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Where is the fuse inside a nec powermate VL4

After moving computer, its gone dead

Posted by Anonymous on

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jonags3
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SOURCE: Problem upgrading hard disk for

kindly state what type of upgrading? Are u changing your hard disk or installing? If you will buy any hard disk will do IDE or SATA but make sure its higher capacity. 80 GB and up is suited to ur PC.

Posted on Nov 28, 2008

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joecoolvette
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SOURCE: NEC Powermate V466 No power

billyto91, I haven't worked on an NEC Powermate V466 before, but searching the internet reveals it to be a desktop computer.

My sources do not exactly indicate whether it is a desktop unit, that the computer case resembles a 'pizza-box', or is a tower style of computer case.

This is a Service Manual I found online just now from NEC, (Free),

http://support.necam.com/mobilesolutions/hardware/Desktops/486/486man.ASP

Left-click on - Service and Reference Manual (ELSIE) for V466 Series (DT & MT)
(In blue)

This is a PDF file. May take up to 30 seconds before you see the first page. (Took 6 seconds to download for me, with a medium speed DSL connection)

The reason I posted this link, is to try to give you information on opening your computer case, and see what style of Power Supply it uses. More specifically, what main power cable the Power Supply uses.

1) Computer unplugged from power. Open the computer case. The Service Manual is less than, in that it has omitted some necessary illustrations.

Indication is, that there are two screws on the back of the computer case, that are removed. Then the cover is slid forward, and lifted off. ('Pizza-box' style)

BEFORE you reach inside, I advise observe anti-static precautions.

{Your body carries Static electricity. Static WILL fry out (Short Circuit) the hardware components inside a computer.

Computer unplugged from power, TOUCH the metal frame of the computer case.
This action will relieve your body of Static.

Should you get up, and walk away from working on your computer, upon your return Touch the metal frame again}

If you have a 20-pin ATX main power cable connector, or a 24-pin main power cable connector, there is a procedure that can be used, to see if the problem is the Power On switch, or the Power Supply.

Example of a 20-pin ATX main power cable, and it's respective connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

Scroll down further for a 24-pin ATX main power cable, and it's connector.

I'm willing to bet you have a 20-pin ATX main power cable.
Observe the photo all the way to the right.
You will see a Green insulated wire, and a lot of Black insulated wires.

The Green wire is the Soft Power On wire.
ANY Black wire is a Ground wire.

The procedure is to use a jumper wire from the Soft Power On wire, to ANY Ground wire.

(It is a little more involved than this. Should you desire to do this procedure, state so in a Comment. {Believe upper right of your page}
I will detail in length of how to do the procedure)

IF, using the jumper wire turns the Power Supply on, the problem is a bad Power On switch.

IF, using the jumper wire does Not turn the Power Supply on, the problem is the Power Supply.
(Bad Power Supply. Weak Voltage power rail)

This is an example of a Power On switch, that I have found fit's many computers,

http://www.directron.com/atxswitch.html

I realize this is a bit much all at once, if one is not familiar with computer repair.
I will answer your questions to the best of my ability, and guide you step by step if needed.

Posted on Jun 08, 2010

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