Here's the situation. I was using the computer and everything seemed to be functioning normally. I turned away for a few minutes to speak to my wife. When I want back to use it, the mouse and keyboard seemed frozen. Totally unresponsive, but the screen was still displaying the web page I had been on.
I used the power button to turn the computer off. I tried to turn it back on but it did not boot up. The fans turn on, but that is all. No lights on the optical mouse (USB) or the wireless keyboard. I know the mouse works. I'm using it right now on this laptop.
I searched around and saw that this could be the result of a PSU issue. I started removing components to see if the psu was overloaded. I removed the video card, disconnected the hard drives, disconnected all peripherals, and tried each RAM stick in each slot one at a time to see if one of them might be the issue. I borrowed a psu tester and it said all voltages were fine. No alarms. I borrowed a known working 600w psu and there was no change in the problem.
I borrowed a motherboard tester and the readout on it kept cycling through post codes, never stopping on one for long. If i remember correctly it went ff, C1, C3, 2, 3, (slight pause) 7, and then jumped back to ff and started again. Over and over. I removed all ram to make sure the tester was actually connected properly and testing something. With all ram removed it did stop at C1, indicating the intentionally created memory issue. So it seems it was working. I put the ram back in and it went back to the non stop loop.
If the graphics card is connected, I can hear its fan spin up in time with the loop. Whenever it reaches FF the fan spins loudly twice. If I remove the card there is no other audible indication of a problem, but the codes continue the loop.
Finally I tried removing the CMOS battery. Left it out for 10 mins. Put it back in. No change.
I don't have an internal speaker to hear beep codes.
Here are the specifics of the setup
Motherboard : ASUS M2N-SLI Deluxe AM2 NVIDIA nForce 570 SLI MCP ATX AMD
CPU : AMD Athlon 64 X2 4800+ Brisbane 2.5GHz Socket AM2 65W Dual-Core Processor ADO4800DOBOX
GPU : EVGA 512-P3-1150-TR GeForce GTS 250 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card
PSU: Currently a 600W Thermaltake ( the borrowed, known working PSU)
origionally : hec HP585D 585W ATX12V Power Supply
Ram : 6 GB
All components are about 5 years old, other than the borrowed psu which is about 2 years old.
Any help would be greatly appreciated.
I used the power button to turn the computer off. I tried to turn it back on but it did not boot up. The fans turn on, but that is all. No lights on the optical mouse (USB) or the wireless keyboard. I know the mouse works. I'm using it right now on this laptop.
I searched around and saw that this could be the result of a PSU issue. I started removing components to see if the psu was overloaded. I removed the video card, disconnected the hard drives, disconnected all peripherals, and tried each RAM stick in each slot one at a time to see if one of them might be the issue. I borrowed a psu tester and it said all voltages were fine. No alarms. I borrowed a known working 600w psu and there was no change in the problem.
I borrowed a motherboard tester and the readout on it kept cycling through post codes, never stopping on one for long. If i remember correctly it went ff, C1, C3, 2, 3, (slight pause) 7, and then jumped back to ff and started again. Over and over. I removed all ram to make sure the tester was actually connected properly and testing something. With all ram removed it did stop at C1, indicating the intentionally created memory issue. So it seems it was working. I put the ram back in and it went back to the non stop loop.
If the graphics card is connected, I can hear its fan spin up in time with the loop. Whenever it reaches FF the fan spins loudly twice. If I remove the card there is no other audible indication of a problem, but the codes continue the loop.
Finally I tried removing the CMOS battery. Left it out for 10 mins. Put it back in. No change.
I don't have an internal speaker to hear beep codes.
Here are the specifics of the setup
Motherboard : ASUS M2N-SLI Deluxe AM2 NVIDIA nForce 570 SLI MCP ATX AMD
CPU : AMD Athlon 64 X2 4800+ Brisbane 2.5GHz Socket AM2 65W Dual-Core Processor ADO4800DOBOX
GPU : EVGA 512-P3-1150-TR GeForce GTS 250 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card
PSU: Currently a 600W Thermaltake ( the borrowed, known working PSU)
origionally : hec HP585D 585W ATX12V Power Supply
Ram : 6 GB
All components are about 5 years old, other than the borrowed psu which is about 2 years old.
Any help would be greatly appreciated.
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