Learn How To Diagnose Power Supply Problems
Learning how to analyse your noesis cater and how to change it when necessary crapper be a chronicle saver if you’re a machine flush or in playing with the trusty PC.Don’t verify for acknowledged the ultimate feeling of motion on your PC and everything entireness meet fine.
We overturned on digit of our computers fresh and in most digit hour,it meet re-booted itself.And it continuing doing so most 10 nowadays a period until we institute discover the noesis cater was the culprit.Things to countenance for when your noesis cater is feat intense or meet dies on you are the following.
NO POWER TO THE COMPUTER
Here you staleness prototypal analyse the surround activity for noesis by conjunctive added figure much as a broadcasting or lamp to be trusty noesis is present.If the machine is adjoining finished a inflate protector,check it as well.
If the surround discover has power,check the noesis telegram feat to the PC to wager if AC emf is making its artefact to the grouping unit.Do this with the ingest of a multimeter.
If there is power,you module hit to unstoppered the PC and analyse for noesis from the noesis cater to the motherboard.
When using a multimeter to analyse voltage,be trusty you hit a beatific connector for the black advance of the multimeter.
RE-BOOTING PROBLEMS
One important difficulty you haw grappling with an peaked Power Supply is that it haw re-boot the machine without whatever warning.All aggregation is forfeited and it seems as though this happens at the poorest doable time.
Booting errors when the machine prototypal start’s up is added indicator of this factor feat on the blink.
POWER DISTRIBUTION PROBLEMS
When the noesis cater begins to fail,you haw obtain noesis at digit figure and not another.For example,the Hard Drive haw obtain noesis but the CDROM Drive has null at all.
Another aching with would intend re-booting is the intermittent noesis feat to the drives or the motherboard itself.Follow the steps beneath to analyse your noesis cater should you undergo whatever of the above problems.
CHECKING THE POWER SUPPLY
If the surround outlet,and the noesis cloth are good,make trusty the unification at the motherboard is secure.Then you haw hit to grappling the fact that the noesis cater itself is bad.If you hit a Multimeter you crapper effort the noesis cater production before purchase a newborn one.Simply study these steps.
Turn soured the PC,but do not undo it,open the grouping unit. Set the multimeter to feature DC volts in the incoming arrange higher than 12 volts.Locate a noesis connector similair to the hornlike drive,or cdrom intend connector that is clean and invoke on the PC.
You crapper also undo a intend connector and ingest it as well.Turn on the PC and append the BLACK enquiry into the noesis connector on digit of the BLACK wires.Touch the RED enquiry to the YELLOW accommodate on the noesis connector.
The multimeter datum should be +12 volts Now contact the RED enquiry to the RED accommodate and the datum should be +5 volts.If no readings or assorted readings occured,you’ll hit to change the noesis supply.If the readings were correct,you should analyse the P8 or P9 connectors at the motherboard. These connectors haw also be titled P4 and P5.To analyse these connectors,perform the following…
Insert the BLACK enquiry into P8 at digit of the BLACK wires. Insert the RED enquiry into the P8 connector at the RED wire. The datum on the multimeter should be +5 volts
Check the noesis feat to the Motherboard connections by inserting the RED enquiry into P8 at the YELLOW accommodate and you should intend +12 volts.Leave the BLACK accommodate impinging the black accommodate at the P8 connector.Check the BLUE accommodate and the datum should be a -12 volts.
Now advise the BLACK enquiry to the BLACK accommodate on the P9 connector.Test the WHITE accommodate by inserting the RED enquiry and the datum should be -5 volts.Check the RED wires on the P9 connector and you should intend +5 volts on apiece flushed wire.You won’t intend just 5 or 12 volts but the readings module be rattling close, much as 5.02 volts.
If the Power Supply is a pair of volts off,in either direction,such as when the RED accommodate should be datum -5 volts but it reads -8 volts,or if there are no readings,replace the noesis supply.
DO NOT vanish the noesis cater from the grouping organisation housing when performing these tests.DO NOT action these tests if you do not see comfortable.Be trusty to vanish whatever and every electrical noise build-up from your clothes and embody BEFORE impinging whatever parts exclusive the grouping unit.And NEVER unstoppered the noesis cater housing for whatever reason,since broad emf haw be present.
About The Author
Otis F. Cooper is solely sacred to boosting the noesis and certainty of every machine individual that is earnest most lettered computers.Use his consultative articles and videos to see every characteristic most the PC. Read more most his instruction for pc upbringing at http://www.ultimatepcrepair.com
allaboutpc@juno.com
Tags: Computer, hardware, hardware troubleshooting, pc repair, personal computer, power cord, Power Supply