Question about Gigabyte GA-890GPA-UD3H Socket AM3/ AMD 890GX/ SATA3&USB3.0/ A&V&GbE/ ATX Motherboard MB-890GPA3

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How to physically replace the power supply connector that is soldered to the motherboardon the right side of the memory modules

My old power Supply finally overheated and melted the 24 pin power connector on my Gigabyte motherboard (just melted the plastic surrounding the top 2 pins, all components on the motherboard still work). I really love this mobo and it works great with my Phenom II 1100T 6 core processor and 16 GB 1600 Mhz DDR3 RAM. I have already purchased a new Corsair 1100 watt power supply, but due to the damage, I can't attach it to the motherboard properly unless I can replace (or pay someone to replace) the 24 pin power connector. Is this possible, or do I need to buy a new motherboard as well.

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Itis possible but you need to solder it on again without making a conection with other component so rather take it to the pro

Posted on May 17, 2013

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SOURCE: Gigabyte Ga-78LMT-S2P Rev.5.0 will not boot

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System unit


Test your PSU power supply unit or replace it if your power supply units fan is not working your PSU is faulty
http://pcsupport.about.com/od/toolsofthetrade/f/powersupplytest.htm
Testing & replacing the PC's power supply
http://www.youtube.com/watch?v=hbNxhvm0czs
One bad lead can cause a computer to continue on a cycle of restarting or to shutdown or fail to detect/ boot up a computer hard drive
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules
Only work inside the computer case when the power has been switched off and disconnected. Never open the power source.
Some of the below steps recommend removing physical parts within the computer.
While in the computer it is highly recommend that you be aware of ESD and its potential hazards
Remove the memory modules from their slots.
Take the opportunity to clean the slots on the motherboards and the memory module connectors.
Use compressed air to blow dust away and clean contacts with a soft cloth.
Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components.


Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol (Methylated Spirits) on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs and r
Allow the pins to dry.
They will air dry in a matter of minutes.
If reseating the memory did not resolve the issue try swapping the location of the memory.
If you have only one stick of memory in the computer try moving it to another slot and then boot the computer.
Check the memory module and memory slot contacts.
They are either copper tin or gold.
The colour will tell you which they are.

Mixing tin and gold can result in corrosion that prevents proper contact.
Look for any sign of physical damage to the memory module, memory slots or the motherboard.
Reseat the memory modules.
You should hear an audible click when they are in place.
Do not use too much force to reseat the memory module in to the slot this can cause damage to the module, slot or motherboard.
The hardware that you are trying to access is damaged or failing.

The device drivers for the hardware are faulty or incompatible.
Could be a problem with the Hard Drive or the Hard drives PCB
http://www.onepcbsolution.com/

May 20, 2013 | Dell Computers & Internet

1 Answer

Boot loop at startup resulting from forced stop


Test your PSU power supply unit or replace it if your power supply units fan is not working your PSU is faulty
http://pcsupport.about.com/od/toolsofthetrade/f/powersupplytest.htm
Testing & replacing the PC's power supply
http://www.youtube.com/watch?v=hbNxhvm0czs
One bad lead can cause a computer to continue on a cycle of restarting or to shutdown or fail to detect/ boot up a computer hard drive.
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
Some of the below steps recommend removing physical parts within the computer.
While in the computer it is highly recommend that you be aware of ESD and its potential hazards
Remove the memory modules from their slots.
Take the opportunity to clean the slots on the motherboards and the memory module connectors.
Use compressed air to blow dust away and clean contacts with a soft cloth.
Do not use a metallic vacuum cleaner if it touches any component it may create a short and cause damage to the motherboard or other components.
Do not use solvent that may attract dust and never poke things like cotton buds in to slots. lightly rub an alcohol (Methylated Spirits) on a cloth not to hard let the alcohol do the work on the copper gold or silver tabs.
Allow the pins to dry.
They will air dry in a matter of minutes.
If reseating the memory did not resolve the issue try swapping the location of the memory.
If you have only one stick of memory in the computer try moving it to another slot and then boot the computer.
Check the memory module and memory slot contacts.
They are either copper tin or gold.
The colour will tell you which they are.
Mixing tin and gold can result in corrosion that prevents proper contact.
Look for any sign of physical damage to the memory module, memory slots or the motherboard.
Reseat the memory modules.
You should hear an audible click when they are in place.
Might be getting hot
Check you CPU make sure its securely seated and has thermal grease
http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490
CAPACATORS
Identifying bad capacitors
http://www.youtube.com/watch?v=ngA4k32jLGc
Capacitor replacement
http://www.youtube.com/watch?v=s0Pn2tEjY04
How to check a capacitor
http://www.youtube.com/watch?v=U4tnHA0phcc



May 10, 2013 | Computers & Internet

1 Answer

Replacing a hard drive on Sony PCV-W501B with a


The Sony VAIO PCV-series is Sony's line of desktop computers. While they are not terribly difficult computers to disassemble, the parts can still be easily damaged in the process. Replacing hardware in a PCV typically means dismantling the computer.

