Posted 02 April 2012 - 04:12 PM

... a blinking icon (the stick that blinks when typing) ...

That is properly called the cursor.

When you first start the computer, watch the screen closely. Do you see a message somewhere on-screen that says something like "Press <a key> for Setup" (and the <a key> could be one of many such as F2 or DEL)? Pressing that key at that time should get you into BIOS Setup Menu regardless of the current problem, or whether the hard drive is attached or not. Let me know which key you see as needing to be pressed, and whether or not you can access the BIOS Setup Menu using that key.

Re: blank black screen with blinking cursor on startup
What you describe as happening when last using the computer, and the ensuing startup issue, strongly suggests a malware infection of the MBR (Master Boot Record). Let's have a look at the MBR.

FIRSTLY, connect the hard drive back up to the laptop!

Then, please try the following: You will need a USB drive/flashdrive and a new blank writable CD.

:step1: Please do the following on a working computer:
  • Download GETxPUD.exe to the Desktop.
  • Run GETxPUD.exe
    A new folder will appear on the desktop.
  • Open the GETxPUD folder and click on get&burn.bat
  • The program will download xpud_0.9.2.iso, and when finished will open BurnCDCC ready to burn the image.
    Please be patient: This could take awhile - download file size 63MB.
  • Click on Start and follow the prompts to burn the image to a CD.
You will use this CD to boot the ailing computer from.


:step2: Boot the ailing computer with the xPUD CD.
  • (You may have to configure the Boot Menu or BIOS Setup Menu to boot first from the optical/CD/DVD drive.)
    A Welcome to xPUD screen will appear.
  • Click on File.
  • Expand the mnt icon on the left (click on the little arrow beside the icon).
    • sda1, sda2 etc. ...usually correspond to your HDD partitions
    • sdb1, sdc1 is likely to correspond to a USB flashdrive, external USB hard drive etc.
  • Click on the folder that represents your USB drive (sdb1 ?).
  • Click Tool on the top menu, and choose Open Terminal.
  • Type the following at the hash prompt:

    dd if=/dev/sda of=mbr.bin bs=512 count=1

    • Note: Leave a space between the following:
      • dd ... the executable application used to create the backup
      • if=/dev/sda ... the device the backup is created from (the hard drive when only one HDD exists)
      • of=mbr.bin ... the backup file to create - note the lack of a path - it will be created in the directory currently open in the Terminal
      • bs=512 ... the number of bytes in the backup
      • count=1 ... says to backup just 1 sector
        It is extremely important that the if and of statements are correctly entered.
  • Press the <ENTER> key.
    After it has finished a file will be located on your USB drive named mbr.bin.
  • Remove the USB drive from the ailing computer.

:step3: On the working computer:
  • Insert the USB drive, and navigate to the file mbr.bin
  • Zip-up the mbr.bin file:
    • Right-click on the file and choose Send to .. > Compressed (zipped) Folder.
      A zipped folder will appear in the same location as the mbr.bin file.
  • Please attach the zipped file to your next reply.
    This will allow the MasterBootRecord of your drive to be checked to see whether or not it is infected.

Edited by AustrAlien, 02 April 2012 - 04:57 PM.

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#3 code13

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Posted 02 April 2012 - 05:23 PM

Bios does not boot.
And "select F2" or del and the other f-#'s doesn't send me to bios. Just the same black screen with the blinking cursor.

Unable to boot from USB.

#4 AustrAlien

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Posted 02 April 2012 - 05:32 PM

What do you see on-screen as the designated key to press in order to access the BIOS Setup Menu?

You wrote: "Unable to boot from USB."
I am puzzled as to why you wrote that. xPUD will be on a CD. Can you boot to that?
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#5 code13

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Posted 02 April 2012 - 10:01 PM

Attached MBR.

#6 AustrAlien

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Posted 02 April 2012 - 10:04 PM

Please try attaching the .zipped file again.
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#7 code13

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Posted 02 April 2012 - 10:05 PM

Attached MBR.

