Question about ASUS VIA Apollo Pro133A Chipset CUV4X-C Motherboard

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Motherboard wahla when the motherboard is powered the onboard green light comes on but no beep is heard or any display on the monitoring screen is seen. what do i do?

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  • axle_584 Jul 28, 2008

    when the motherboard is powered the onboard green light comes on but no beep is heard or any display on the monitoring screen is seen. what do i do?

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Resit the ram,try with another power supply,if problem is not solved then your display adapter is bad, send the board for repair

Posted on May 17, 2008

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Trying to fix an older computer with a Asrock 775VM800 Motherboard that all of a sudden decided not to boot up. Here's the deal: I turn it on, the power-on LED lights up, fans power-up, but that's...


What exactly is the beep sequence you hear? Please refer to this THREAD for details about Asrock Motherboard Bios Beep Codes. You can also refer to this FAQ for better understanding (3rd question). The beeps you heard should be with one of the mentioned sequence. You should troubleshoot the problem depending on the beep codes.
Let me know with more details if you need further help.
Good Luck.
Thanks for using FixYa.

Sep 13, 2011 | Asrock 775VM800 Motherboard

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A computer with a D101GGC motherboard does not start. There is no beep or monitor singal. The fan is okay. As soon as the power is connected to the computer, the red drive access light comes on, but not...


its a common problem with intel D101GGC motherboard, just open the case and unplug the dvd power cable and data cable, then turn on the PC it will work fine.

Jan 09, 2011 | Intel D101GGC Motherboard

2 Answers

No signal to monitor.all connections and videocard seems ok fans work , What can be the problem? send a Trouble Shooting chart please


Okay here are the steps.
1. Turn off computer and restart it with tapping F2, the BIOS screen should come up. 2. If that does not then your computer is not clearing the POST or Video part that comes right after post. 3. Take the video card out and connect the monitor to the On-Board card on your motherboard. 4. If that works then there might be a problem with your video card. 5. If that does not then there is some more troubleshooting to do, try take the memory cards out and see if the motherboard beeps. This is to ensure that it is working fine or not. Put them back in and then try to turn on the computer.
Reply if need more help.
Thanks. If this was helpful, then kindly rate me.

Nov 01, 2010 | EliteGroup NFORCE4-A939 (NFORCE4A93910)...

2 Answers

In intel p4 motherboard ,no display view.


I can only cover generic test procedures since I do not have the specifications of your motherboard.
You will need a large antistatic bag or antistatic mat plus a ground strap and a power supply checker.
Check the power supply using a power supply checker. Disconnect the power supply unplug the power connector on the mother board and plug the connector into the power supply tester. If you do not have a power supply tester let me know how many pins are on the connector and I will tell you how to test it with a meter. If you have any voltage not present replace the power supply. If you do not have -5 volts it was used for ISA slots and was completely removed from the ATX standard in 2004.
Do you have an onboard video card? If you do is that the video output you intend to use or a external video card? If you have onboard video connect the monitor to the onboard video output. Disconnect the power supply cord from the computer and attach a ground strap from your wrist to the bare metal of the power supply. The down side of static damage to components is you do not always see the damage immediately since static can weaken components causing future failure. Remove all cards from the slots except the video card if you do not have the onboard video.Be careful to touch only the edges of the boards and place them on the antistatic mat in the antistatic bag. Plug the power supply back in and see if the Power On Self Test (POST) displays the boot process on screen or beeps are audible. The error beep codes can change from the BIOS types but these are a few generic ones. It would be best to check your motherboard manual for a complete listing of error codes.
1 short beep – System is OK
No beeps – Bad power supply or system board
Continues beep – Memory error
1 long two short beeps - display adaptor

If no video is displayed and no beeps can be heard, turn the system off by pressing the power button and unplug the unit. Verify the ground strap connection on your wrist and the bare metal of the power supply. Carefully remove the memory sticks handling only by the edges noting which slots they go in and which module was taken from which slot and place them on the antistatic mat or in the antistatic bag. Plug the power supply back in and see if a continues beep is audible. If yes, power off the unit and unplug the power cord. Put only one memory module in the first slot but do not put the same module in the same slot (swap them)if you have more than one module. Restore power to the system and see if the continues beep is no longer heard and you see video. If you see video and no continues beep than power the unit down and unplug the unit. Do the same for any other memory module which will help you determine if any modules are bad. This test is not a complete test but if any modules are dead you can identify them. If no video and no beeps the motherboard is the suspected problem.
If you have video and one short beep on power on and all memory checks good. Power down the unit and unplug the power to the power supply inset one of the removed boards and try to boot the system to see if you still have video. If you do power the system down and repeat the same procedure for each card. If you do not have video suspect that card is bad.
Good luck and be careful to always touch the bare metal of the power supply with it unplugged before reaching inside the computer and touching any boards.

Jan 18, 2010 | Intel Motherboard

2 Answers

Motherboard power is on but cannot display screen, the monitor is black or no screen.


your problem could be almost any of your hardware components
the best way to detirmine wich one/how to fix it is with a process of illimination. You should do this by switching your hardware components with known good ones.
being a display problem the order i would test with is this.
  1. disconect everything but the screen
  2. swap screen for a known good one
  3. disconect graphics card and try the onboard (if no onboard try another gc)
  4. test psu (power supply unit) this can be done with either a psu tester, multimitre or try with another psu
  5. try removing all your RAM, when you boot if your system beeps a couple of times you know that your motherboardand cpu are good. if it doesnt beep it is probably your motherboard or cpu.

Oct 14, 2009 | ASUS P4P800-MX Motherboard

1 Answer

No display , monitor light blinking


it could be you video card or onboard video whichever you use or even the cable! make sure you test with a different cable then if that doesnt work try another video card if you use one

Jun 28, 2009 | EPoX EP-4PEA+ Motherboard

1 Answer

No beep,No Display on my monitor,only CPU heatsink fan is moving


You motherboard has onboard video. It's possible it needs to be disabled and the option changed to use the pci or pci-express slot for the Ati card you installed. Since you have no post error beeps this is the best place to start. Also I had built a system not to long ago and had a similar problem. Resetting the cmos on the motherboard (usually a pin combo) solved the issue.

Start by hooking up your vga cable to the onboard video.

Hope this helps.

Apr 07, 2009 | MSI P7N Diamond Core 2 Quad/ Nforce 780i...

2 Answers

No output


if you are using pci or pci-e the motherboard maybe bad on the driver slots,if using the onboard system on the motherboard it is out and needs replaced. lala linda

May 31, 2008 | Biostar P4M80-M4 Motherboard

1 Answer

Is motherboard dead?


Either motherboard, ram module or if no power at all sounds more like a power supply. If the computer has on board video you will need the ram to get any video. But with it removed the board should still beep if the case speaker is connected to the board. Have seen a lot of these less expensive motherboards fail. If there is no power up at all or lights coming on on the case I would think it is a power supply problem. Happens all the time and quite easy to repair. Just put on a new power supply.

Dec 12, 2007 | EliteGroup ECS P4M800-M Socket...

1 Answer

No Video Output - HP 6635 Desktop minitower - CPU Intel CELEROM 533Mhz


if you have changed the monitor and the same no signal have you noticed a beep sound? or can you see the green and red light in front of cpu? if both of this doesn't light it's power supply and if there are led lights (green&red) lighting but there is a continous beep sound the problem is the on board video card. if a sound short beep, beep the problem is your memory card.

Nov 27, 2007 | HP (5064-6630) Motherboard

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