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Power does not comes on but powersupply ok

My neo laptop's power does not comes on. i tested my power supply with digital tester i got 19 volts meaning my power supply is okay...

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Take out the battery and try again. If it fails this time also then there's a major hardware malfunction - start by testing the power plug then the rectifier circuits from the motherboard.

Posted on Jul 05, 2010


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How do I remove/replace powersupply for dellinspiron one 19 computer

the service manual for this computer (download
Product Support Dell US )
has a section titled Power Supply (link from menu on first page) which sections titled "Removing PS" and "Replacing PS"

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How do i see a power supply failure on t100 dell?

you dont, try connect tester for powersupply or use a standard volt-tester see if you got 5 volts and 12 volts working

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I have ac Acer S202HL LCd monitor. When I booted up one day it didnt come on.

first check with your both power supply out put is coming 19 Volts dc.
if its not coming check with multi meter primary and secondary of your adopter continuity.if no continuity replace with proper working adopter.

Nov 07, 2013 | Acer S202HL LCD Monitor

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D-link router (with 1 antenna and no modem) that has no power and no LEDs lit. the outlet still works to charge a cellphone. how do we fix the router?

Possibly the powersupply for the router is dead. Find another powersupply with same voltage output to try OR test the output tip with a meter. If the power supply does work then your router is dead. Replace it. If there is no power (5 volts or 12 volts etc) coming from the tip of the power supply adaptor then replace the adaptor / power supply.

Apr 28, 2013 | Computers & Internet

1 Answer

Dell gx-280 power button blink's on yellow

This sounds like a powersupply problem. The way to know for sure would be to hook a tester up to it.
If you do not have access to a powersupply tester you can use the trick here-.
You can order new power supplies online, I would recommend newegg. When ordering a new power supply you have to make sure the wattage is equal to or more than existing, and that it has all the necessary connections for your motherboard and drives.

If you find the powersupply is fine, respond here and I can help you out.

Mar 17, 2010 | Dell Optiplex GX280 (99301) Motherboard

2 Answers

No power to the laptop

You have a malfunctioning powere supply. To test the power supply, you can use an amp meter to check how many amps it puts out to see if it is working ok. Or if you can simply connect it to another laptop with same model if available. These power supply have an output of 19 volts by the way. You can also use another power supply if avialable to see if its indeed the power supply.

Aug 11, 2009 | Dell Studio 1737 Laptop

1 Answer

Possible blown motherboard

you need a fully working battery as while you plug power adapter power light does not come on nor does the laptop itself turn on please check the power supply and its cord . If you have have not grounded the power supply third terminal this is possible that power is coming from body of your laptop.But check DC voltage output of power adapter. It should be approximately18 to 20 volts

Jul 10, 2009 | Panasonic Toughbook 19 Laptop Convertible...

2 Answers

Power problems


Ok what you need to do is take a tester and test the powersupply it self to make shure that you do get power first if you do get power then you will need to take a look at the wires at the conection point where the powersupply plugs into youre laptop, if that all checkes out well then there only 1 thing left... the battery. you can test the battery with the cable tester aswell to c if you do get power.

hope this helpes


May 20, 2009 | Toshiba Satellite P15-S470 (PSP10U-0GGPGR)...

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E-Machine Computer

you need to test the large connector from the powersupply to the circuit board inside the computer. You should be reading small single volt numbers. More than likely its a bad powersupply though.

Oct 19, 2007 | Computers & Internet

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