Question about Dell Inspiron 5160 Notebook

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Power on immediately powers off

I just replaced my motherboard as the Dell support person said my original motherboard was fried. My machine powers up but immediately powers off after about 5 seconds. I've checked all the connections several times. Same outcome.

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Not sure what the heat sink is and that might be my problem. Because when I took out the fan assembly, the CPU came with it. I didn't try to separate the two. I assume they shouldn't be one unit. Should they come apart easily?

Posted on Aug 26, 2008

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Have you checked the the heat sink that is installed beteween the processor and the cooling assy if there is too little it will do that

Posted on Aug 26, 2008

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Posted on Jan 02, 2017

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Pin out for a dell PS-5201-8D2 power supply


Use caution, some older Dell machines used a non standard, proprietary pin-out on the 20 pin connector ALso the 6 pin is suspect. If you connect a regular ATX PSU, you will fry the MoBo. Look here
DELL ATX motherboard Power Supply pinout

Jan 23, 2013 | Dell (PS-5201-8D2) (PS52018D2) 200-Watt...

1 Answer

Burnt connector inside dell inspiron, first connector at motherboard (after power box) Can I fix it?? If so, can u help??


LOVE your user name!

I'll try to guide you the best that I can.
Sorry, first connector after Power Supply does me no good.

Let's look at a basic schematic of the motherboard for a Dell Inspiron 530s Desktop PC,

Dell Support > Inspiron 530s Desktop PC > Dell Inspiron 530s Series Owners Manual,

http://support.dell.com/support/edocs/systems/insp530s/en/OM/HTML/index.htm

I would like you to click on - Removing and Installing Parts
In the left column click on - System Board Components
{System Board = Motherboard }

This is a basic view of the motherboard with No hardware components installed.
It is also how the motherboard sits in your computer.

This is a pictorial view of the motherboard,

http://www.amazon.com/Dell-Motherboard-Inspiron-Systems-Compatible/dp/B003CO0WQS

Now, compare the Dell Support motherboard illustration, to the pictorial.
Looking to the far right in the illustration, the first connector is marked with the number 8.

On the pictorial it is the rectangular Black connector at the bottom/middle. (Next to the rectangular White connector)

This connector is for a Floppy Drive.
Is this the connector in question?

Is it the white rectangular connector next to it?
This connector is for the main power cable coming from the Power Supply.
In the illustration is is marked by the number 7.

This is a basic example, of the power cable coming from the Power Supply (power box), that connects to the white connector,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

{Note* Color of the main power cable's connector does not matter. It can be any color }

IF this connector on the motherboard is burnt, you may wish to stop.
Electricity has more than likely fried the entire motherboard. May also include the Processor, Ram Memory, Harddrive, and a graphics card, if installed.

I know. I'm a 'ray of sunshine'.

How could this connector be burnt?
Four ways I know of;

1) Lightning storm, or power outage. Also could have happened if the power utility company was doing some changes in the power lines, utility pole transformer, etc.
(No. The utility company cannot be held responsible. I don't agree with that)

2) Power cable was not plugged in tightly. Lock on side was not locked into place.
Air gap created in-between the connecting contacts in the power cable connector, and the motherboard connector, created resistance.

Resistance creates heat. Burnt connector/s will result, and perhaps worse.
{Could also create a small power surge }

3) At one time Dell was a Proprietary computer manufacturer.
This means Dell wanted THEIR replacement parts used on THEIR computers.

If an aftermarket computer component is installed, Dell cannot warranty their computer.
Using THEIR parts in THEIR computers, Dell could.
However Dell computer users did not wish to pay the price of the Dell replacement parts.
The aftermarket parts were cheaper, of good quality, and readily available.

If we use a Power Supply for an example;

Dell had the motherboard manufacturer switch the socket holes around, in the Motherboard connector, for the main power cable.

They also had the Power Supply manufacturer switch the pins around, in the 24-pin ATX main power cable's connector, to match.

The aftermarket power supply manufacturer built the power cables, and connectors, to follow industry standards. Dell did not.

This means if you plug an aftermarket power supply's main power cable, into a Dell motherboard that was built proprietary, the motherboard usually fried. The only sign may be a burnt connector on the motherboard.

Could also have fried the Processor, Ram Memory, Harddrive, optical drive/s, and a graphics card, IF installed.

[ Looking at the Playtool link again, look at the photo to the far right.
See the different colored wires?
The color coding indicates what the wire carries as far as Voltage, or if it is a Ground wire.

1) Orange insulated wires = 3.3 Volts
2) Red wires = 5 Volts
3) Yellow wires = 12 Volts
(All are DC. In comparison two D cell flashlight batteries produce 3 Volts DC)

4) The Black wires are Ground wires

(The Green wire is the Soft Power On wire. Abbreviated as PS_ON)

The Orange, Red, and Yellow wires are power wires.
The Black wires are Ground wires.
Guess what happens if a 12 Volt wire is connected to a Ground?
(Instead of going to a 12 Volt connection)

Things start frying.

