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Recommendations for power strip, etc. for HP Slimline

I'd like any recommendations for a power backup system for my HP Slimline s3100n. I currently have an APS brand power strip (bell shaped one) that's about 7 years old. Should I buy a different power strip, or a UPS or surger protector. I am using a cable modem, and lightning is one of my concerns.

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Hi when you buy a power strip especially to prevent lightning strikes ensure that the power strip has gas tube protection alongwith the usual MOV and Fuse

Posted on May 15, 2008

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Hp pavilion slimline shut itself off and will not come back on.

Sounds like a power supply problem. Usually this occurs when
doing work that involves a lot of memory, and progressively gets worse.
It has something to do with the crowbar circuit that shuts the power supply whets overloaded; sometimes a trigger-happy SCR.
Life is a lot better if you use one of those Ebay power supply testers with an LCD display, but these testers don't draw enough current to trigger a potentially bad crowbar.
Best solution I can think of is purchase another ATX power supply 350w or more with the same dimensions. Pay attention to the lenght of the replacement ps to see if it's too long (front to back) to fit in your computer.
Hope this helps.

Sep 16, 2012 | HP ABS250WPSE Micro ATX Power Supply for...

1 Answer

When plugged in, the fans don't come on and pushing the computer On Button and nothing happens and the psu yellow light is blinking. I can unplug the 24 pin connector, and plug it back in, and the...


The Power Supply has a weak voltage power rail.

1) If ALL of the LED lights were on at once they would use less than 1 Watt of power.
(Amperes, {Amp's} times Voltage = Watts)

2) EACH fan uses 2 to 3 Watts of power.

3) A typical Processor may use 51 to 125 Watts of power. Just depends on what Processor it is.

A) Yellow light is a Diagnostic light. Blinking yellow tells you the Power Supply is bad.

B) When you unplug the 24-pin ATX main power cable from the motherboard, you have relieved the Power Supply of a load, temporarily.

The power supply then builds up enough power, that when you plug the 24-pin ATX main power cable back in, the fans run long enough until the built up power is drained.

Inside the Power Supply are Electrolytic Capacitors.
They are used as Filters.
They filter the incoming AC electricity, and the outgoing DC electricity.

(They are in the Input Stage, and the Output Stage,



Click on the photo at the top right, to enlarge.

The first link above shows a side view.
The second link shows a top view.

The round objects that have a B on them are Electrolytic Capacitors.
They are in the Input Stage.

The ones to the right that surround the letter E, are also Electrolytic Capacitors, and they are in the Output Stage.

Basic construction of an Electrolytic Capacitor used in your power supply, is an aluminum shell case, three strips with a lead off of each one, (Wire), a cap at the top, a cap at the bottom, and Electrolytic Paste.

A) Three Strips:
1) One strip is a metal foil strip with the Positive lead attached to it.
It is the Conducting Strip.

2) One strip is a metal foil strip, and has a Non-Conducting medium applied to it.
It has the Negative lead attached to it.
It is the Non-Conducting Strip.

3) The last strip is a paper composite, and is soaked with Electrolytic Paste.

The case is a cylindrical aluminum shell.
At the top there is a flat, round aluminum disk. It has a K or X shape etched partway into it.

At the bottom is a round, flat synthetic rubber disk. It is the Bung.

The paper-like strip is laid in-between the two metal strips, and all three are rolled up tightly.
The two leads from the Conducting strip, ( + ), and the Non-Conducting strip ( - ) are inserted through the rubber bung at the bottom of the capacitor.

As an Electrolytic Capacitor fails it builds up gas inside. (Hydrogen Gas)
{Gas is created from the Electrolytic Paste }

The gas expands, and begins to push Electrolytic Paste out.
So much paste loss, and the capacitor operates, but at a weakened state.
Too much paste loss, and the capacitor fails.

This is why the computer may have turned on one time, and not the next. Then it fails to turn on at all because of a bad power supply.

This is NOT an invite to open your Power Supply, and attempt to repair it.
Those large capacitors shown in B, (Input Stage) may still be good.
Usual voltage ceiling for them is around 100 VOLTS!

If your fingers touch the two terminals on the bottom of a capacitor, (Radial Aluminum Electrolytic Capacitor), the stored power can be released to YOU!

