One Long Beep Followed By 3 Short Beeps


I just took apart my computer to clean it up some, but when i put it back together i forgot to plug in the 6 pin connector to my videocard. When i turned it on i got a long beep that wouldn't stop. I turned it on and off about 3 times to see if it'd go away before i noticed that i didn't have that plugged into my 9800gt. I plugged it in, then turned it on and the sound went away. Unforunately, when i turn on my pc now i don't get any video. I tried replace the 9800gt to my 7800gt, but i still get the same issue. I tried removing the ram and putting in 1 stick in at a time in different sockets, but that didn't fix anything either. I even tried putting my old 2gb pc6400 buffalo firestix in it, but that didn't work either. So now everytime i turn on my computer i get the long beep followed by 3 short ones. I looked online and it said that it's either memory or videocard issue i believe. If this is in the wrong place, then please move it and i apologize in advance. This is going to be a boring weekend if i can't get this fixed. Any suggestions besides doing a barrel roll?

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Long Beep Then Three Short Beeps

Ok, i dont know how this happened but went to turn on my computer and there was no display, the hd did not bootup and the motherboard beeped. The sequence was poweron - one long beep inmediately then three short beeps stringt after. Also three seconds after that there are two more tones but deeper (like a sound effect from an old beeb or speccy game). Now heres the problem: i don't know the manufacturer of the board and i don't have the manual. Also as i can't see anything i can't get the serial to check on the web. There is little info to be got by looking at the motherboard. There is an sis 5571 chipset, an award bios chip, and a winboard chip but little else labelled. So far i removed all ram and that created a different beeping noise so i don't think its a ram issue. Also the psu works fine and all fans spin. Power to all devices and all cables are attached properly and firmly. Tried resetting the bios by removing the battery for 30min, but that did not help. Tried removing the cards and ide cables, one device at a time but that made no difference either. Bit stuck with this one really. Any ideas?

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Ocz 2048mb pc3200 ddr 400mhz el platinum (2 x 1024)
Amd athlon 64 x2 4200+ socket 939 (manchester)
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