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Showing posts with the label Power Supply

How To Determine Defective Power Supply If Not Dead Set.

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Hi everyone! Today's topic is about power supply again. I am going to tackle about this power supply problem because I want to share this knowledge I acquire from my experienced in repairing desktop computers. List of Power Supply Problems * Black Out or Dead Set. * Blown Power Supply Unit. * Power Supply Shuts Down After Few Seconds. * Noisy Power Supply. * Intermittent - Sometimes runs smoothly but most of the time cpu won't power up. * Black Out or Dead Set * This problem is the easiest to detect of all power supply problem. * Blown Power Supply Unit * This problem also is the same as black - out or dead set. Power supply does not produce any power because the fuse and other parts were blown. No current or voltage is passing in fuse. You could smell the burned parts from the back of the power supply. This problem in power supply could be repaired but you have to change many parts to reuse the power supply again. * Power Supply Shuts Down After Few...

How To Repair Your Computer That Turns Off After A Few Seconds

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Did you encountered problem like this? This problem is likely to occur in desktop computers but not in laptops. This trouble is not usual to manifest in laptops. As, I have said this problem is unusual in laptops but possible will occur. So, today we will focus on desktop computers. If you encountered this problem in the future you will know how to fix it. So, I will start with on how to identify this problem. If you already encountered this kind of computer trouble you will know what I am talking about. When we start our computer, after few seconds computer turns off. In my experienced with this computer trouble 2-5 seconds computer turns off, then you have to turn it back on. And the same thing happens when powering it on, computer turns off. * What will be the possible part/s affected when this trouble happens? * a. Power Supply b. CPU Fan c. Motherboard d. Operating System All these parts are suspect when this problem happens. So, which part usually failing? If...

How To Check Power Supply If Defective

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Identifying Power Supply for defect occasionally difficult for most typical user. But for some people with knowledge in technical is easy. For some that are new to repair or to this field. I think you must learn the basic of testing the power supply if it is working or not. During my earlier years in college we were not taught how to diagnose a power supply. I only learned this technique from a co-worker when I was already working. Most of tech person already knew this process. So, I am going to share this to you now. This process work well that you could easily determine if your power supply still work.  This applies to the computer that won't start. Let's pretend that you power on your computer but the system did not turn on. So, if you have already checked your AVR and UPS (uninterruptible power supply) unit if their lights were on. Also you have already checked every power cable if they were all mounted correctly. Then you get to the point that you...