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Flashing cursor and colored squares scrolling

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#1 hitohito


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Posted 11 March 2014 - 02:21 PM

This is my first post and I am hoping someone could help.


I have a dell desktop running XP Pro 32 bit. Alll was working fine until a reboot.


After the BIOS screen, a flashing cursor appears in the top left corner for about 15 seconds, then a bunch of squares with characters start flashing and scrolling in a random pattern.


These are the troubleshooting steps and all resulted in same exact outcome


Replaced RAM

Replaced video card

reseated all cables

replaced the hard drive from another working machine and it booted fine.

took out the hard drive and hooked it to an external reader and ran chksk /f on a working computer ... no erros.


I called a techie friend and he suggested that it could be a virus ....

Can someone please suggest a fix?


Thank you very much

Edited by hamluis, 12 March 2014 - 09:13 AM.
Moved from XP to Internal Hardware - Hamluis.

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#2 TechMarvel


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Posted 12 March 2014 - 06:50 AM

It doesn't sound like a virus to me...it could be, but most don't show up that way...


At first I was going to suggest a new video card, but now i'm guessing it's the motherboard or CPU.....


What happens if you turn on the computer with all the boot devices (hard drive, cd drive, usb drive) unplugged?  Do you get the crazy cursor?  Did you hook up hard drive to another computer and run an antivirus program on it?

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