Question about Mercury P4VM800M7 Motherboard

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No live video and bios screen

Motherboard not working correctly,it doe not start,i checked atx power supply,power to board is correct on all pins,no prob to atx,then removed all hdd and cd drive and fdd drive,cleared cmos jumper and shorted no change,

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  • Depak Feb 27, 2008

    I am having Intel D102GGC2 mother board with 1 GB DDR2 RAM and nvidia VGA PCI card connected. It was working fine for 1 year. The bios is configured to boot video from VGA card. Now the system shut down suddenly and does not have dispaly but the CPU fan and the hard disk are running. I am trying to reset the bios with jumper but it looks like it is not resetting. Please let me know the procedure to reset the bios to factory defaults.

  • phillatwork Oct 04, 2008

    I have just installed a G31 T-M and on boot up there is no video. I check all the usuals PS, removed all components and RAM, NO-GO though.

  • felkhider Dec 06, 2008

    I have Asrock p4i6gv mobo. It beeps when I disconnect RAM. But when I connect RAM it goes silent when I power it up. CPU fan works and there is not video output. HDD works when I connect it. Tried to remove battery and reset CMOS, no change.
    Any idea??


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  • 119 Answers

Ok.so far so good..but have you checked the ramm dimms and most of all the video card?look carefully to see the integrity of the moather board like condensors and other faulty signs.
by the way?what tipe of mother board do you speak about?
after checking these and still not working you should reduce the fault to 3:
1 motherboard itself
2ramms
3 video
tell me the result please..we may find the problem after all..
bye

Posted on Feb 09, 2008

  • andi n.
    andi n. Mar 26, 2008

    next time you rat einapropriate think about how innapropiat e are you..you came here to ask not to comment...

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Dell xps 710 motherboard replaced with 700 motherboard but it does not boot


This could be any number of problems. First start with hardware. Is everything seated and connected correctly? Are the hard drives installed correctly. Are the power on pins on the board set correctly or pinned at all? Is the ram the correct ram?

Check the hard drives, are they functional, do they boot with other computers?

Use a volt meter and check that the power supply is producing the correct voltages on all the connectors and rails.

If that all checks out, it might be a bios error. Check your boot load order and if the motherboard is detecting the hard drives, check that the correct bios settings for OS management are in place as this is a server. Is the RAM power settings (voltage) and speed correctly selected? Will the computer boot from optical drive using a live CD? Will it boot from a USB live OS (like Ubuntu)?

Since it's not booting, you may not have compatible hardware or damaged hardware. The OS that's installed on the hard drives may not be able to load on the new (older model) motherboard due to driver incompatibility.

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I have tried running 2 different M4A79 deluxe motherboards with a corsair 650W power supply, phenom I X4 processor, and an nVidia 9800GT video card but neither of them will so much as turn on with...


It sounds like the ATX power supply is not getting turned on by the motherboard.
In order for this to happen, pin 14 (PS_ON*) of the 20-pin ATX power plug from the power supply must be pulled to ground. You can test this by plugging the power supply in to AC power without it plugged in to the motherboard.

Using a paper clip, short pin 14 (PS_ON*) to pin 15 (ground) and the power supply should turn ON.

Looking at the front of the 20-pin plug, with the latch on the top, pin 14 is the 4th from the left
__
_________________' '________________
' 11 ' 12 ' 13 ' 14 ' 15 ' 16 ' 17 ' 18 ' 19 ' 20 '
'--------------------------------------------------------------'
' 1 ' 2 ' 3 ' 4 ' 5 ' 6 ' 7 ' 8 ' 9 ' 10 '
---------------------------------------------------------------
Front of 20-pin ATX Power Connector

If you can turn on the power supply by shorting pin 14 to ground, but it doesn't happen when plugged into the motherboard, there is most likely a jumper setting on the motherboard which has not been configured correctly.

I hope this helps!

Mar 13, 2011 | ASUS M4A79 Deluxe Motherboard

2 Answers

No activity on startup. Only fans spin up.. No video signal.


You may clean the memory board and video card connector with pencil easier and with alcohol the connectors and reinstall it. this will work. or you need to replace the power supply the orange wire 3.3v might be missing or red+5v, white-5v or the purple wire +5v

Jun 11, 2009 | EliteGroup P4M800PRO-M Motherboard

1 Answer

Booting Problem


It cannot find your hard disk to boot from
Check the 4 pin power cable is correct and that the ribbon cable is fitted correctly. with the stripe side nearest the power cable and next to the No.1 pin on M/board

Oct 31, 2008 | EliteGroup Via P4M266A (P4VMM2 V7.3)...

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Desktop won't start.


Try to replace the power supply with another known working power supply from another P4 desktop and then reconnect your wires from the front panel led lights, changing them around until they are in the correct position. I had an almost similar problem and I did the above, it is working now. All the best ! sirjohn

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1 Answer

Replacing a power supply.


Hi,

You need to connect both 20-pin and 4-pin connector to *********** board. Your 4-pin connector is located between your CPU and a I/O connectors.

If you did it right first time, check if you have anything shorted on your board because your old P/S could go bad for reason.

Good luck!!!

Jun 20, 2008 | EliteGroup K8M800-M2 Motherboard

1 Answer

I can't get this thing to POST


Hi just to double check are you using the correct processor and ram supported by your mobo . These mobos are designed to support only a few types of memory . Since you do not hear any audible beeps of POST progress check the processor and also have you plugged all the power connectors properly to the mobo from the PS.

May 25, 2008 | Intel DG31PR Motherboard

1 Answer

Display


Hi quezalte, there are three versions of this board. Please provide which version you have. This can be found on the box or on the board. (v1.1, v2.1 & v3.0)
Did you add thermal grease in-between the CPU heat-sink & fan assembly? Did you clear the cmos/bios page 9, in you're manual. (Do not forget to place the jumper back to Normal as shown in the manual). You're board must have sufficient power to operate. Suggest you're current power supply uses a 24-pin ATA _12v main connector at ATX1 page 10.
(Though the mother board mentions you can use a 20-pin ATX power connector).
(Not suggested).
You also must connect the auxiliary case power supply connector, 4-pin molex to ATX12V page 10 in you're manual.
Lastly, remove & reseat you're video card. Make sure the video cards copper connector's are evenly & completely inserted into the PCIE orange slot. You will not see video display if it is not seated correctly. Some PCIE video cards may also need power. Some may have a connector on them. (If you would have posted the name & model of you're PCIE card I could have advised whether is needs extra power). Lastly, you're power supply should be no less than 450watt. If you add hard drives to all the SATA slots available to you're board. I suggest you use a 550w power supply. If after checking & adjusting all of the above & you still have some problems. Re-post you're problems here.
I will address any & all for you.

Good Luck!
Suggestions & comments welcomed.
Mike

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2 Answers

Abit IP95 Mobo fails to power up.


Ok, try connecting just one thing at a time - start of with just your board and the power supply... still smell burning? There's probably an issue with the power supply - no fans & leds would indicate this too (can you hear anything when you power up?)

What cooling have you been using - weird quetion, but is there any chance there could be moisture on the board? (either from water cooling or from condensation in the room)

Feb 09, 2008 | Ziotek ATX Motherboard Standoff, 12 Pk...

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