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Computer wont start, Blue screen STOP:0x0000007B


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#1 PaulRCoulter

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Posted 04 February 2012 - 11:09 AM

My son has just dropped his desktop off saying it won't start!

It won't even boot up in Safe mode, looks like he may have a virus of some description.

After selecting safe mode, the screen goes blue and gives an error message:

*** STOP: 0x0000007B (0xF78A2524,0xC0000034,0x00000000,0x00000000)

Any suggestions how I can fix this????

Cheers

Paul.

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#2 hamluis

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Posted 04 February 2012 - 11:33 AM

FWIW: 7B errors often occur when users have tried to either clean install or repair install Windows, IMO. So the error in itself is not necessarily significant.

Some details about what occurred with the system before the cry for help by your son...would be of greater benefit than focusing on that error message, IMO.

You might gain by reading STOP 7B Errors .

You might also take a look at 7B, left column at http://www.aumha.org/a/stop.htm , to see the complexity involved in trying to determine cause of that particular error.

Louis

#3 PaulRCoulter

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Posted 18 February 2012 - 10:33 AM

Thanks Louis,

I've been through the steps on your links - and nothing works...

Prior to the blue screen he:

1. Down loaded "Swiftkit" for Runescape??? He tried to configure the setup, gave up, so uninstalled it.
2. He clicked on a link for a game trial on Steam, called Team Fortress.

He hasnt installed upgrades or replaced any hardware. He also hasnt tried to re-install Windows??

Any clues how I can get this problem resolved?

Thanks for your help

Paul.

#4 hamluis

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Posted 18 February 2012 - 03:27 PM

System manufacturer and model?

Louis

#5 jerlands

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Posted 18 February 2012 - 06:41 PM

If you can get into Windows Advanced Options menu, try Last Known Good Configuration.

#6 PaulRCoulter

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Posted 19 February 2012 - 09:29 AM

Its a Dell Optiplex 755.

I can't get past the Blue Screen, so can't get onto the Windows Advanced Options.

Cheers

Paul.

#7 hamluis

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Posted 19 February 2012 - 11:00 AM

From detail provided at Dell Support Page, Microsoft Crashes, etc.

"Stop 0x000000ED (UNMOUNTABLE_BOOT_VOLUME)
Stop 0x0000007B (INACCESSIBLE_BOOT_DEVICE)

These two errors have similar causes and the same troubleshooting steps apply to both of them. These stop codes always occur during the startup process. When you encounter one of these stop codes, the following has happened:

1 The system has completed the Power-On Self-Test (POST).

--------------------------------------------------------------------------------
2 The system has loaded NTLDR and transferred control of the startup process to NTOSKRNL (the kernel).

--------------------------------------------------------------------------------
3 NTOSKRNL is confused. Either it cannot find the rest of itself, or it cannot read the file system at the location it believes it is stored.
When troubleshooting this error, your task is to find out why the Windows kernel is confused and fix the cause of the confusion.

Things to check:

The SATA controller configuration in the system BIOS If the SATA controller gets toggled from ATA to AHCI mode (or vice versa), then Windows will not be able to talk to the SATA controller because the different modes require different drivers. Try toggling the SATA controller mode in the BIOS.

RAID settings You may receive this error if you've been experimenting with the RAID controller settings. Try changing the RAID settings back to Autodetect (usually accurate).

Improperly or poorly seated cabling Try reseating the data cables that connect the drive and its controller at both ends.

Hard drive failure Run the built-in diagnostics on the hard drive. Remember: Code 7 signifies correctable data corruption, not disk failure.
File system corruption Launch the recovery console from the Windows installation disc and run chkdsk /f /r.

Improperly configured BOOT.INI (Windows XP). If you have inadvertently erased or tinkered with the boot.ini file, you may receive stop code 0x7B during the startup process. Launch the recovery console from the Windows installation disc and run BOOTCFG /REBUILD."


Louis

#8 PaulRCoulter

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Posted 19 February 2012 - 01:29 PM

Louis you are a star!

I've toggled the SATA controller mode in the BIOS - and it works!

One happy son back

Thanks for your help on this, greatly appreciated.

Cheers

Paul.

#9 hamluis

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Posted 19 February 2012 - 04:00 PM

All thanks to Dell for providing support page, glad you solved it.

Happy computing :).

Louis




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