Question about Intel Motherboard

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Motherboard just spilt beer over it,stripped it down and dryed it out and know once the power supply is pluged in the light comes on flashes and the laptop will not switch on,not even a light.is there any way of checking whats nackered and whats not,i've herd about these fault cards but does there need to be power to the mobo.thanks for any help....

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I see many cases of spilt coffee/pop/beer/liquid of some sort spilt on laptops at work, and it is rare that good news accompanies it. It is rather impossible to clean out a laptop entirely. Your best bet is to get your data off the hard drive, buy a new laptop, and transfer it over. This may seem harsh, but it really is your best option if you do not wish to lose data.

Posted on Dec 25, 2007

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My emachine T3120 will not start up


To me from the indications given it looks like a Power Supply problem.
At first LED lights light, and fans spin.
Then you plug a PCI Express card in, and NO fans spin.

PCI Express graphics card took all the power there was available.

[ A PCI Express x16 slot can deliver Up To 75 Watts ]

1) If ALL of the LED lights were on at once, they would use less than 1 Watt of power.

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

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

You don't have enough power to turn the Processor on.
Fans were spinning, you plugged a graphics card in, fans do not spin now.

Power Supply has a weak voltage power rail.
(There are three; 3.3 Volt, 5 Volt, and 12 Volt)

HOWEVER, the method is to diagnose; not parts changing.
Do you have a multimeter to test the three voltage power rails?
I can guide you. An economical multimeter ranges about $5 to $12 around here.

No?
How about a KNOWN to be good, Compatible power supply; that you could borrow from a working computer, for a test unit?

How could a Power Supply go bad from just sitting?
There are Electrolytic Capacitors inside the Power Supply. These have a chemical paste inside. Electrolytic Paste. The paste breaks down over time. Especially if the Power Supply is not plugged into power.
(When an SMPS (Power Supply) is plugged into power, there is a constant 5 Volts present. (5 Volts DC) This is the 5 Volt Standby power )

[The Electrolytic Capacitors used are Radial Aluminum Electrolytic Capacitors ]

http://en.wikipedia.org/wiki/Electrolytic_capacitor

Click on the second photo down on the right. The Bottom example is a Radial design. The example is actually a Radial Aluminum Electrolytic Capacitor.


Just so I do not miss anything in the diagnoses, I would also like you to look CLOSE at the Electrolytic Capacitors on the motherboard, too,

http://capacitorlab.com/visible-failures/index.htm

Long 'story', I'll try to make it short;
General Electrolytic Capacitor construction,

1) Case: The outside case is an aluminum cylindrical shell.
Think of a 'Coca-Cola' can with the top and bottom open.

2) The top 'lid' is a thin aluminum flat disk.
It has either a lK or X shape cut into the flat disk, partway
It is sealed around it's outer edge to the Case.
This is the Vent Cover.

3) The bottom 'lid' is a synthetic rubber flat disk.
It is called the Bung.

4) Inside are three strips. (There are many layers of these strips in actuality)

A) One strip is metal, and is the Conducting Strip.
It has the Positive lead connected to it. (Lead; Think stiff wire)

B) One strip is also metal, but has a non-conducting medium applied to it. It is the Non-Conducting strip, and the Negative lead connects to it.

C) The last strip is paper-like, and soaked with Electrolytic Paste.
The Electrolytic Paste soaked strip is laid in-between the two metal strips, and all three are rolled up tightly.
The two leads (Positive and Negative) poke down through the Bung.

(Again, there are several layers of this construction, inside the capacitor's case)

When an Electrolytic capacitor goes bad, the Electrolytic paste inside chemically breaks down. It either dries up, or turns into a gas.
Hydrogen Gas.
The gas expands inside the Case, and pushes against the top seal, (Vent Cover), and bottom seal. (Bung)

The X or lK shape etched partway into the Vent Cover pops open, and/or one side of the synthetic rubber Bung pushes down.
The gas begins pushing Electrolytic paste out.

So much paste loss, and the capacitor can operate at a weakened state.
Too much paste loos, and the capacitor fails.
This is why it can work sometimes, then seem to fail all at once.

This applies to Electrolytic capacitors on the motherboard, and in the Power Supply.

