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Power supply does the store have a service that can test my power supply to see if it is working or not?

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  • cemuni Apr 12, 2008

    can I go to a store and have someone test my power supply?

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Yes of course. I bought a tester of power supplies at a computer store for $20..

Posted on Apr 13, 2008

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Posted on Jan 02, 2017

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I have a problem with a HP Pavillion a1114n. when u press the power button the cpu fan spins up for about 1 second and then cuts off and then the power led blinks on and off continuously


Bad Power Supply.
Weak voltage power rail

The hardware components inside your computer (HP Pavilion a1114n Desktop PC), are cooled by air flow. Heat is radiated away, then air flow helps carry the heat away. (Heatsink/Fan)

The Power Supply is cooled by the same method.
Power Supply's used in today's computers are SMPS.
Switched-Mode Power Supply,

http://en.wikipedia.org/wiki/Switched-mode_power_supply

Click on the photo of the open Power Supply, to the upper right.
In-between the letters B and C, and C and D; are Heatsinks.

Look like whitish/grayish rectangular blocks, of varying thicknesses, stacked along a singular flat bar.

The block shapes are aluminum fins.

Whatever this Heatsink is placed against, it will absorb the heat from it, and radiate it away with the thin fins.
Air flow from the small internal Fan, helps carry heat away from the thin fins.

Heat = Wasted Energy
The Power Supply overheats, and cannot keep up with the call for power.
Components inside fail; the Power Supply fails.

A THIN coat of dust on the Heatsink fins for the Processor, will drop the cooling capacity a LOT.

If you would like to test the Power Supply, you will be using the test for the three main voltages;
3.3 Volts, 5 Volts, and 12 Volts. All are DC Voltage.

(In comparison two D cell flashlight batteries store 3 Volts DC.
The dangerous voltage is contained within the metal case, of the Power Supply)

You need a multimeter. An economical model is around $5 to $12.
Available in a multitude of stores. An auto parts store is but one example. Large store chains may carry them on a checkout aisle rack.

Or if there is a working unused computer, that has a KNOWN to be good, and Compatible Power Supply, you could borrow it for a temporary test unit.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&tmp_task=solveCategory&cc=us&dlc=en&lang=en&lc=en&product=501964#bph06788_section_2

Regards,
joecoolvette

Nov 04, 2012 | HP Pavilion a1114n Athlon...

2 Answers

No display


One bad or faulty lead connection can cause a computer to continue restarting on a cycle or to shutdown or fail to detect your hard drive

WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.

http://www.kitchentablecomputers.com/static.php - rules


Test all power and data leads that attach to your hard drive IDE,SATA

the leads from your (motherboard to your hard drive) make sure they have secure dust free connections and are not faulty


if its a 40 pin flat ribbon type it will be the first to fail


make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty


even something as small as a faulty electrical fan and its lead can cause you problems

computers need all power and data to continue through every working device and to have an end so any faulty leads will end up with a computer error


make sure your graphics card is securely seated with no dust built up or in the socket

if you remove your graphics check the socket to make sure its dust free


restart your computer then reinstall it this should activate found new hardware wizard


hope this helps

Oct 10, 2012 | Computers & Internet

1 Answer

Wall plug not working


Hi Gabriel,

Try another wall plug first. If still no good, remove the battery from your laptop and try plugging in with no battery. If still no good, test your laptop power supply with a multimeter to see if it is putting out the proper voltage. If you can't do that, buy a replacement power supply. Many stores sell universal power supplies that come with tips to fit most laptops. If it still doesn't work, take the laptop to a service shop and have it checked out.

Hope this helps!

Joe

Mar 22, 2012 | Computers & Internet

1 Answer

DOES NOT POWER ON. PLUG IN AND HIT POWER BUTTON, NOTHING HAPPENS.


sounds like a bad power supply you can test it if you have a pc power supply tester,or have it tested at your local pc store.also check to see if its still under warrenty,that way you could get the work done for free at an authorized repair center.

