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Help looking for a diogram of a compaq pressario tower. i put a new power supplier in and don't know what hook ups go were

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The main thing that u need to know is to connect the power supply to the motherboard where the old one was and the cords with the dual 4 prong wires can be used for either a hard drive with a nother harddrive or 2 cd roms ok but dont cross them ie cd rom and harddrive the small square plug ins are for the a drive ok or zip drive please keep me informed how your progress is going i can help more if needed
best regards mike

Posted on Aug 26, 2008

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I have a duracell 800 watt invertor which i hooked up backwards to the 12 volt battery. sparks flew and it will not work? help

Any particular reason for hooking it up backwards? most likely something inside is fried and you will prob have to purchase a new unit.

Good luck

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Dell Latitude D810. I bought a new powr supply from dell. I keep getting a popup saying that it cannot determine the AC power adapter. Also, my battery is dead.


You will get this error when you get a newer power supply than what was originally design for the Latitude, also when the unit came from a 3rd party supplier not on Dell's OEM supplier list, and your battery will some what solve this upon getting a new one.

As for the pop up itself, no harm. Just a nusance. You should be able to turn this off in the Administrator file and select services. Look for power management and deselect monitor AC power.

Good Luck.

Jan 24, 2011 | Dell POWER SUPPLY Power Supply

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My compaq desktop will not power up and it has a blinking green light on the back of it were you plug in the cord

Hi ,

With what you have just told me it seems to be a hardware issue,as there is a light at the back panel of the computer tower it means that the computer is getting the power.The light that you see at the back is for the power supply ( SMPS) box and it seems that it is functioning ok.Generally in these kind of circumstances we have found the motherboard to be the culprit.I believe there is no light on the front panel and these are the steps if it is so .
Turn the computer off and then disconenct all the external devices and then open up the computer tower then once it is open look for the memory card's these are long green cards that looks like a scale and is around 4 inches long ,there can be one or more than one .So remove the memory cards and then turn the computer on and if you hear long beeping noise it means that the motherbard is fine but no sound at all indicates the motherboard to be bad and needs to be replaced or serviced ..Please do these steps and let me know...THANKYOU ...

hope this helps you .....all the best

May 15, 2010 | Bestec (ATX-250-12E) 250-Watt Power Supply

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Emachines w3507 power

detarch all accessories or hardware connected to the system , then bring out the power pack itself out completely look for a soldering led to test the functionality of the power pack itself if it rotates the fan of its pack by looping the first hole to the third hole cable in the power pack connector that will head into the motherboard. therefore, check the mother board if there is any damage on it like some component if all this is false . then plug the power pack to the outlet and fix the connector of the power pack to the motherboard after detaching both cd drive , floopy disk drive leaving the hard disk and the memory . then change the memory card and press on the system there should be a solution from all this . the problem should be from the Memory not to be able to start up the system but go through those process i have given you before concluding it was the memory ok....

kindly rate this solution......

May 05, 2010 | E-Machines Bestec ATX-300-12E Rev. D 300w...

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I have an old computer (not this one)which uses

How do you "warm" the computer, so that it will start properly?

Take a close look at the motherboard.
Look for those round "towers" with "silver" coloured caps.
They are capacitors.
If any caps are _not_ flat, i.e., they are bulging,
or if any caps show brown "rust" on top of the caps,
then those capacitors on the motherboard have gone bad.

Before your motherboard _completely_ dies, backup "everything" to an external disk-drive, verify that the backup has worked, and then either "trash" the motherboard, and replace it. You'll have to reinstall Windows onto the new motherboard -- find the CD/DVD set that you used to install XP.

Feb 28, 2010 | HP and Compaq Pavilion Replacement 200w...

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it is your power supply it needs to be replaced

Jan 07, 2009 | Gateway Bestec ATX-300-12EB3 305w Power...

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Power supply

Is this by chance a computer power supply? Does the computer come on when the power button is pushed? If so, then the fan itself is bad- bearings are stuck/lubricant dried up etc. Replacement fans are readily available at low cost.

if the power supply is dead, then likely an internal component has failed. If you have some tech savvy, a voltmeter, soldering/desoldering items & skill, you may be able to repair the supply. A very common failure is one or more electrolytic capacitors, and these may show visible signs of failure- bulged out end, and/or leakage.

ATX style power supplies, used in most machines of the past 8-10 years have both a standby and main section. The standby supplies a low current +5 volts to a small portion of the motherboard. When the pwr button is pushed, the main section comes on, and supplies +5 (Red wires), +12 (Yellow wires), +3.3 (Orange wires), -5, -12. Look here for this info

Voltages are precisely regulated, and any substantial deviation (more than a few 10ths of a volt) indicate a problem, especially on the +5 & +3.3 lines.

Anyway, you could make these checks. Replacement electrolytics- use the Panasonic FC series (designed for switching power supplies) available from Digi-key electronics, or equivalents (Mouser electronics another possible supplier).

Jul 05, 2008 | Compaq (243890-001) 250-Watt Power Supply

1 Answer

Have speakers but no does not know it has audio port.

Well, they both should work if you go to HP's download and support website and download the appropriate drivers for your associated hardware. Find out what hardware you have by downloading a marvelous freeware program called Belarc advisor. it will list all hardware, software, versions, keys, etc. When you installed the XP frm Siemens, it likely installed drivers compatible with the model it was designed for, rather than your Fujitsu. First, go to control panel, click Hardware and sound, then see what audio device it thinks it has. If it isn't the one your motherboard was designed for, find out what motherboard you have with Belarc, then download the audio device which works with it at the HP website. Whew. Let me know how it goes.

Apr 18, 2008 | Computers & Internet

1 Answer

Hp compaq d220 mt tower

what kind of beeps??
long beeps point to faulty memory.
one long two or three short beeps point to faulty videocard.
the devices might just have come lose......
please describe the beeps

Oct 16, 2007 | Computers & Internet

5 Answers

Power Supply

I would to make sure all the power plugs on the inside of your computer are snuggly secured. Also check to make sure the RAM sticks are plugged in correctly and that the processor is present and in place.

Aug 27, 2007 | Computers & Internet

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