Suddenly, the computer will not boot. When you turn on a blinking cursor at the top left of the black and white screen appears. This is what we've done so far: I disconnected the hard drives, CD / DVD, nothing else connected........which is same cursor on the screen in black. Removes the entire RAM and everything else, on, emits a RAM. Replaced a new stick of RAM, on........ Power supply to the test, video card test........ Replaced video card with a PCI video card, when turned on, the video shows the new video adapter followed by the same cursor........ The same happens on the screen in black. Therefore, it beeps when the entire RAM removed, mean MB is good? So is the processor or something else? Your help will be appreciate…
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