Aug 23, 2010 | Shuttle XPC SK22G2 Barebone

4 Answers

The TV turns on, but after three seconds, a loud pop is heard, and the TV shuts off immediately. When I unplug, and replug the power cord, the TV automatically turns on, but I get the same problem, can you...


It appears the bad capacitor are a common problem with these pwr boards.Could not find any at local part stores in my town. Went online and found the complete board. Price 180.00 . If you open up the back the board sits in the middle of the set , part # 6709900020A or replacement # EAY32957901.

Dec 17, 2009 | LG 50PC1DRA 50 in. Plasma Television

1 Answer

Will not power on, fuse good


some electronics stores sell a power supply testing tool, try and get one and test it FOLLOWING ALL SAFETY INSTRUCTIONS to see if it is dead.

Aug 03, 2009 | Thermaltake Purepower RX 450W (W0141RU)...

1 Answer

Xbox 360 is flashing orange light does not work at all....


your power supply is toasted just buy a new one but before go to a videogame store (eb games or microplay) to test your console with an other power supply to verify if your xbox have toasted with your power supply

Jun 22, 2009 | Video Game Consoles & Games

1 Answer

No power getting to printer


This is due to the Power supply depending what country you are in i can offer you the part number but you will only be able to buy this part from a canon service company like myself, but im in the uk.

If the power supply does work work it will be down to the main board. if you had a service engineer out he would test the power supply to see if it was working to work out what part he needs.

power supply: HY7-2921-000

hope this helps

Oct 23, 2008 | Canon PIXMA MP780 All-In-One InkJet...

1 Answer

Casio Privia keyboard PX-100


There are a number of issues that could cause this, the most likely culprit is the power supply, when I say power supply I mean the internal power supply, 
This means that you have already obtained a good "known to work" AC to DC power supply, and tested it on your keyboard to see if that is the problem. 
If you have completed this step, then your next step is to test your unit with batteries only, if the keyboard works, then you know your problem, is internal to the keyboard. 
There are two issues to check, before proceeding please read the following note.
 (a note here for those who have no experience working with internal electronics)
If you have no experience working with internal electronics I would not recommend, opening your keyboard. 
Two reasons, one, will void warranty if it still is under warranty. 
secondly, you could accidently cause more damage to the unit. 
Now if you are still reading, and feeling confident, you know that as a child you have dissembled many many electronic devices, just to see how they work. 
If you do decide to open the box, disconnect the power supply to the unit including any batteries. 
open the box and locate the power on button, clean using a Dielectric cleaning agent, can be obtained at most electronic specialty stores. 
clean the power button, may work but doubtful, usually the switch itself is usually bad, there is a way to test the switch, however, that is beyond the scope of this answer, if you are following this you will most likely have the knowledge to do this. 
The second and more challenging issue will be the internal power supply to the keyboard, or the interface that connects to your ac to dc converter. 
This can be much more trickier, and I wont go into it here. 
If you test your power switch determine that it is good then you should consider getting the unit serviced by a technician. 
If you examine the boards, (electronic circuit boards,) and notice burned, connections, (darker than other circuits) then most likely it will not be worth trying to fix. 
Hope this helps somewhat, if nothing else, take this print out to your local service dealer, and that will help in getting your keyboard repaired, 
Delete this part, before taking this to your dealer, 
Most electronic products can be easily fixed with a power switch, or power supply, however, many dealers will not tell you this and give you an estimate of fixing the unit that far exceeds the actual cost of repair, 
an example, in a local TV repair shop, a friend brought in a wide screen Plasma HD TV, quoted repair, $654.00  problem, 
power supply, actual cost, $75.00 my friend ordered the part online and with the help of a friend installed the new power supply returning his unit to full functionality. 
So beware, 

Jan 15, 2008 | Casio LK30 Note Lighted Keyboard

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