|Mimi before shelling out on a new monitor or graphics adapter card you could also check if the problem is software related, follow the steps below.|
1 CLICK START
2 CLICK CONTROL PANEL
3 CLICK APPEARENCE AND THEMES
4 CLICK DISPLAY
5 CLICK SETTINGS
6 CLICK ADVANCED
7 CLICK MONITOR
You will now see a number which will read something like 70 Hertz, this is your monitor refresh rate.
Click on the arrow pointing down which is located at the far right hand side of the number.
This will reveal more numbers.
Click on a slightly higher number and then click on apply near the bottom of the screen.
Dont worry the screen will flash for a second and then you will be prompted by a message asking if you want to keep this new setting.
Click yes and then click on ok at the bottom of the screen.