Question about Compaq Presario s4020wm (DK214AR#ABA) PC Desktop

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Compaq presario s4020wm

I need a new power pack supply where do i go to replace this online?

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  • raine4267 Mar 09, 2008

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You mean the internal power supply? that's available for around 20 bucks anywhere online..usually called a PCXT power supply..big issue is finding one that's identical with connectors..

take yours out, and then maybe there will be a part number or maker on the label.

Posted on Mar 10, 2008


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I need to acess the BIOS on my PREsario s4020WM but i need a password to do it is old and was my parents so i cannot figure it out so i jut need the options of what the password would be or how to reset it

Disconnect the power. Remove or reset the jumper near the cmos battery. Connect and turn on your computer for a minute. Turn it off. Reset the jumper to it's original setting and you're done. Put everything back together and you're good to go. Good luck!

Dec 19, 2010 | Compaq Presario S4020WM PC Desktop

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I turn on the power of my computer and it shows the compaq name then goes to a resume windows that is highlighted and when you click on it the screen goes black and the computer does not load

I suggest you have Power Supply problems. A failing power supply will emulate all kinds of software problems.

Let's start with the easy stuff first.

How dirty is the computer inside, and the Power Supply? Has the inside of the computer, and the Power Supply, been cleaned on a regular basis?

(Computer off, and unplugged from power, computer case open. A can of compressed air is used to clean)

From there I would suggest testing the Power Supply, (Requires a multimeter, or a power supply tester), or replace the power supply with a known to be good unit, for a test.

To summarize:

Let me know if the computer is dirty inside, and if you need guidance on how to clean it. (Power Supply also)

From there, if you wish I can guide you on testing your power supply, or replacing with a known to be good unit, for a test.
Simply state in a Comment.

This is HP Support, and the download page for a manual which instructs on how to open your computer case, (Page 118)

With this manual I can also guide you in replacing the power supply.

Why do I think it's a power supply issue?

You don't have enough power to turn the Processor on.
Power Supply's are rated in Wattage.
Voltage times Amperage = Wattage.

1) ALL the lights require less than 1 Watt of power.
2) EACH fan uses 2 to 3 Watts of power.
3) A typical Processor requires 51 to 125 Watts of power. Depends on what processor it is.

The Compaq Presario S4020WM Desktop PC, comes with an AMD Athlon XP 2400 processor. (2.4GHz)
When operating at full capacity, this processor can use up to 68.3 Watts.

You have enough power to turn on lights, and spin fans, but not enough to turn the Processor on.

Apr 14, 2010 | Compaq Presario S4020WM PC Desktop

1 Answer

I need to replace that front usb ports on my compaq Presario s4020wm Can they be replaced

I think it would be much easier for you to use a USB hub instead.
It's much more easily available .

You can connect the hub to one of the rear USB ports

Mar 28, 2010 | Compaq Presario s4020wm (DK214AR#ABA) PC...

1 Answer

Compaq Presario S4020WM

You need all the supported motherboard drivers (eg: PCI Bridge...) as you can see by the image of my Device manager screen there are MANY motherboard driver.621c9d7.jpg Goto manufacturers web site... You should be able to get them.

Apr 04, 2009 | Compaq Presario s4020wm (DK214AR#ABA) PC...

2 Answers

Black screen

Ensure that the power button is pressed and the monitor is plugged in correctly. If ok, then the installation was stopped while installing your video drivers. If possible use another monitor to re-load the xp operating system until completed. Once the video monitor drivers are loaded the monitor will work again. Let me know if you have any questions.

Don't forget to rate this solution before you log off.

Jan 26, 2009 | Compaq Presario S4020WM PC Desktop

3 Answers

Presario S4020wm desktop

You need a new power switch. I am currently working on a S4020WM with the same problem. I cut one wire to the power switch, then used a paper clip to make a jumper to start the machine. It has run fine since then. The only trouble I am having is finding a replacement switch.

Sep 04, 2007 | Compaq (480082-001)...

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