Shut down the computer and disconnect all cables and devices. Position the computer with its back panel facing you. WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Only work inside the computer case when the power has been switched off and disconnected. Never open the power source. Some of the below steps recommend removing physical parts within the computer. While in the computer it is highly recommend that you be aware of ESD and its potential hazards Attach an electrostatic discharge (ESD) strap to your wrist. Connect its wire clip to your computer's outer casing. Locate the metal tab in the upper right corner of the back panel, securing the right access panel in place. Pull on the tab with one hand, and with your free hand grasp the side panel and pull it away from the computer until the inside of the computer is accessible. Place the computer tower horizontally on its left side. Locate the power supply attached to the back panel inside the computer. Disconnect the power supply cable from its connector on the motherboard. Locate the pull-tab on the right side of the power supply assembly. Lift up on the pull-tab, and then remove the power supply assembly from the computer. Locate the RAM modules near the center of the motherboard. The motherboard is where all the hardware connects with your computer. Spread the white, retaining latches on each side of either RAM module. Grasp each module and lift them out of their respective memory slots. Store the modules in a static-free plastic bag, if possible. Locate the hard drive attached to the drive cage on the computer's front panel. The drive cage holds the CD/DVD, floppy and hard drives. The hard drive is usually located beneath the CD/DVD drive inside the drive cage. Disconnect the two power and data cables from the back of the drive. Pull on the locking tab that holds the drive in place.

Grasp the drive and pull it out of the drive cage. Hope this helps.

Dec 22, 2012 | Computers & Internet

2 Answers

531s power button won't turn on


Let's see if the Power On switch is the problem, or the Power Supply.

(Power On switch is located inside the plastic assembly, of the Power On Button)

The test is to bypass the Power On switch, using a jumper wire on the 24-pin ATX main power cable's, connector.

http://www.ebay.com/itm/DELL-Inspiron-531-531s-M2N61-AX-MotherBoard-0RY206-/271109542659?pt=Motherboards&hash=item3f1f635303

(Not advertising, using for reference)

See the white connector on the bottom/middle edge, of the motherboard? Has two rows of 12 socket holes.

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),

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

The power cable is left connected to the motherboard, as shown in the photo to the far right.
The BACK of the connector is where the wires go in.
The BACK of the connector is where the jumper wire is used.

The Green wire is the Soft Power On wire. Abbreviated as PS_ON.
The Green wire is BRIEFLY jumped to ANY Black wire.
ALL Black wires are Ground wires.

The preferred jumper wire is a straightened out paperclip, bent into a U-shape.
The top of the U is wrapped a few times with black plastic electrical tape, for your fingers, and thumb to hold onto.
(Did you know that 1 wrap of black plastic electrical tape, is good for 600 Volts DC?)

Turn the U shape upside down, and it is the 'legs' that you are going to use.
One leg goes down into the Back of the power cable's connector, in the Green wire socket hole; and RIGHT NEXT to the insulation of the wire.
Then slides down in far enough, to touch a female metal terminal,

http://www.molex.com/molex/products/datasheet.jsp?part=active/0002081202_CRIMP_TERMINALS.xml&channel=Products&Lang=en-US

The leg of the U-shaped jumper wire, MUST touch that metal terminal.

The other leg of the U-shaped jumper wire, goes down into a socket hole, with ANY Black wire in it.
ALL Black wires are Ground wires.

The contact period is no more than 2 seconds. The Power On switch is a Momentary Contact Switch.

IF, the Power Supply comes on you have a bad Power On switch.
IF, the Power Supply does NOT come on you have a bad Power Supply.

http://support.dell.com/support/edocs/systems/insp531s/en/OM/html/index.htm

http://support.dell.com/support/edocs/systems/insp531s/en/OM/html/parts.htm#wp1659086

http://support.dell.com/support/edocs/systems/insp531s/en/OM/html/parts.htm#wp1508953

FOLLOW Anti-Static Precautions

Anti-Static Precautions:

Your body carries Static electricity. Static WILL fry out (Short Circuit), the delicate hardware components inside a computer.
Relieve your body of Static BEFORE reaching inside your computer.