{To state connections in the main power cable connector, and it's respective connector on the motherboard, correctly;

Looking at the middle photo you see the connection end of the main power cable.
Plastic connector with individual plastic rectangular shapes, that have metal 'tubes' inside each of them.

The motherboard connector has socket holes to match the individual plastic rectangular shapes.
Inside the socket holes are metal pins. Contact pins.
The contact pins go inside the metal 'tubes'.

The metal 'tube' is a Molex Socket Terminal,

http://www.mouser.com/ProductDetail/Molex/36664-0002/?qs=sGAEpiMZZMvz8LftK4jerhl0r50z%252bUNRzFCdHbJqUTU%3d


4) IF the Power Supply, ( looking at it from the Back of the computer), has a rocker switch, or slide switch, to set the incoming AC power to 110 Volts, or 220 Volts;
And the power supply switch was set to 110, and plugged into 220 Volts,
the motherboard connector would fry.

Plus the Power Supply. May also of course include Processor, Ram Memory, Motherboard, Harddrive, optical drive/s, and graphics card IF installed.


Replace the connector? No
Could be;
A) Replace the Power Supply. Still no?
B) Replace the Motherboard. Still no?
C) Replace the Ram Memory. Still no?
D) Replace the Processor. Computer operates but no graphics?
E) Graphics card installed? Replace graphics card

Unless you can test each individual component, and the cost is not much less, or equal to a new computer, the obvious choice would be to purchase a new, or good used computer.

Nov 01, 2011 | Dell Inspiron 530s Desktop Computer

2 Answers

Fried mobo with new psu?


Yes, it sounds like the motherboard from the Dell machine is now ready for the recycle yard. My son had an old Dell that the motherboard failed, and one by one, all add on cards, and eventually the RAM stopped working. Those old Dell systems can only keep going for so long, and besides, why hang on to it? Get a new PC, they are low priced now, and you get such a faster, smoother running PC.

Jul 26, 2009 | Dell Computers & Internet

2 Answers

Dell 5100 won't come up after memory swap


Did you make sure that the power supply was off and or discontected from power source before opening the case?

It is possible that you have fried something by having a static discharge either from you hands or the vacume cleaner hose. Have you checked the correct installation of the memory make sure you are putting the original memory in dimm1 and dimm2.

Also check that the power button is still connected to the mother board just follow the wire from the back of the button just to be sure. Also check that the power switch on th power supply is on.

Link is to manual
http://support.dell.com/support/edocs/systems/dim5100/en/om/T8144bk2.pdf

Jan 28, 2009 | Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

I have a flickering amber light on the power button; replaced power supply and motherboard with no luck


FIRST IF YOU REPLACED THE POWER SUPPLY OF YOUR DELL PC,
MAKE SURE IS A RECOMMEND POWER SUPPLY FOR DELL COMPUTERS ONLY
BECAUSE DELL USE A DIFFERENT (NONSTARD) PS

AN PLEASE DON'T TURN YOUR PC ON, TILE YOU ARE SURE I'TS A DELL COMPATIBLE POWER SUPPLY
YOU CAN FRY YOUR COMPUTER

ON THE MOTHERBOARD I'T MAY BE THE BIOS (BIOS STANDS FOR INPUT /OUTPUT SYSTEM) I'T A CHIP ON YOUR MOTHERBOARD THAT CONTROLS THE SYSTEM HARDWARE AND ACTS AS AN INTERFACE BETWEEN THE OPERATING SYSTEM AND THE HARDWARE
I'T MAY BE FLASH
IF IS FLASH ,
YOU PROBABLY NEED TO REPLACE THE MOTHERBOARD
OR CALL DELL TO SEE IF THEY CAN FIX IT


Aug 20, 2008 | Dell OptiPlex GX520 PC Desktop

1 Answer

Video output on dell diemnsion 2400


Please check all power cords and monitor connections first.Then make sure your video card is seated properly.If it is on-board video(connected straight to back of motherboard)and these solutions don't work,you may be looking at a fried motherboard.

Feb 19, 2008 | Dell Dimension 2400 PC Desktop

1 Answer

Power


check to see if something on the motherboard is fried, usually the capacitors are the first to go. look for swollen capacitors (the X on the top of the capacitor is not flat, usually leaking something or just swollen). If so, have the motherboard changed, if it's still under warranty, DELL replaces it for you.

Dec 10, 2007 | Dell OptiPlex GX520 PC Desktop

1 Answer

Motherboard keeps frying. Original and replacement have both gone bad. Any help appreciated.


Have you checked to make sure your power supply hasnt got a fault. In the event of a motherboard fry up, the power supply should be checked and if in doubt change.

Dec 02, 2007 | Gateway GT4010 (RBGT4010) PC Desktop

1 Answer

Compaq Presario 4400us


Either the new power supply you purchased is not functioning correctly. But, assuming it is now that you are getting some form of power to your PC, it is very likely the motherboard. Whatever fried your old power supply (or it could have just been the power supply itself) most likely fried your motherboard in the process. Probably not the CPU since the MB can't even post.

Jun 21, 2007 | Compaq (388746-001)...

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