Question about Shuttle AV40 Motherboard

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No Power. I have a Shuttle AV 40 MB. It will not POST. It seems like the MB is not getting power. I have the correct power supply. 3 connections to the MB. Any ideas as to what the problem may be. Its driving me nuts!! Thanks, Ron!

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  • crof4829 Aug 20, 2008

    It may be the power supply. I have rechecked my connections many times. Thanks for your help. 

    Ron!!

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Have u had the power supply tested and if it is ok make sure that all of the connections are correct and in tact if still nothing then double check the bios jumper settings on the board

Posted on Aug 20, 2008

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I have a an35n ultra v1.1 motherboard I power on my tower,it does power on but it wont post I dont see anything wrong with cap's cpu was tested and checks out Power supply is good Tryed a new video card...


Hello Phenom, Hi.... to properly run/test a motherboard, you need to make sure this parts are good with no doubt functioning. 1. the power supply, 2. Memory, 3. keyboard, 4. Processor with FAN 5. PC speaker(built on-board or the thumb speaker) and 6. monitor How to test. First remove all motherboard connections. Now reconnect the following. 1. make sure that the power supply 20/24 pin is connected properly to the motherboard (and please test this power supply before making connections. To test independently short green wire to ground and plug the unit. you should see the fan spin) 2. make sure that the 4 pin 12volt power connector is also plug in nice and tight. 3. clean the memory slot using a clean paint brush and the module (DDR/2) terminals (the contacts) using an eraser, 4. connect the keyboard, 5. make sure there is a PC speaker connected. 6. connect the power switch of the front panel, 7. Connect a monitor on the VGA port 8. Power on the PC. 8. Look at the keyboard lights 3 LED momentarily. num lock + caps lock + scroll lock and after several seconds 1 LED light, num lock only. If you reach this part you should also hear a beep. then the POST will appear. If you don't reach this part, start again from the top. do this several times. Still no response? you motherboard is bad.

Jan 07, 2011 | Shuttle AN35N Motherboard

1 Answer

Problem with the EliteGroup ECS A790GXM-AD3 AM3 AMD 790GX HDMI ATX AMD Motherboard Help please, no power What is the recommended Power Supply Wattage for this MB i am using a Diablotek 550 Watt. I checked...


Test your PSU or replace it if your power supply units fan is not working your PSU is faulty

One bad lead can cause a computer to continue on a cycle or to shutdown or fail to boot

Test all leads that attach to your hard drive including electrical extensions,IDE,SATA

the leads from your motherboard to your hard drive make sure they have a secure connection and are not faulty or just replace them there probably old and faulty

make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty or just replace them they are probably old and faulty ?

hope this helps

Dec 15, 2010 | EliteGroup ECS A790GXMAD3 AMD 790GX MB w...

1 Answer

The motherboard is an A785GM-AD3 Black. I just built this system and I can't get a display or post out of it. I noticed that a red standby light is solid the entire time power is to it. Please help me. I...


1. Check power cables (It goes standby mode when there is not enough power supply)
2. Check CPU seating and CPU Power socket
in some cases CPU socket(on the MB) may be damaged
3. check the RAM (if one of the RAM malfunctioning)
4. Clear the CMOS/BIOS battery (b4 disconnect main Power supply)
5. CPU Power FAN / Heatsink. If not proper, 4sec system go standby down.
6. Do u correctly connected 12vATX to CPU

I hope This will solve your problem. If not may be need to replace your board.

Sep 17, 2010 | EliteGroup ECS A785GMAD3(V10) Socket AM3...

1 Answer

I have an emachines t3958 w/ intel d845epi/d845gvsr, it will not turn on. i have replaced the power supply, and i believe everything is plugged in correctly. help!


Hi there,
Do any fans or lights come on?

