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Trouble with screen

comautok used Ask the Experts™

I am having some screen quality issues, aka fairy lights throughout the screen or random hot pixelation flashes and the occasional dead screen requiring a keyboard less restart by holding down the tower start button.  
When the "pixelation" occurred I plugged the old screen in and could not see that screen have the same issues, but when I replugged the Samsung in it was fine too...??
However, when the Samsung was black with no response, as soon as I unplugged the monitor cable the screen showed the "no signal" alert. I then plugged the HP monitor in and it too showed black/blank.
I was able to get some details, I don't know if this helps, but I have copied and pasted from the unexpected shutdown notice:
Problem signature:
  Problem Event Name: BlueScreen
  OS Version: 6.1.7600.
  Locale ID: 3081
Additional information about the problem:
  BCCode: 1000007e
  BCP1: FFFFFFFFC0000005
  BCP2: FFFFF880103D7708
  BCP3: FFFFF88002CF3098
  BCP4: FFFFF88002CF2900
  OS Version: 6_1_7600
  Service Pack: 0_0
  Product: 256_1
Files that help describe the problem:
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Try plug in your monitor to other pc/laptop.
If the monitor work, then this could be display card problem.
Principal Software Engineer
The symptoms described - sparklies, hot flashes and random dead screens - suggest that there is a problem with, though not necessarily in, the video adapter.

Open the case and confirm that the video adapter is seated completely in its socket.  I like to remove it, then reseat it - a card that looks seated may not be.  AGP cards do seem to manage to work loose sometimes, despite the socket lock.  See if this alleviates the problem.  If so, good for you, that's a cheap fix.

Next, check the adapter to display cable to confirm that this is not the problem.  Shake it, flex it, bend it near the connectors.  If there is no effect, then it's not the cable.

Assuming that the problem is not in the cable, borrow a similar adapter (same bus connection, not necessarily the same model or manufacturer.)  Replace the existing video adapter with the borrowed adapter, load the proper driver for the borrowed adapter, and see if the problem is alleviated.  If so, then the problem is in the video adapter, and you need to RMA it if it's under warranty, or replace it with another one if it's not.
Top Expert 2013

post the minidump for more info !


How do I access the minidump file so that i can convert it to a text file and send to you
Top Expert 2013

you can connect the disk to a working system, copy it and attach it here as file - no need to convert
you can boot from a bootable live cd, and do the same (if you have a working display)
ftp://ftp.kernel.org/pub/dist/knoppix/KNOPPIX_V5.0.1CD-2006-06-01-EN.iso           Knoppix      
www.nu2.nu/pebuilder/                               BartPe


It turned out to be the VC after all. Changed to different VC and all is working OK now