Gateway Profile 5.5 PC Desktop "screen stays black during startup" Questions

...stays stuck on this screen, what is wrong with it and how do i fix it? 1 - You may need to roll back system with System Restore. Under Safe Mode (press F8 during boot and choose safe mode).Win 7 - ...

...screen stays black i have i problem with my gateway GM5260 i changed the menu that turns on when you click F2 during startup and accidentally edited something wrong now when i press the power button ...

stays black and one long beep and two short beeps are hearing Hi, Based on the information provided, looks like some peripheral or component failed. This abnormal beep means some components (like RAM)

...black screen with white lettering that apologizes for the inconvenience and lists options for safe mode, safe mode with networking, safe mode with command prompt, last known good configuration and ...

...screen would go black but the processor lights keeps running. I feel some air movement from air vents on the side. I thought the harddrive was to full and deleted some unneeded programs and files. ...

...screen stays blank and says there's no connection. I've gotten it to start up if I unplug all the cords in the back, wait a little while, and then plug them all in again and then turn it on. But then ...