Here's things I'd check:
-Replace Power supply (You already did this)
-Try a different AC outlet, remove any surge protector
-Remove the Power Button Cable from the MB and short those pins
with a screw driver just for a second.. (to eliminate a bad power button)
-Verify that the Power button is connected to the correct place.
-Verify the voltage selector on the Power supply is set to 115V (if that's what you have)
-Verify the Power supply's additional switch is set to on (if it has one on the back)
-Verify the CPU is seated correctly and securely.
-Verify there is no metal screws or anything like that sitting on the motherboard.
-Verify that the extra 4 Pin 12V connector is connected (if present on
this MB)
If none of this works, the motherboard might be dead.
Good luck!

Jan 10, 2010 | E-Machines Computers & Internet

2 Answers

Not powering on at all - I have been built a new computer from scratch with all brand new components. After hooking all of them up and plugging in the power source. Nothing is happening when the power...


1. Could be as simple as not having the Power Switch on the right jumper...double check.
2. The board will power up with nothing hooked to it... just power, CPU, MEM... disconect everything to just to get the board up to the bios.
3. Make sure PS is securly connected to the MB.
4. Check Jumper on the Board to make sure the Test Jumpers are not set
5. Memory is seated correctly... if you pull them out the board will start and beep...

Dec 31, 2009 | Gigabyte GA-G41M-ES2L Motherboard

2 Answers

MB starts up, CPU fan runs, after 5 seconds, one beep and MB off


It appears that the system is shutting down without you telling it to.
If it does this at a given time interval, the problem is most likely heat.
Can you boot the system with a start-up disk (a system disk) and have it keep running?
Your heat problem can be in the CPU or in the power supply. Have you checked the power supply fan to see if it's running?
Have you removed the heat sink and reapplied a good thermal grease?

Aug 10, 2009 | AOpen MX46-533V (91.89U10.061) Motherboard

1 Answer

Connecting my PSU to my Motherboard


The bare essentials to start a computer are PSU, Motherboard, CPU, RAM and Video.

Its possible the PSU arrived DOA. Though I've only had 2 DOA PSU's in the 15 years I've been building custom computers.

Hope this helps.
Mary

May 21, 2009 | ASUS P5QC Motherboard - Intel P45, Socket...

1 Answer

No power to motherboard Shuttle AN35n ultra


Hi there
Try One of the following steps:
  1. Flash Youre MB BIOS.
  2. make sure that CPU Fan is working OK.
  3. Is the CPU attached to the MB correctlly.
  4. Is the CPU Fan base and scrowse faremly scrowd and positioned on the MB.
  5. Chec MB in/pot power pins connections.
Hope That will Help.

May 16, 2009 | Shuttle AN35N Motherboard

1 Answer

Tyan S5396 and Thermaltake 1500W


tyan i5400xt.. to test for ground.. pull the board from the chassis and test with a different known good power supply

if the boot works... then you have a power supply issue...

does the board have a post code lighted signal ???

if so.. a bad power supply should goto FF error code

verify you have enough power on the cpu rail with your power supply specifications also

be sure you have all cables 4 pin 8 pin and 20/24 pin connections done correctly.. lastestly check if the board is touching the chassis edge anywhere... could cause a ground

also take and loosen all the MB screws from the chassis.. just let it hang there this will test the grounds needs the screw connections

mark@omces.com

tyan specialist

Oct 31, 2008 | Tyan S5396A2NRF Dual LGA771 XEON5000 5100...

2 Answers

MOTHERBOARD


Here a few things to try. Make sure that all connections are correct and snug. Especially the wires coming from the power button etc... Make sure that the memory is correct for that MB and jiggle the DIMMS in the sockets to be sure of positive connection seating. Check to make sure the plug is pluged in (50% of power problems are caused by this so don't laugh). the power supply is properly seated to the MB and the drives are seated solid. Make sure the CPU is correct and alive. The video card and keyboard must be seated and connected properly. Finally, jump out the CMOS and rdplace the battery. If all this fails, contact the MB supplier or the manufacturer itself, explain all the above was done and still no power, and they should replace the board.

Aug 10, 2008 | Biostar P4M890-M7 Motherboard

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