If your system is having issues turning on, you can check if your power supply unit (PSU) is functioning properly by performing a test. You will need a paper clip or a PSU jumper to perform this test.
How to Test Your PSU with a Digital Multimeter. If you have a digital multimeter on hand, it''s pretty straightforward to test your PSU and rule out power gremlins as the source of your computer problems.
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This step-by-step guide walks you through the process of testing your PC''s power supply unit. PC not powering on? Bought a new PSU and want to ensure it''s functioning correctly?
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Diagnose and troubleshoot your desktop PC power supply. The most comprehensive PSU tester on the market. Check power supply voltages are within the approved limits. Record the minimum and maximum of voltage and current for each rail. Measure the exact power drawn from each rail.
Testing your computer''s power supply unit is fairly simple. You can test the PSU with a basic jumper test, multimeter, or power supply tester. This will help you rule out power delivery issues as the source of your problem.
Windows 32-bit and 64-bit Device drivers required for the PassMark PSU Tester. Compatible with Windows 7, 8. For Windows 10, the STSW-STM32102 driver should not be used and instead the native inbox driver (Microsoft driver) is recommended. Download.
This article explains how to test the power supply unit (PSU) in your computer with a power supply tester. Instructions apply specifically to the Coolmax PS-228 ATX power supply tester, but they also suffice for most other PSU testers with an LCD.
A PSU tester is one of the simplest ways to test your computer''s PSU as it offers an all-in-one experience with immediate actionable feedback.