[NOT an invite to open the Power Supply, and attempt a repair!
This = No.
Replace ]

The first thing to do when diagnosing a desktop computer problem, is make SURE it is receiving power, and the correct amount of voltage.

THEN the diagnosis can be continued on.
A Power Supply with a weak voltage power rail, cam emulate all sorts of seemingly software problems.

http://www.fic.com.tw/product/motherboard/AMD/K8MC51G.aspx

For additional questions please post in a Comment.
Regards,
joecoolvette

Nov 11, 2012 | eMachines T3120 Motherboard Replacement...

1 Answer

My dell inspiration 910 has just played up. it was working perfectly before and i was using dell speakers and my ipod, ipod was removed, and left it still pluged in and charging and noticed the orange...


This sound as though the power supply adapter needs replacement.
If you can find a compatible power supply adapter perhaps you can charge you laptop.
A company call Batteries Plus may be able to help or Ebay may have you adapter power supply if you do a search.
You may also contact Dell for support on this issue.
Some Dell power supply fail due to overheating.
you may also want to check the power supply connector.

Apr 24, 2011 | Dell Inspiron Mini 10 Notebook

1 Answer

Will no longer pair with bluetooth on computer, bluetooth light functions on keyboard and bluetooth on computer works with other items. Some beer was spilt on it 2 weeks prior but a quick drying and air...


Well the problem which you are facing is due to spill of beer on the keyboard. As the beer entered its circuit it might have damaged the bluetooth IC and disallowing it to work.While the light of the bluetooth is still on because current is flowing where as the IC is not functioning!

Jun 17, 2010 | Logitech diNovo Edge 9676850403 Keyboard

1 Answer

Ds lite wont power on the green light is on, any suggestions of a diy repair


The wireless board on the main motherboard must be checked to see if it has come loose. This presents as the charge orabge lamp works with the charger pluged in, On green light comes on when power switch pushed once and stays on without flashing. Pushing the power switch once more puts the green light out. Bruce

May 08, 2010 | Nintendo DS Lite Console

1 Answer

Acer Ferrari shuts down


This sounds like a shorted power supply or even worse the motherboard, or processor. There might be parts that are still damp let it dry out longer you could try a hair dryer on a low setting before taking it to a repair shop.

Aug 14, 2009 | Computers & Internet

2 Answers

Dead Packard Bell Easynote SJ51, won't power up


Try to reset CMOS sometimes BIOS saves incorrect parameter (especially when overclocking) It must have 3v clockstyle battery into motherboard. If you arent familiar to disassambling and then assambling laptops it will be better do this someone experienced. Take it off 10 minutes to reset CMOS and then return back. Take off ram clean its gilden pins vith dry clothes or naplin and put back.

Jul 29, 2009 | Computers & Internet

1 Answer

Blue light flash cartrige bangs one end to other then light flashes still, all clear have cheaked


Please follow the instructions given below:

1. Disconnect the USB cable and the printer power cable.
2. Please disconnect the power supply from the back of the printer.
3. Then remove the cartridges from the printer.
4. Please reconnect the power supply back and turn on the printer.
5. If lights are blinking then printer encoder strip is most likely the problem. Unplug the power from the printer. Open the front cover and move the cartridge carrier to the center. You should see a white ribbon cable, a thin plastic strip and a black belt with teeth.
6. The thin plastic strip is the encoder strip. It rides in a sensor on the back of the cartridge carrier that you will not be able to see. Reach in with the first finger of either hand and carefully strum the strip as if playing a guitar.
7. The strip will need to be lowered slightly and brought towards you slightly. Please be careful not to break the strip or your printer will not function. Once you believe the strip is set correctly, plug the power back and let us know if the lights are still blinking.
8. If you cannot repair the strip, please let us know so that we can assist you further.
Please Note: Fixing the encoder strip is a delicate procedure. During the troubleshooting, if the strip breaks, you will not be able to use the printer.
9. However, if lights are not blinking then try inserting one cartridge at a time and check if you can see any lights blinking. If light blinks with one cartridge then that cartridge is defective.

