Desktop - Windows XP?

Right click your desktop

Click on properties

go to Settings

and adjust the slider to the right, this makes everything smaller.

This is called adjusting the resolution

Start In Desktop right click properties

NOW

appearances

Advanced

select icons from Item list and reduce size to 22 .

Also Icons horizontal vertical spacing. etc

You have the option to change Font type and size also

for different windows.

If you adjust settings it will change the screen resolution.

set you display to a larger number the larger the number the smaller the icons

control panel

display

settings

adjust slider to the right

then ok

i saw already all answers. if you tried it and still not works. you should try this way. right click my computer and choose properties>hardware>device manager>

you will see if your hardware have no driver if you see there is warning sign or question mark on your hardware. try to update the driver. im sure your problem is with your video card driver. try it. im sure it will work.

Right click your mouse, properties, settings and screen resolution.