Dell OptiPlex GX100 (GX100CEL500) PC Desktop "anything" Questions

why cant i respond to my messages or write my statuses anymore it wont let me write anything or comment on anything sdzhsz

...GX520 that seems to be working all lights come on no beeps from systems but can't get a picture anything that helps me get a picture would help. I have already tried resetting the BIOS, changed ...

...NEED TO KNOW WHAT FUNCTION KEY CAN RESTORE TO FACTORY SETTINGS AND CAN I POSSIBLY BACK UP ANYTHING..HAVE A PROGRAM ON STARTUP SAYS WINDOWS RECOVERY DOES NOT GET PAST IT OR LET ME ON

My desktop runs but does not show anything. It remains like it is on standby. when i start it runs in the back ground but does not show anything on the monitor and the power button lights the standby ...

...before on over 100 Dell GX260's I've worked with. When the system is powered up, and not displaying anything, pull the power cord at the back. Normally this is NOT recommended, but yes, while the ...

THE LIGHT TURN ON BUT DOSNT DO ANYTHING YOU CANT SEE ANYTHING ON THE SCREEN do the following 1.check if the monitor power cable is fixed good. 2.try to connect your cpu to another monitor and see if ...

Dell OptiPlex GX150 won't do anything. I have a Dell Optiplex GX150 and everytime when I turn it on, it just shows Dell and the model, but then I just see a white line in the left top of the screen ...

...GX260 and it does the same thing but the monitor flashes on and off and it won't let me get into anything. I can just catch a glimps of the Alert between flashes and it at times and have to read a ...

...monitor i just got this computer off of ebay and went i turn it on the monitor stay black didnt see anything come up on it at all i have the key bord and mouse hook up i can hear the fan running on ...

the power button is blinking yellow and i don;t know what to do! please help (preferably a walkthrough to fix it) I DID NOT try anything yet. The power supply maybe bad.