Question about Compaq Presario 6350US (808736414036) PC Desktop

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Power switch will not power comnputer - does anyone know exactly what I need to fix this problem and where to order.

Need to find a power switch assembly for a presario 6350 us - switch in computer now will not work.

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Presario power switch assemblies are only made for and sold by HP. If the manufacturer will sell you one (which I doubt) you will need to contact them at

There is nothing unique about a power switch, any momentary on contact will work. Have you tried shorting the two pins to see if it is actually a switch problem?

Posted on May 17, 2009


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CQ5110f Computer won't turn on

Suggest perform the simple test to see if the problem is the Power On switch, or the Power Supply.

This requires bypassing the Power On switch.
DOES NOT involve cutting any wires, or splicing any wires.

Before we go on I wish you to know this;

The metal case of the Power Supply, retains the dangerous high voltages inside.
100 to 240 Volts AC, depending on what country you are in.

The Power Supply is a Converter.
It converts the high AC voltages down into 3 low DC Voltages;
3.3 Volts, 5 Volts, and 12 Volts.

In comparison two D cell flashlight batteries produce 3 Volts DC.

The power cables coming out of the Power Supply, carry either
3.3 Volts, or 5 Volts, or 12 Volts; DC.
(Orange = 3.3 Volts. Red = 5 Volts. Yellow = 12 Volts)

The Power On switch deals with the Soft Power On circuit.
This circuit uses 5 Volts DC.

Posted, because I wanted you to know, I AM thinking of your safety at all times.
However like all connections made when dealing with electricity, there may be a small Spark.
You may wish to wear a glove on the hand, that deals with the jumper wire.

Going on..........

Let's look at the motherboard used in a Compaq Presario CQ5110F Desktop PC,

HP Support > Compaq Presario CQ5110F Desktop PC > Main Support page,

Click on Product information > Product specifications > Motherboard Specifications, M2N68-LA (Narra5),

Motherboard is shown with no hardware components attached, nor cables. I'm just using it for Clarification. Everything is supposed to be attached when testing.

Look all the way to the Right side, and to the long black rectangular connector. Now look at the long whitish/yellowish connector under it.
Has two columns of 12 Socket Holes.

This is where your 24-pin ATX main power cable plugs in.
This is a general example of a 24-pin ATX main power cable, and it's respective connector on the motherboard,

[Note color of connectors does NOT matter ]

You need the main power cable plugged in, as shown in the photo to the far Right.
Observe the Green wire. This is the Soft Power On wire.
-> ANY Black wire you see is a Ground wire.

The preferred jumper wire is a paperclip.
Straighten it out, then bend into a U-shape. Turn the U shape over in your mind.
The Top of the U is wrapped a few times, with black plastic electrical tape.
This taped area is for your fingers, and thumb to hold onto.

The 'legs' are what is used for a jumper.

One leg goes down into the socket hole, with the Green wire.
The BACK of the connector is where the wires go in.
The leg goes down in the Back.
It slides down in the socket, RIGHT NEXT TO the insulation of the Green wire; and touches a metal female terminal.

This is an example of the female metal terminal. Just posting for edification,

At the end of every wire going in the main power cable's connector, is one of these female metal terminals.
You can barely make out the round openings, in the middle photo of the Playtool link above.

For this reason you need to Ensure that the leg of the jumper wire, is indeed touching that metal female terminal.

The other leg of the jumper wire goes down into ANY Black wire socket hole.
Power Supply plugged into power.

The contact time is no more than 2 seconds. This is because the Power On switch is a Momentary Contact Switch.

IF, the Power Supply turns on, you have a bad Power On switch.

IF, the Power Supply does NOT turn on, you have a bad Power Supply.

This baby works in MOST personal computers,

The Power On switch is located INSIDE the plastic assembly, of the Power On Button.
I use a hair dryer set to low heat, and constantly, slowly, move the hair dryer nozzle; back and forth on the plastic of the Power On Button assembly.

