Question about Gigabyte GA-8SG800 Motherboard

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Actually my system is having the problem like motherboard led is glowing powersupply fan processor fan spinning but when we remove memory there is no beeps from the board so what can be the problem please help me with this issue i am not able to use from 3 months.

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Check with smps and change *********** board

Posted on Apr 18, 2009

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I have the same problem with 3 motherboards ML350 G4: I connect de powersupply to the backplane, all the fans starts, the row of leds on the mobo begins the check secuence with green status but ends with...


Have you already connected both power jacks to your board? It's motherboard needs two supply of power. One is near the cpu fan and the other is at the right side end. Check also if the power supply has the same value as your power outlet. Low voltage can still cause this king of problem. 220 Volts - 220 Volts, 110 Volts - 110 Volts. Hope this could help a little friend. Have a nice day.

Aug 20, 2011 | Compaq 365062-001 - System Board ML350 G4...

1 Answer

Red light on and nothing works


first switch of the computer remove the side covers then switch on the computer and see whether the computer fan is spinning if spinning then remove the memory card from the memory slot clean it with a cloth insert them to the slot and switch on the computer if still not working remove the processor fan and clan the processor fan and the processor with a clean cloth and paste a thin layer of heat sink solvent on the processor and place the fan tightly on the processor if still not working change the processor which is suitable for the socket and see whether its working

Feb 17, 2011 | Computers & Internet

1 Answer

RE ASUS P5S800-VM Motherboard.. system will not power up.. processor heatsink fan does not power up ... but ... removing processor and pressing power switch fan does work.. what is the problem??


Bad Power Supply. Weak voltage power rail.

[There are three main power rails in the SMPS for your desktop computer.
A) The 3.3 Volt power rail
B) The 5 Volt power rail
C) The 12 Volt power rail ]

1) ALL of the LED lights on at once 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.

Remove the Processor, and you will have power to light LED lights, and spin fans.
Of course without a Processor operating, you have No computer.

Replace the Power Supply.

Do you have a KNOWN to be good, Compatible power supply available to use for a test unit?

Need guidance in replacing, or suggestions for Power Supply's to choose from, post In a Comment.

Regards,
joecoolvette

Dec 02, 2010 | ASUS P5S800-VM Motherboard

1 Answer

No boot.no singal.no window.but powersupply run.


07myonyunt, I've looked at all three problems you've posted.

Here's a list of what I would like you to check, and post your diagnosis back to me in a Comment.

1) As mentioned in a previous solution, check the cables inside your computer to make sure they are connected well, you have all the necessary cables hooked up, and to include the power cables coming from the Power Supply.

The Asus PK5PL-AM SE, and the PK5PL-AM/PS, use an LGA 775 processor socket for an Intel processor. They also have to have a 4-pin ATX +12 Volt power cable connected to the motherboard.

Example of a 4-pin ATX +12 Volt power cable.
http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

It's power for the Processor.

PK5PL-AM/PL motherboard. Click on the Specifications tab.

http://www.asus.com/product.aspx?P_ID=y014Wy067iZxxPeP&templete=2

PK5PL-AM SE motherboard. Top View - 4-pin ATX Power Connector,

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=4496442&CatId=3461

Hooked up, and attached tightly?
1A) How about the 24-pin ATX main power cable?
1B) 15-pin Sata power cable attached to the Harddrive, as well as the 7-pin Data cable?

2) Are the Ram Memory modules seated tightly?
If you are using just one Ram Memory module ('Stick') it has to be in Slot 1.
The Ram Memory slot that is closest to the Processor.
(DDR2 Sdram at either 667MHz, or 800MHz. PC2-5300 and PC2-6400 respectively)

If this was a running computer, and has some age on it, you might want to remove the Ram Memory module/s, and clean the gold plated contact pins on the bottom. Corrosion can develop on the contact pins. Doesn't take very much to make a bad contact. (It won't be discernible with the human eye)

Follow Anti-Static Precautions after you have unplugged the computer from power, and use a pencil eraser to clean the contacts of the Ram Memory module/s. Use air to clean off the eraser dust before reinstalling.
(If you have a can of compressed air for computers available, use it. If not air pressure from your mouth will be sufficient)

If this is a computer build, did you follow Anti-Static Precautions when building it, or while working on it?
Before you took the parts out of their anti-static bags/boxes, and during building?