If your fingers, or any of the rest of your hand, complete a circuit that any of the capacitors are in, the stored power can be released to YOU!

Shock can be from BAD to FATAL.

See if there is an unused computer with a good, compatible power supply, that you can borrow for a test unit.
Also make sure your computer is clean inside.
Dust, dirt, hair, food crumbs, spider webs, etc., will 'Kill' a Power Supply, and a computer F-A-S-T!

{It's just an ATX power supply. The type used in a LOT of desktop personal computers.
If you need a recommendation for a PSU, just hit me up in a Comment}

For additional questions please post in a Comment.


Sep 07, 2011 | Gateway Bestec ATX-300-12EB3 305w Power...

1 Answer


Replacing the Power Supply DEPENDING on the power needed? you might have to settle for a slower, weaker performing video card. Make sure you check the video card power supply specs needed.
Chances are you will max WATT at about 300WATTs less then what you'd need to power a gaming video card. OR you could do as I'd do.
Remove everything and place it all in a standard tower case - install a 650WATT power supply in to the new mid/full size case and BAM solution found.. Have fun and a great day to ya.

Oct 10, 2010 | HP (0950-3952) (09503952) 425-Watt Power...

2 Answers UPS was fully discharged and packed upto 2months, 2 months ago , i was taking 20 min backup from it.but now its not giving any backup when power off.....plz suggest..

hold the reset button on UPS for 30secs while the power is turned on...
Then keep the UPS on charge for 16 hours with no load...
then check for the backup... while you shut down the computer you should not turn off the power supply to UPS...

Aug 06, 2010 | Computers & Internet

2 Answers

I push the on button and nothing happens. is it


Even though a lot of things might have gone wrong and caused this, especially if where you place the System is not well ventilated, and the CPU becomes very hot, it shuts down automatically...and you will have to wait for a few moments, get a cool environment and power it on. but I will also try and tell you some troubleshooting steps that you can try.

Since you have already checked the power source and all is Ok, then try this out:

Disconnect your PowerPack(Power Supply Unit) from the CPU and try to power your PC with another Power Pack (Power Supply Unit), that you are very sure is working.

If it powers up, then just get a new Power Pack(Power Supply Unit) for system.

If you cant do this yourself, just get a good technician to do it for you.

Try this first and let me know how it goes, so as to know the next step.

Hope this helps.

Nov 21, 2009 | Hi-Pro (HP-P401W) (HPP401W) Power Supply

1 Answer

Hi. I returned from vacation and turned on my power strip and monitor, tried to start my emachine t5026 computer and got nothing. the power light on the back of the power supply is off. If I unplug or...

Your Power supply is most likely dead.

A power strip is not sufficient protection against black outs, brown outs, power surges and other electrical interruptions that occur in the house. Many PC components are very sensitive to fluctuations in power and power supplies often are among the first casualties when a serious problem occurs.

To protect yourself against these common power issues you should invest in an Uninterruptible Power Supply or UPS. A UPS is basically a battery backup that will provide power when brown-outs or black-outs occur and will protect the delicate electronics in your PC. You can purchase them at most stores that sell computers and components.

Nov 10, 2009 | E-Machines Emachine T5026 power supply **...

1 Answer

No voltage output

Would recommend replacing this unit instead of serrviceing it yourself it will cause adverse effect and may even smoke. These units once they dye there gone. If you need a diagram I would direct you to

Apr 22, 2009 | HP Bestec ATX-1956D 200w HP Part No...

1 Answer

Power supply repair HP Pavilion s 7210 n Slimline

need fans on main cpu maby died replace with ball bearing blow all the dust out of it with big vac on blow ok and go nuts blowing dust out add hiend nice quilty fans mascool on newegg 10 pack 12 bucks free ship cheap nice need air flow getting to hot and power suplly cant keep up get nice dual rail one ok

Jan 10, 2008 | Computers & Internet

1 Answer

12 volt Power souce

I don't recall there being a switched power source in the back, but I'm not 100% sure. Does it have the cigarette lighter jack in the back (for an air pump, etc)? That may or may not switch with the ignition.

If you want it to come on only with the backup lights, just tap into the power wire for the backup lights themselves.

Jan 08, 2008 | Computers & Internet

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