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Monitor, sound, and mouse/keyboard loses signal/power after very little use, while tower remains running normally

Last response: in Graphics & Displays
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July 8, 2013 6:16:48 PM

Hello everyone! In advance, I'd like to apologize for my inexperience with this site and my pc specs :-\. I hope that none of you will get mad :'( . So anyways, up until about a month ago, I was an avid pic user, using my pc for near 7-8 hours a day. Just recently, I would get this problem described in the thread title. I would be using my pc, and all of the sudden, my monitor, sound, and external usb's would just stop working. My tower would remain running normally, with no increase in fan noises or any beeps or something. At first, I immediately thought it was a problem with the tower's motherboard, video card, etc. (sorry for vagueness, I'm really trying :'(  ). Then I read a thread somewhere about possibility that problems with the dvi cable may affect other externals, so I switched my do to a vga. Naturally, I get no change. Then I try to use my hd TV as my monitor, for I have the hdmi for it. I still get the same problem. I've tried updating windows 8, but it happens again mid update. At this point, I'm unsure if it's a video card/motherboard/cpu issue, or is it a problem with the vga/dvi/hdmi ports, because they are in the same....port (gpu? Again, sorry). So now I'm pretty stuck. I just hope that it's not something that I'd need to replace, since I'm very sorry on cash at the moment :-\. Here's the attempt at specs; I'm still sorry for being so new to this....

Specs:
Amd Athlon II X4 640 processor
Speed: 3000MHz
Samsung syncmaster ex2220 monitor

Oh dear God, as I'm typing this on my phone, I smell something like burning ^_^ near my tower, so I'm not gonna turn it back on to find the rest of the specs. I'm really sorry, but I can try to find the specs later once that smell goes away..... Sigh...... I can already see it now. All of the 'MORE SPECS PLZ' :-\ well, I just hope that I have enough info, which I prob didn't. Oh, and I remember that a coworker of mine told me about his friend who does computers, because I had a similar problem to this one. The guy put in a new fan and port thing (gpu??), which is the one I'm using now. Plz help, and again, sorry.

Best solution

a b ) Power supply
a b U Graphics card
a b C Monitor
July 8, 2013 9:31:46 PM

What's your PSU (power supply)? No need to turn PC on for that.

Need brand, model, and max wattage, all of which should be located on a sticker on the side of the PSU.
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