3) If everything denotes a Yes, then I suggest you have a bad Power Supply.
Weak voltage power rail.

A) ALL of the LED lights in use at one time use less than 1 Watt of power.
B) EACH fan uses 2 to 3 Watts of power.
C) A typical Processor can use 51 to 125 Watts. Depends on what Processor it is.

Enough power to light LED lights, maybe spin fans, (Or spin a few times then stop), spin the Power Supply fan, but Not enough power to turn the Processor on.

No Processor operating, no finding the Boot record on the Harddrive. Essentially a non-working computer.
(No computer operating No Video Signal is produced to the monitor. No Signal)

Do you have a KNOWN to be good, Compatible power supply for a test unit?
Perhaps in an unused computer.
Perhaps someone has upgraded computers, and has an unused computer with the Power Supply you need for a test.

Oct 23, 2010 | Computers & Internet

1 Answer

Actually my system is having the problem like motherboard LED is not glowing, powersupply fan processor fan not spinning sometimes it works properly by putting supply ON. All power supplies are normal from...


I would still say it is power supply! Check with power supply from another computer.

You have intermittent power supply to the fan, you have no power supply to the motherboard, processor fan is not spinning , not is indicator diod on the board, first instance and easiest to check is always power supply.

If power supply is not a reason, check on motherboard high volume capacitors, especially around processor, capacitors should have flat tops, if tops are buckled, that meant capacitor/s is/are gone and motherboard can be used as a decoration, if you do not have special soldering iron to replace surface mount circuitry, do not bother even to think to replace them.

Aug 15, 2010 | Gigabyte GA-8I845GVM-RZ Motherboard

2 Answers

Actually my system is having the problem like motherboard led is glowing powersupply fan processor fan spinning but when we remove memory there is no beeps from the board so what can be the problem please...


The motherboard LED is supposed to glow, indicating that the board is residually powered, after disconnection
of external power and as a warning of this condition so that you will not further disconnect or connect any
peripherals until the charge on the power retention capacitor is properly dissipated.

The Power Supply and Processor Fans should only run while power is applied, and if the Processor fan is always running at a high, possibly noisy, velocity, additional Processor Cooling may be necessary by means of a higher efficiency heat dissipation system.

If you remove memory from the board, the system should not initiate, as memory has little or nothing to do with
the problems you cite, but everything to do with the proper initiation of your system.

Buy a larger Processor Fan Assembly and those symptoms you cite which actually are problems should cure
themselves, while those symptoms you cite which are not problems will still not be problems.





Apr 18, 2009 | Gigabyte GA-8I845GVM-RZ Motherboard

2 Answers

Dell 8400 steady amber light, no diagnostic LEDs, high turbo fan


you will need to change your processor is like it is bad.

Apr 04, 2009 | Dell Dimension 8400 PC Desktop

1 Answer

Motherboard change


jethro..
http://support.dell.com/support/edocs/systems/dimC521/en/SM_EN/tshoot.htm#wp1064555
check on system lights... what are the diagnostic lights telling you??
if the 4 lights are off you may have a problem with the led itself or the powersupply is just messing with your head.

Dec 02, 2008 | Dell Dimension C521 PC Desktop

2 Answers

Mpga478b


have u check ur memory?... ur videocard and powersupply...thats the main problem of pc if it has no display....just try it one by one...hope it can help u

Sep 10, 2008 | Foxconn (755A01-6ELRS) (K8S755A6ELRS)...

1 Answer

Toshiba satellite A60 no boot


We can only assume that because the cd drive operates then the motherboard is operating in part, although, the southbridge chip may be damaged, as the northbridge works memory etc. Maybe it is that the processor is fried as there is no fan and the system then shuts down. Toshiba are probably half way there with the answer, unless; they investigated further and decided it was not the processor but the motherboard.

Jan 02, 2007 | Toshiba Satellite A60 Notebook

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