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Troubleshooting after thunderstorm
A thunderstorm recently killed my computer, and now I'm trying to
figure out what I need to replace. When I press the power button, all fans and HDDs start spinning, and the green LED on my Abit NF7-S mainboard lights up. However, I get no video output, and no beep codes. I tried taking out one and both of my RAM modules, and also the video card, but the symptoms are still the same. That made me think it was the mainboard that's broken. But then I also tried to connect the PSU (an Antec NeoHe 430) to an older (known good) computer. Then I got the same results for that computer too. Fans and HDDs spinning, but no video and no beeps. Does that mean that the PSU is broken? Even if I obviously do get power out of it? Or is it even likely that it is the PSU /and/ mainboard (and CPU?) that's broken? |
#2
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Troubleshooting after thunderstorm
You need to check the power supply with a voltmeter. You probably have 12 volts but no 5 volts or no 3.3 volts. Martin wrote: A thunderstorm recently killed my computer, and now I'm trying to figure out what I need to replace. When I press the power button, all fans and HDDs start spinning, and the green LED on my Abit NF7-S mainboard lights up. However, I get no video output, and no beep codes. I tried taking out one and both of my RAM modules, and also the video card, but the symptoms are still the same. That made me think it was the mainboard that's broken. But then I also tried to connect the PSU (an Antec NeoHe 430) to an older (known good) computer. Then I got the same results for that computer too. Fans and HDDs spinning, but no video and no beeps. Does that mean that the PSU is broken? Even if I obviously do get power out of it? Or is it even likely that it is the PSU /and/ mainboard (and CPU?) that's broken? |
#3
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Troubleshooting after thunderstorm
"Martin" wrote in message
ups.com... A thunderstorm recently killed my computer, and now I'm trying to figure out what I need to replace. When I press the power button, all fans and HDDs start spinning, and the green LED on my Abit NF7-S mainboard lights up. However, I get no video output, and no beep codes. I tried taking out one and both of my RAM modules, and also the video card, but the symptoms are still the same. That made me think it was the mainboard that's broken. But then I also tried to connect the PSU (an Antec NeoHe 430) to an older (known good) computer. Then I got the same results for that computer too. Fans and HDDs spinning, but no video and no beeps. Does that mean that the PSU is broken? Even if I obviously do get power out of it? Or is it even likely that it is the PSU /and/ mainboard (and CPU?) that's broken? The wealest link in the power surge process is the ps and the mb. You will probably have to replace both. CPU's and ram are a bit more sturdy, then finally hd's. PS's nowadays especially the cheaper ones don't take much to knock them out. later, charles...... |
#4
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Troubleshooting after thunderstorm
Well, you are correct in thinking that with those symptoms either your PSU
and/or your motherboard are fried. The simplest test is to replace your PSU with a known working one and see if that fixes it. -- --------------------- DaveW --------------------- "Martin" wrote in message ups.com... A thunderstorm recently killed my computer, and now I'm trying to figure out what I need to replace. When I press the power button, all fans and HDDs start spinning, and the green LED on my Abit NF7-S mainboard lights up. However, I get no video output, and no beep codes. I tried taking out one and both of my RAM modules, and also the video card, but the symptoms are still the same. That made me think it was the mainboard that's broken. But then I also tried to connect the PSU (an Antec NeoHe 430) to an older (known good) computer. Then I got the same results for that computer too. Fans and HDDs spinning, but no video and no beeps. Does that mean that the PSU is broken? Even if I obviously do get power out of it? Or is it even likely that it is the PSU /and/ mainboard (and CPU?) that's broken? |
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