I am foreign to computers. I come to you because I cannot fix an issue that someone brought to me. Usually I can figure things out, but this one I cant.

Their computer was working fine one day and the next im getting this issue.

Specs :
1 gig corsair xms pro
gigabyte k8nspro mobo
amd athlon 64 5200+
ati x800xt

The user brought the pc to me saying that his computer was starting sometimes, sometimes the screen would stay black but everything seemed to turn on. Sometimes it would boot to windows perfectly normal and it would work. Sometimes it would get to the windows loading screen and it would freeze and he would have to restart. He brought it to me and I witness this first hand. 90% of the time the computer would start, fans, lights, etc, but the monitor light would blink and nothing would happen. After enough restarts and trys the system would load 1 time, then freeze at windows login. Let me note that this ram has activity lights on it to let me see when its working. Now, the computer wont even give me a bios screen, its staying black 100% of the time. The ram idle yellow lights stay on when i first hit the power button then go off completely and I see no activity. However, all the fans for the cpu, gfx card, case fans are all running as if the pc were on. Even the case blue light acts as if the pc is working and the cd rom drive green light just blinks for eternity. Thoughts? I will be trying to boot with no ram tomorrow to see if I get beeps. I will also try 1 stick in a new slot instead of dual channel 512's. If you have any advice, that would be great.

Before you ask as well. He just brought me his case and I am using all my components, and the problem persists, so it is not a component issue <3

Please read the stickies before posting. You posted this question in the Hardware Discussion forum. As noted in the sticky found there at the top of the page, that forum is for general discussions, and not specific problem solving. I have moved your thread to the hardware section.

He just brought me his case and I am using all my components, and the problem persists, so it is not a component issue

What does that mean? That says to me he gave you an empty case and you installed your motherboard, RAM, PSU, CPU, and graphics card it. Is that what you mean to say?

As far as troubleshooting, I always start by verifying I have a good power supply with adequate horsepower first, so I know I am feeding the "components" inside good power.

I built this computer for him about 8 months ago. Everything was working fine. Now it is currently in the above situation.

You didn't answer my questions so we are no closer to helping you.

My original post meant to say "IM NOT foreign to computers."

"""What does that mean? That says to me he gave you an empty case and you installed your motherboard, RAM, PSU, CPU, and graphics card it. Is that what you mean to say?

As far as troubleshooting, I always start by verifying I have a good power supply with adequate horsepower first, so I know I am feeding the "components" inside good power."""

By components I meant mouse, monitor, keyboard aka external devices. The power supply is sufficient. I know for a fact, I built it myself months ago. I dunno if I need possibly a CMOS battery, if the RAM just died, or what.

The power supply is sufficient.

Unless you had it tested, or swapped in a known good supply, you don't that one is good. PSUs go bad, even new ones. In fact, like all electronics, if they fail prematurely, it tends to be during the initial hours of use.

I know for a fact, I built it myself months ago.

Sorry, but that does not mean anything. You still need to verify that supply is working properly, and is sized correctly. What is the PSU maker and model?

This does not sound like a battery issue, but they are inexpensive and easy to replace, therefore easy to eliminate from the equation.

Check to make sure the RAM sticks are firmly seated, and you can test them using one of the following programs. Both require you to create and boot to a bootable floppy disk or CD to run the diagnostics. Using the floppy method is generally easier (and another reason to include floppy drives in new builds). However, the CD method is just as effective at detecting RAM problems. Allow the diagnostics to run for several passes or even overnight. You should have no reported errors.

Windows Memory Diagnostic - see the easy to follow instructions under Quick Start Information.
or
MemTest86+ (for more advanced users) - an excellent how-to guide is available here.

Alternatively, you could install a single RAM module and try running with that to see if it fails. Repeat process with remaining modules, hopefully identifying the bad stick through a process of elimination.

Ill get back to you once I can properly test the power supply. As for the RAM, I cannot use those programs, the computer wont even boot to the point I can see the BIOS. When I hit the power button, the computer sounds like its going fulls team, fans n all, but the RAM lights arent showing activity and no picture is coming through.

Also, I already reseated and tried each one individually and they didnt work. My next step is finding some different RAM to tryout.

Back to the PSU, u mentioned "early hours of use." Its been almost a year, so it wouldnt be defective. To be honest im thinking a virus could have fried something. Or the PSU did die and it doesnt have the power to turn on the rest of the internal compnents. You will hear back from me tomorrow.

Back to the PSU, u mentioned "early hours of use." Its been almost a year, so it wouldnt be defective.

No. I said it "tends" to be during the initial hours of use. A PSU or any electronics device can fail at any time - especially if stressed by too much demand or dirty power coming in. That's why all computers should be on a UPS with automatic voltage regulation (AVR).

And sorry - I was thinking a month old, and not 8.

If the fans are spinning, you have +12 volts, but the +5V and +3.3V may still have problems, and that can be with the PSU, or the motherboard's regulator circuits.

Viruses rarely fry anything and BIOS viruses are very rare - bad guys want your computer to run so they can use it for their deeds, like spreading viruses. Have you been keeping your computer updated, patched, scanned with current malware scanners, and blocked behind a good firewall, spam and popup blockers? And most importantly do you visit P2P sites and participate in filesharing copyrighted materials? If you've keep your system secure, and users of your machine don't participate in risky practices, it is not likely your computer has been infected. But to be sure, you should pull the drive and attach or install it in another fully secured computer as a secondary drive, and scan it.

Replacing the battery will reset the BIOS.