Helps to soften the plastic enough, so that the assembly will spread far enough, to get the Power On switch OUT.

Awaiting ANY additional questions. Please post in a Comment.
(Remember, there is no such thing as a stupid question, just one that hasn't been asked yet)

Can guide in replacing the Power On switch, (Remove Front Panel), and in replacing the Power Supply.


[When you are finished working on a desktop computer, remove and reinstall the Ram Memory modules. ('Stick')
They always seem to get bumped loose.

Problem is you may not see it. In fact betting you won't.
Best method to ensure they are seated tightly, and correctly; is to remove and reinstall.

If you move the cables with the computer, you can lay it on it's side, opening of computer case -> UP; for more ease of working on it.

Your computer can lay on it's side, or upside down; and will work ]

Feb 18, 2013 | Compaq Presario CQ5110F (NP185AA ABA) PC...

1 Answer

I forgot my bios password compaq presario 900 password bios cen you help my

Before removing the RTC battery, follow these steps:1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn thecomputer on, and then shut it down through the operating system.2. Disconnect all external devices connected to the computer.3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet andthen unplugging the AC adapter from the computer.4. Remove the battery (see Battery on page 34).5. Remove the following components:a. Hard drive (see Hard drive on page 37)b. Optical drive (see Optical drive on page 44)c. Switch cover and keyboard (see Switch cover and keyboard on page 46)d. Display assembly (see Display assembly on page 50)e. Top cover (see Top cover on page 55)f. Fan (see Fan on page 58)g. System board (see System board on page 60)Remove the RTC battery:1. Turn the system board upside down, with the audio connectors toward you.
found here: page 65. you'll have to pull the battery for 5 minutes and then reinstall and all cmos passwords should be cleared! good luck

Jan 27, 2012 | Compaq Presario Notebook

1 Answer

Having trouble w/ on / off switch ... have already replaced power supply ... computer turns on and off at will ... but not necessarily when you want it to ... replacement part number for...

"computer turns on and off at will"
May be a wattage issue considering that you replaced the power supply. The power supply may no be providing enough power to the Compaq Presario 6370US, you must have at least a 400 Watt Power Supply to help the computer run. Also, check to see if all your internal fans are working, i can also an overheating issue.

Feb 27, 2011 | Compaq Presario 6370US (OBDA219A#ABA_1) PC...

1 Answer

I need Nokia 6350-1b unlok cod imei 351975030042079

you can unlock it and switch over to another network , if you want to unlock, you can get codes here
you need to specify the country and network provider

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Trying to install a new mpt (shootout) assembly for the xerox phaser 6350. Is there a manual/diagram somewhere that I can refer to? Thanks!

Here is a link to the complete service manual for the xerox phaser 6350 it has full diagrams and step by step detailed instructions for every part of the printer

Hope this helps

Mar 23, 2010 | Xerox Phaser 6350DP Laser Printer

1 Answer

Where does a microphone plug in?

it is usuall at the back of the case next to the speakers. the speakers have a green circle, while the microphone will be purple or pink.
there maybe a port in the front of the case.

Jan 25, 2010 | Compaq Presario 6350US (808736414036) PC...

1 Answer

I dropped my presario compaq computer and it

Soorry, one has to fully dis-assemble a Presario to get to the bottom of the motherboard to replace the connector. The part only costs about $6 but it take a few hours of very careful labor to repair this.

Oct 14, 2009 | HP Compaq Presario R4000 Notebook

1 Answer

My Compaq Presario SR1210NX will not turn on OR

tell her she need to switch off pc when not required this will help not to build the static eletricity in ur remove tht electricity tell her to hold the power button on for 2-3 minutesa without switching the power on this might help

Jul 21, 2009 | Compaq Presario SR1210NX Celeron 330...

1 Answer

Replacent fan

You should really go to the manufacturer to order the part. or try looking at

Those last two sell parts at a good price and I have never had a problem with orders or shipments. Hope this helps

May 25, 2008 | Compaq Presario 5000 PC Desktop

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