Dell Dimension 2400 PC Desktop "monitor works few minutes" Questions

...monitor connections and other power wires were all connected properly. It start up like it powering up (Windows XP screen, etc) then just stops at a blank screen. Remove the cable. Keep pressing F8 ...

...few minutes It sometimes goes away if I push the contrast button on my Dell monitor. but it will usually come right back. I have tried everything to stop this problem I can think of. Sometimes I also ...

...monitor works, you now know that the computer is not sending information to the monitor. In other words, you've proven that your computer is the reason that nothing shows up on your monitor. Chances ...

...works fine for 30 to 45 minutes, then the screen goes black. There is still power to the screen and the computer. If I then switch it off and leave it for 10 to 15 minutes, it will switch back on but ...

...monitor is a samsung 17 inch flatscreen. Solid black rectangle square on top right hand corner of screen will not disappear even when I reboot. Also my microsoft wheel mouse optical keeps going off ...

...few minutes and try again and after about 5 tries, it would finally boot up. That bandaid stopped working about a week ago and no matter how many times I try, it will not boot up! The fan comes on as ...

...monitor works on different computer) - it just goes to sleep. After a bit of time, the computer shuts itself down (too hot? - fan works fine). Could there be a problem with the motherboard? A new ...

...monitor that i'v had for a few years with no problems, but now the monitor will go into sleep mode on or within a few seconds of startup. I cleaned off and installed updated video drivers and turned ...

...monitor to the CPU with VGA port(only one video port) it restarts within few minutes. but when i connect to the computer with Remote Desktop from another computer it works perfectly fine. Also when i ...

...monitor will flicker on/off every few seconds then go black for several minutes. It has always come back on after a while and might work great for several days at a time. Is the problem most likely ...