Attached Files

  • Attached File  mbr.zip   582bytes   8 downloads


#8 AustrAlien

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Posted 02 April 2012 - 10:19 PM

The MBR is infected.
  • See virustotal scan results: Rootkit.Boot.Pihar.b (Kaspersky)
Please sit tight and be patient.

I have requested that an experienced helper who specialises in malware-related un-bootable computers respond to your topic.

Thank you.
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#9 JSntgRvr

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Posted 02 April 2012 - 11:32 PM

:welcome:

Download xPUD_MBRfix and save it in the USB drive.

  • Boot the ailing computer to xPUD
  • Click on the folder that represents your USB drive (sdb1 ?)
  • Double click on xPUD_MBRfix to execute the script and wait.
  • If ask, select the sda as the drive and Vista as the Operating System. If Vista is not available, let me know your options.
  • Upon finishes, its actions will produce a report (mlog.txt)
  • Post that report in your next reply
Boot in Normal Mode. If able to, run Combofix as follows:

Please download ComboFix from Here or Here to your Desktop.

**Note: In the event you already have Combofix, this is a new version that I need you to download. It is important that it is saved directly to your desktop**
  • Please, never rename Combofix unless instructed.
  • Close any open browsers.
  • Close/disable all anti virus and anti malware programs so they do not interfere with the running of ComboFix.

    -----------------------------------------------------------

    • Very Important! Temporarily disable your anti-virus, script blocking and any anti-malware real-time protection before performing a scan. They can interfere with ComboFix or remove some of its embedded files which may cause "unpredictable results".
    • Click on this link or this link to see a list of programs that should be disabled. The list is not all inclusive. If yours is not listed and you don't know how to disable it, please ask.

      -----------------------------------------------------------

    • Close any open browsers.
    • WARNING: Combofix will disconnect your machine from the Internet as soon as it starts
    • Please do not attempt to re-connect your machine back to the Internet until Combofix has completely finished.
    • If there is no internet connection after running Combofix, then restart your computer to restore back your connection.

    -----------------------------------------------------------

  • Double click on combofix.exe & follow the prompts.
  • Install the Recovery Console if prompted.
  • When finished, it will produce a report for you.
  • Please post the "C:\ComboFix.txt" .
**Note: Do not mouseclick combofix's window while it's running. That may cause it to stall**

Note: ComboFix may reset a number of Internet Explorer's settings, including making it the default browser.
Note: Combofix prevents autorun of ALL CDs, floppies and USB devices to assist with malware removal & increase security.

Please do not install any new programs or update anything (always allow your antivirus/antispyware to update) unless told to do so while we are fixing your problem. If combofix alerts to a new version and offers to update, please let it. It is essential we always use the latest version.

No request for help throughout private messaging will be attended.

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#10 code13

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Posted 02 April 2012 - 11:39 PM

Choices are SDA, SDB, and SDC.
But the choices in MNT are SDA1, SDA2, SDA3.
SDA1 is the recovery partition.
SDA2 is the TOOLS partition.
SDA3 is where the OS is located at.
Which one should I choose?
SDA1 and sda2 contains a bootmgr in the main directory. SDA3 is lacking it.

Edited by code13, 02 April 2012 - 11:40 PM.


#11 JSntgRvr

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Posted 03 April 2012 - 12:13 AM

Select SDA. All partitions are withing the SDA disk. What are your options as Operating System?

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#12 code13

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Posted 03 April 2012 - 12:16 AM

Type 7 for windows 7
type i for windows vista
type m for windows xp

#13 JSntgRvr

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Posted 03 April 2012 - 09:01 AM

select i for windows vista. and proceed.

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#14 boopme

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Posted 03 April 2012 - 11:40 AM

Hello, just letting you know I moved this topic to Here in the Virus, Trojan, Spyware, and Malware Removal Logs forum where it will stay.

Please remember to click the Watch Topic button at the top right and select Immediate Notification so you do not miss any replies now that you were moved.
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#15 code13

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Posted 03 April 2012 - 04:09 PM

It loads to the windows loading screen then I get a blue screen.




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