Exactly how to Test a Computer Power Supply|Jumper Wire, PSU Tester, and also Multimeter
CompTIA A+ Hardware – 220-1101 Exam Prep
#powersupply #howto #comptia
**** IMPORTANT ****.
Take correct safety and security preventative measures. Power materials lug harmful degrees of electric existing. You need to:.
When functioning on a power supply, never ever ground on your own.
Never ever dismantle a power or open up supply. Constantly change the whole device.
**** Additional Info ****.
Criterion Advanced Technology eXtended (ATX) power materials give + 3.3 volts, +/- 5 volts, as well as +/- 12 volts of DC power. The majority of contemporary elements need +12 volt outcome.
Each voltage result circuit is described as a rail and also can power several gadgets.
Some computer system makers, such as Dell or HP, generate exclusive power materials. These power materials could have a special form or make use of various electrical wiring schematics on ports.
Some power materials have a voltage button that toggles in between 2 voltage setups. Depending upon the nation, usually you can toggle the voltage button either in between 115 and also 230 volts, or in between 110 and also 220 volts.
115 volts is made use of in North America.
230 volts is made use of in Europe.
100 volts is made use of in Japan.
220 volts is utilized in many components of Asia.
Power Supply Cables Explained – https://youtu.be/ncJAlasqr08
Power Supply Tester – https://tinyurl.com/3r6m3tk8
In this video clip, I show just how to evaluate your computer system power supply. I assess 3 various alternatives that you can make use of to evaluate your PSU as well as clarify each carefully.
Signs and symptoms 00:53
3 Options 01:20
Jumper Bridge 02:02
Jumper Wire 02:42
PSU Tester 03:30
*** Most power materials for customized builds will certainly have all black cords for each rail. If you have an older or exclusive power supply, it may have yellow, orange or red cables. These shades stand for certain voltages:.
Take appropriate safety and security preventative measures. Power materials bring harmful degrees of electric present.
If you examine the power supply utilizing a multimeter or power supply tester, voltage degrees must be within +/- 5% of regular. The power supply is negative or falling short as well as you need to change it if they aren’t.
12 V rail need to be in between 11.4 and also 12.6 volts.
5 V rail ought to be in between 4.7 and also 5.25 volts.
3.3 V rail ought to be in between 3.1 and also 3.4 volts.
*** Most power products for customized builds will certainly have all black cables for every rail. If you have an older or exclusive power supply, it may have yellow, orange or red cords. These shades stand for details voltages:.
Yellow – 12V.
Red – 5V.
Orange – 3.3 V.
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