Not sure what the problem is...I turned on my computer & it sounded like it was starting up normally (no beeps; prior to Windows startup). The monitor however only displayed the error message "vga--no input signal". I turned off everything, made sure there were no disconnected wires, & unplugged the computer & monitor from the unlimited power supply (ups). Replugged everything together & straight to wall outlet (not ups) & when I turned on the computer again, it seemed to work & Windows came on. Then after about 4 minutes, my cursor froze/optical mouse wasn't responding (light was off the mouse) & keyboard lights were all off & keyboard not working. I tested the computer with a different monitor, & it seemed to work. I wasn't sure if the probem was the first monitor, so I reattached the computer to the first monitor & all was working well. Then, when I shutdown the computer altogether, the three lights on the keyboard (top right) flickered about 10 times then steady green lights remained on. Also, the light on my optical mouse always stays lit & has always been that way (is this normal?).
So my question is, what do you think is faulty...the ups, the monitor, or something else? How can I find out what the problem is & how can it be fixed?
Your help is much appreciated!