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v_2e@×××.net writes: |
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> If the system behaves in such an unpredictable way (freezing at a |
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> random point), I usually check the following things: |
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> - RAM; |
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> - bloated capacitors on the Motherboard; |
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> - bloated or dried capacitors in the power supply unit; |
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> |
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> If your PC is only half a year old, it is unlikely that the |
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> capacitors dried. But they could easily bloat, especially if they were |
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> of bad quality or situated near some hot surface like heat sinks. |
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> Testing the power supply needs not only visual analysis. It would be |
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> good to attach the oscilloscope to the output and see the voltage |
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> level. It should not have large peaks (voltage jumps). But this is |
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> usually true for the old units with dried capacitors, as I said. |
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|
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The power supply is older, I re-used it from the PC I had before this |
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one. I hope it causes the trouble, and will try another one this |
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evening. Thanks for this information, this strengthens my confidence |
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that I do not have to buy a new board or CPU. Now I am driving home with |
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a bag of three PSUs I had lent to a friend (and already forgotten). |
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|
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> If I were you, I'd tried to temporarily replace the memory with a 100% |
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> working module, and if it does not help - replace the power supply |
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> unit (if you do not have the necessary equipment to test it thoroughly). |
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|
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I wish I had :) The RAM is okay, I think, I cannot imagine different |
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memory modules to suddenly go bad all at once. And memtest86 found one |
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error only after an hour, while the crashes happen after a few minutes |
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already. |
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|
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> And one more simple test: turn on the PC, enter the BIOS setup |
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> utility and keep it running in this state. If it runs ok for some time |
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> (like a couple of hours), I'd say the problem is in RAM. |
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It once crashed after ten minutes. That was not reproducable, but I did |
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not try that often. |
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|
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Wonko |