Thank you in advance for any help you can offer. My computer (Sony VAIO) has developed a problem. It will start to boot, the monitor light will change from orange to green, the computer will almost finish booting and the screen goes black and the monitor light goes orange. I have tried a different computer with the monitor and the monitor works fine. I tried a different known good video card and the problem went away for about 3 boots, then the problem reoccurred. I swapped in some known good memory and the problem was still there. Is there anything else that could be wrong, other than a failed motherboard? The system is old (1998), is a 350MHz running Windows 98. Any help would be appreciated. The NOSPIN Group is now offering Free PC Tech support at our newest website: http://freepctech.com