Computer ON a table, computer unplugged from power, computer case open;
TOUCH an unpainted surface, of the metal frame of the open computer case.
This action will relieve your body of Static.

IF you leave your computer in the middle of working on it, be SURE to Touch the metal frame again upon your return.

I disconnect all cables, lay a soft static free cloth on the table; and lay the computer on it's side; opening UP; to work on it.
SO much easier.

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

Dec 21, 2012 | Dell Inspiron 531s Desktop Computer

1 Answer

I have a LaCie d2 Quadra 500 gb. external hard drive. It is just over three years old. Recently, it suddenly stopped working. No light or fan when powered up, and the hard drive does not spin. No longer...


Hello,
this drive rarely has a power switch issue beside the fact that sometimes it gets misaligned and cannot be properly put in the ON position because of the aluminum casing. If you tried powering on while the backplate is removed and still nothing, look at the soldering of the power switch. If the switch connectors are still all in place, the problem lies more with the power module.
A total lack of power would usually result from the power module being "cooked", so look at traces of burned and cracked chips near the power supply connector on the interface board. If all seems good, make sure the power connector is also correctly soldered.
If the power module is burned, you can replace the interface by buying a used one, but in most cases it is easier and cheaper to buy another enclosure like you did.
Regards,

Jan 12, 2011 | Computers & Internet

2 Answers

When I turn the computer on I get a buzzing noise and it won't boot. I press the power button and lights 3 and 4 are illuminated on the front. Fan is active, screen power light goes orange. When I press...


The LED lights on the Front Panel are Diagnostic Lights.

LED's 3, and 4 being illuminated, indicate a problem with the ram memory modules (Sticks), according to Dell.

This is Dell Support, and the Service Manual main menu, for the Dimension E520,

http://support.dell.com/support/edocs/systems/dime520/en/SM_EN/index.htm

On this main menu page left-click on - Advanced Troubleshooting.
Now click on - Diagnostic Lights
Look at the chart.

My diagnoses is different. I think it is a Power Supply issue.

Do you have more than one ram memory module ('Stick') installed in your computer?

[NOTE*
Basic procedure, implementing safety guidelines both for you, and your computer.

Computer off, And unplugged from power.
Open the computer case, and touch the metal frame.

Your body carries Static electricity. Touching the metal frame of the open computer case, will relieve your body of Static. (Computer unplugged from power first)

Static electricity will fry out, (Short Circuit), the hardware components inside a computer ]

In the main menu you can click on - Removing and Installing Parts, for guidance in opening your computer case, and removing/installing ram memory modules.

(Removing the Computer Cover, and Memory, respectively)

If you have one memory module, remove it, and clean the gold plated contact pins on the bottom, with a pencil eraser.
Use care, and refrain from touching the contact pins with your fingers.

You can hold the ram module anywhere on the body of it, as the body is coated with a see-through plastic.

Apply the pencil eraser to the top of each contact pin, and stroke down with the eraser.
A side to side motion is not a good idea, as well as starting from the bottom of the contact pin, and going up.

[This is DDR Sdram, and not DDR2 Sdram that is used in your computer.
I linked it to show you a close up view of the gold plated contact pins, and the Black DRAM chips on the side of the ram module,

http://en.wikipedia.org/wiki/File:Generic_DDR_Memory_%28Xytram%29.jpg

The top of the contact pin is is close to the DRAM chips.
{DDR Sdram has 184 contact pins. 92 on each side.
DDR2 Sdram has 240 contact pins. 120 on each side]

After you clean the contact pins with the pencil eraser, use air from you, or a can of compressed air for computers, to remove the eraser 'dust'.

If you have more than one ram memory module, do the above procedure for all of them.

With having just one ram memory module, reinstall it back into ram memory Slot 1.

(DIMM 1 may be stamped on the motherboard next to ram Slot 1.
Slot 1 is the ram slot that is closest to the Processor, that is sitting at an angle on your motherboard)

If you just have one ram memory module, place it in Slot 1.
If you have more than one ram memory module, pick one, and install it in ram Slot 1.

Do not close the computer case at this time. Plug the computer back into power. WAIT 1 minute, turn the computer on.

Still No?

If you have more than one ram memory module, use it in Slot 1. Test again.

If the second ram module you try works, then the first ram module is bad.

If you have just one ram memory module, and this test resulted in the computer not working, the diagnoses is that you have a bad ram memory module.

Same thing if both ram modules do not work, if you have more than one ram memory module.

