It depends a lot on what you mean when you say "make movies". If you're talking windows movie maker and clips of your kids birthday parties you'll be fine with about anything, but more serious video...

You haven't actually expressed a problem...

What is it that is not working correctly, or that you would like to change?

I'm assuming you're talking about LCD, not Plasma. Plasma screens are large-format TV's (42" + ) where LCD is monitors and TVs from 1"-42+". Flat-panel monitors (as far as I know) are all LCD.
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Could be a lot of things, probably something weird with the power system that it's not shutting off cleanly.

Does it do this when your system goes to sleep, or only if you hit the power button?

Go to the samsung site, support section, find the drivers page for your model.

Is the backlight going off or just diming?

I remember an HP laptop that was set like this by default, a weird backwards setting where the screen brightness went down on power instead of battery....

Nothing you did should have had any effect on the screen. With that said, there is something wrong with your video adapter, it might have just been a coincidence. If you know how to access your...

Not in this case, since that computer only has one PCI E slot, but it can work on a system that supports two PCI E cards.

I've had something kind of like this happen to me before. When it doesn't shutdown/restart all the way. Try shutting down, letting it completely power down, and turning it back on.

It really depends on what you're doing. Any video card with the proper ports will run the monitors, but if you want to do graphics intensive tasks at high resolutions you'll need something beefier. ...

There might be some useful general info on this site, but I want to point out that this is a Desktop NOT a Laptop.

if the video card and monitor are known good, there's no issue with the connections between the two than that leaves the motherboard. It's either an issue with the BIOS (corruption or settings) or a...

BY display mode do you mean the display settings page you get by right clicking on the desktop and selecting properties and the settings tab?

ATI is still releasing great cards for AGP. They wont perform as well as their PCI-E counterparts, but they are still good cards. However if the rest of his system is as dated as the video card it's...

ITDUPUIS is right, Nvidias site is the best place to get current drivers but it shouldn't matter.

I doubt you'd meet the minimum requirements for most games since that card is half a dozen...

Probably not, but that's not enough information.

There are three ways to add a dedicated video card PCI-E, AGP, or PCI (all desktops have it, but AGP or PCI-E is faster and a much better selection...