May 23, 2009 | Lexmark X2350 All-In-One InkJet Printer

13 Answers

4600C no power, flashing amber light


FLASHING AMBER LIGHT FIX. This maybe in fact a motherboard issue, but actually its a bit more. You can and should replace the power supply with a more powerfull one as it will help overall, but the issue is Really the front USB ports and 2 issues concerning them, 1 some devices pluged into them have boot sequences of their own, (remember your boot seq goesfrom,USB,CD,ARRAY)etc.
So if the device isnt design with its own OS, the mis-boot will get stuck Hence the Flashing light. and 2. the front USB ports dont supply alot of power upon bootup. and the devices pluged into them will again cause a mis-boot. Simply unplug everything from the FRONT usb ports. You may have to shut the computer off and unplug the machine for about *15* minutes.
Enough to get the motherboard to downpower completely.
with the front usb ports clear, and the power cord unpluged, hold down the power button and plug in the machine. should boot no problem. So to sum things up. The motherboard is fine, it just not happy with so many usb ports (power wise). A larger power supply is a good idea but wont entirly fix the issue, Unplug front usb devices as they may have some form of bootup.

Jan 19, 2008 | Dell Dimension 4600 PC Desktop

34 Answers

Power Green Light Flashing HP Desk Top PC m7250n


During a power outage their is a surge when power come back on the grid (surge can be caused by lighting strikes akso). This surge trips the internal procters inside the power supply to protect the Mother Board, hard drive, processor and fans and any device that pulls wattage from the power supply. Since all these power using devices are trying to pull power at the same time to boot the computer back up one ends up with a loop of surge thrugh the power supply with a protective trip, reset, surge again and trip again. This will continue in this loop as the computer is trying to boot all the devices at one time (Mobo, Hd, processor, cooling fans and other devices). Simoly, more power wattage is being demanded than the protectors will allow at one time causing a protective shutdown followed by a restart followe by a protective shutdown in a continious loop.
The normall sequence for a boot is to boot the board, processor and fans followed by a boot of the hard drive, and other boot devices once the board is energised, NOT all devices at the same time, as this results in an overload and trips the protectors. This protective loop is indicated by the blinking light as the power is turned on and then shut down for protection as the wattage pull is over the demand that the protectors will allow.
Blinking light indictes you are in the protective loop.
SOLUTION: 1. Disconnect the Mother Board connector, with the computer unplugged, this will allow the power supply to reset at maximum wattage upon reboot.
2. Disconnect the Hard Drive power connector and ay boot device power supply cables, this will allow the Mother Board, processors and fans to boot without an overload of the protector inside the power supply.
3. Plug in the computer and the indicator light will be solid green indicating that it is reset and out of the loop.
4. With the computer pluged in and the Power Supply fully energised, plug in the Mother Board. The computer will now boot, and the processor fan will come on and the cooling fans.
5. After computer has rebooted, shut the computer back down and connect the Hard Drive power cable and any other power cablis that were unplugged.
6. Reboot with all cables connected and you are up and running again.

POWER SUPPLIES HAVE AN INDICATOR LIGHT FOR A REASON.
REMBER - BLINKING LIGHT IS AN OVERLOAD OF THE PROTECTORS AND ELLIMINATING THE OVERLOAD SOLVES THE PROBLEM AND THAT THE POWER SUPPLY IS WORKING AND CONVERTING POWER.
NO LIGHT MEANS NO POWER OUTPUT AND THAT INDICATES THE POWER SUPPLY IS NOT FUNCTIONING AND NEEDS REPLACED.

Hope this helps everone with power outages and lightining strikes. It is a rather common problem and can also occure when building a computer and one missmatches the power supply with the board wattage needs. If the board wattage needs are greater than the power supply output you will get stuck in a potective loop eventually. WHEN BUILDING A COMPUTER ALWAYS MAKE SURE THE POWER SUPPLY CAN PRODUCE MORE WATTAGE THAN YOU CAN CONSUME AT THE MAXAMUM LOAD.
Have a great computing experiense.

Jan 13, 2008 | HP Media Center m7250n (ED842AA) PC...

1 Answer

Spilt Beer/Soft Drink on Camera


Screwed. you can try sending it into repairs but they were probably charge you more to fix the camera than what it's worth.

Dec 26, 2006 | Casio QV-R51 Digital Camera

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