I think it is the Power Supply is bad, due to the fact that the computer, 'Fell to it's knees', when you tried to turn it on the second time.

Bad voltage power rail. Not enough power from the power supply to turn the Processor on, and keep it running.

Computer power supply's power is rated in Watts. (Wattage)
Voltage times Amp's = Watts

1) ALL the lights use less than 1 Watt of power.
2) EACH fan uses 2 to 3 Watts of power.
3) A typical Processor uses 55 to 125 Watts of power.

When you press the Power On button, 5 Volts of standby power is redirected to the Power Supply.

This turns the Power Supply on.
The first chip to receive power is the BIOS chip.

The BIOS program burned into that chip, looks to see what devices are connected, does a Ram Memory count, turns the Processor on, and hands the computer over to the Operating System.

(Windows XP is an example of an O/S)

I believe you do not have enough power to turn the Processor on.

There is a way to test the power supply with a power supply tester, (About $15)
Or a known, good, and compatible power supply, can be used for a test.

(One more thing to Note*

For a time period Dell built their computers as a Proprietary computer design.
This means they wanted THEIR computer parts, installed in THEIR computers.

The main proprietary item at that time was the Power Supply.

This is in reference to the 24-pin ATX main power cable connector, and the wire placement in that connector.

Close up examples of a 24-pin main power cable connector, (In your Dell computer this connector has P1 stamped on the side),

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

Look, at your 24-pin ATX main power cable connector on your Dell power supply, and observe the color code of the wires.

Use the lock tab on the side of the connector, to orient where the wires are placed.

Now look at the 24-pin ATX main power cable connector for the power supply you are wishing to use.

The color code of the wires MUST be in the same.

Feb 16, 2010 | Dell DimensionTM E520 PC Desktop

1 Answer

Does anyone know which connector to plug into on power supply


Double check all the connections from the AC line and from the power supply to the other circuit boards. The connectors you are mentioning are identical as per the picture below.
If you need a new power supply, you can find one from this link.


be4d37f.jpg

Dec 04, 2009 | Protron PLTV3250 32 in. LCD Television

1 Answer

Hardwire the power supply for my Behringer UB802 mixer


The hardest part will be disassembling the mixer. You must remove the side panels and the bottom (four screws each), all the knobs (50 of them), undo the nuts on the various 1/4" jacks (14), then finally remove the screws mounting the single circuit board (13). The power jack can be unsoldered and the leads from the power module can be solder to the same pads.
The power module is simply a center tapped transformer. There will be three wires corresponding to the three pins on the connector. The center tap has to be correct, but the other two are interchangeable.
Just remember to thread the cord through the hole in the chassis BEFORE you solder the wires down. And provide some form of strain relief so that pulling on the cord doesn't stress the circuit board.

Nov 25, 2009 | Behringer F-CONTROL AUDIO FCA202 External...

4 Answers

Computer does not turn on but make a long beep then pauses and makes the long beep again. what is causing this issue? I had to replace the power supply since the old one burned out. I tried changing out...


It's called a beep error code or bios beep code.
See here.
Sounds like it could be a memory issue though without knowing your bios I couldn't say...Are you sure you didn't disconnect something when you replaced the power supply?
If you have more than one stick of memory, try one at a time, or run memtest from a boot disk. (see here)

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Jul 30, 2009 | Computers & Internet

1 Answer

Sent a message earlier, but do not know if the model no. was correct for the message. Olievia Model no. 237-S11 will not power up. Is this hard to fix, where can I buy a power source module at a reasonable...


After taking the screws out and removing the back, you will see a power supply(where master switch and cord connector are). Remove the 4 screws on the aluminum cover plate to gain access to the fuse. Using a voltmeter, with the power on and switch on, measure the voltage on each side of the round fuse located just behind the cord connector. If voltage is 0, fuse is good. If voltage between 115 and 125 V, replace fuse or have fuse replaced. I think it is a 6.3Ah 250V class fuse that is soldered into the board. IF YOU ARE NOT FAMILIAR WITH SOLDERING TECHNIQUES AND PRECAUTIONS, DO NOT ATTEMPT TO DO THIS. IF YOU ARE NOT FULLY AWARE OF ALL SAFETY PRECAUTIONS NECESSARY TO MAKE THIS REPAIR HAVE A QUALIFIED TECHNICIAN DO IT FOR YOU!!!!!!

If a new power supply is needed, contact these people for repair with 1 year warranty.
http://www.power-supply-repair.com/

Apr 04, 2009 | Olevia 237T 37 in. LCD TV

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