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#1 Mar 29 2009 at 11:24 AM Rating: Decent
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My PC powers up but does not display anything on the screen, none of the lock keys light up on the keyboard, and the laser in my mouse does not display.

The small blue light to let me know the computer is on and there is a fan constantly going on at a light to medium speed.

I talked to my friend and he said that was what happened when he fried his hard drive but i wanted to get a sort of second opinion

Thanks in advance
#2 Mar 29 2009 at 5:05 PM Rating: Excellent
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That is most likely not a fried hard drive. If this is a working computer that ceased workign abruptly, you probably do have a hardware failure. I'd check ram first, just because ram is cheap and easy to test. Pull all sticks but 1, and then try to boot. If that doesn't work, try a different stick.

To test if Hard drive is the issue, unplug the hard drive entirely. If you see anything on the screen after that, then it was the drive. If you still see nothing, its not.

Could be video card, but the lack of mouse light or anything else would lead me to suspect not.

Power supply is probably ok sicne you are getting some fan movement, but it could be undervolting. test it if you have a different one to swap in, but I wouldn't spend alot of time there.

Most likely, based on what you describe as symptoms, it's your motherboard or your processor. Are you overclocking at all? how many fans does your case have?
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#3 Mar 30 2009 at 11:57 AM Rating: Decent
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I had tried taking out the RAM and it still did not work, the video card is not overclocked. I have 3 fans in my computer.

I have a limited knowledge of putting computers together but if it is would getting a new motherboard/processor be a viable option? I have been considering buying a new computer anyway but if this is a relatively simple fix I would most likely get one of my more computer experienced friends to help me fix it.
#4 Mar 30 2009 at 1:34 PM Rating: Excellent
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It would depend on the type of computer case you have. If it is a Dell or Gateway or Hewlitt packard style case, you may have difficulties. One of your computer savvy friends can probably tell you. Worst case scenario (pun intended) you can get a completely new case anywhere between $60-200 depending on features, space, etc.

As to whether a motherboard replacement is viable, it really depends on the state of the rest of the components in the case. If you have a fairly good video card, SATA hard drives and a SATA optical drive then rebuilding would likely be the lower cost option. You will likely have to replace at a minimum, the motherboard ($150-ish), processor ($200 on up depending on features) and Ram ($60 for 4GB DDR2, more if you go with a board that takes the newer DDR3). if your video card is older than a year or so, getting a good card like a 9800 gtx+ will run you $160. If you intend to reuse any of the old components you will want to test them before you purchase anything in a different computer.

Also, chances are that even if the power supply works still, it may have had a hand in the failure of whatever other component is actually failed. I'd reccommend replacing it with a 650 watt power supply. Antec makes a decent one that usually runs about $80.

If you decided to scrap the oritional drives too, a decent 300gb SATA hard drive costs about $70, and a 22 speed DVD burner costs $30.

as to the complexity, there are a few steps to building a new computer, and there are ways that you can accidentally damage components, but only if you don't follow instructions and are not paying attention. If you know someone who has built a computer before, I'd suggest buying them dinner in return for them showing you how to build your first one or something. A storebought computer will be cheaper, but you will not be able to upgrade it nearly as long as one you build yourself, and if you are building a high powered gaming rig, you will be able to build it yourself far cheaper than what the major companies would charge you in the long run. The downside to a build it yourself is the warrenty options, since every component has a different warrenty, keeping track can be a pain.

I think knowing how to build a computer is an excellent skill to have, but you really have to ask yourself if you want to put in the effort to learn how, or are you willing to spend $200 more for someone else to do it for you.
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#5 Mar 30 2009 at 2:18 PM Rating: Decent
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Shorted USB connection, almost always. Try disconnecting all USB headers (cables that connect your case USB ports to the MB controller, usually labeled on the PCB) from the board. If you can live with USB out from the motherboard (at the back of the machine), you're in business.

Not guaranteed to be that, but odds are good.

Good luck.

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#6 Mar 31 2009 at 12:10 PM Rating: Decent
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My family has decided against waiting to fix the computer because they really wanted a laptop anyway.

However, my friend and I are going to start to try to fix it shortly. I am going to rebuild the computer along with my friend so we can start raiding again. We might just save the RAM (ddr2) and build an entire new one because I really want to know how to build a computer and my friend is going to teach me how.

Thank you for all of your responses and help.
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