Re: Weird dirt looking spots on monitor.
I would suggest it is the cord. if you can replace it you should. However, most monitors you cannot. Also, check the pins on the cord maybe its a slight bent be gentle if you try to fix it, you could break the pin.
Mark J. Fox
Desktop-Dell Crap-O/Pentium 4/2GB RAM/ ATI Radeon X1150/160HDD
Laptop- Lenovo Thinkpad Edge/ Intel I3/4GB RAM/250GB SSD
Windows 7 Professional x86 Build 7600