In this youtube video tutorial I show you how to test a psu with a multimeter or how to test a power supply unit using a digital multimeter. This is an advanced troubleshoot tutorial. There is a paper clip test you can do to check if a power supply is dead or not. However that test only checks for power but not for correct voltage.
First you need to test for AC Voltage coming from the mains plug. Next you need to test for DC voltage from each of the pin on the power supply unit.
Standard ATX 12V power supply units can be either 20 pins or 24 (20+4) pins. The method is the same for each.
This video is also a stand alone tutorial as part of a longer Troubleshoot series, see details in the video and below.
Time Stamps:
00:36 Troubleshoot Series Intro | Desktop Pc Computer Not Turning On No Display | How A Computer Works
https://www.youtube.com/watch?v=Wkcx-...
00:44 Test A Laptop Charger Adaptor With A Digital Multimeter
https://www.youtube.com/watch?v=-jbD2...
00:50 Troubleshoot A Dead Computer Pc No Power - Desktop PC Computer Not Turning On At All Easy Fix Repair
https://www.youtube.com/watch?v=cbYdM...
00:55 The paper clip test
001:43 Power Supply Unit Replacement Under 2 minutes Challenge
https://www.youtube.com/watch?v=cQqCk...
01:55 Mastech Digital Multimeter MS8268
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02:53 UK AC Voltage Range: 216.2 to 253V
http://www.nottingham.ac.uk/etc/guide...
03:02 Tolerance of -6% to +10%
04:42 Turn a Computer Power Supply into Bench Power by Jason Poel Smith
http://makezine.com/projects/computer...
06:00 Laptop No Display Black Screen Blank Screen On Startup | Best Guide How To Fix Troubleshoot Repair
https://www.youtube.com/watch?v=E60Vj...
07:26 DC Volt Tolerance
Red/Purple: 5V +/- 4% = 4.8 to 5.2 V
Yellow/Blue: 12V +/- 4% = 11.52 to 12.48
Orange: 3.3V +/- 4% = 3.168 to 3.432
10:18 How To Take Out Or Remove A Motherboard From A Desktop Computer Case | Breadboarding Easy Mode
https://www.youtube.com/watch?v=UM-9w...
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How To Test A Power Supply Unit (PSU) With A Digital Multimeter | Advanced Troubleshooting | |
| 609 Likes | 609 Dislikes |
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| Science & Technology | Upload TimePublished on 14 Oct 2017 |
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