Question about E-Machines (308714) Motherboard

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The power supply burned out. replaced it. Still I get, no signal

I get 'No Signal' display on monitor. Its not the cable, memory, these all have been checked. Computer is a Emachine T2200.

The video card is intergrated into the motherboard. I install an another video card in an extra slot, still nothing works?

any advise? Is board burned out. The Orange hard 'drive light' comes on when powered up, but it stays solid. It does NOT blink as if it was booting up. I tried other hard drives and none blink on.

any advise appreciated

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Hi, the motherboard is dead, the cpu socket is blown and this results in a voltage surge through the plug that powers the cpu, this plug has 2 x yellow, 2 x black wires on it. The problem with these motherboards comes from the cpu socket which then blows the power supply, no the other way round. Have done hundreds of these boards for different poeple, need more support at compdoctor2005@btinternet.com

Posted on Nov 23, 2008

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There will be one INTEGRATED CIRCUIT (ic) near by the pci slot it is called as the video adapter ic ....
if this ic is dead then the the display will not come ...

so you need replace that ic ..

you can do that if you are experienced professional ...

if you have no idea then you need take it to motherboard technician ... ..


regards
-Dileep

Posted on Nov 23, 2008

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1 Answer

Monitor display


No Signal

No video signal

(Monitors may also do this, and state Power Saver Mode, or Sleep Mode; instead of No Signal)

1) Check the monitor cable. Has to be ruled out before going on.
Either use it on another known to be working computer, and monitor; or use another known working monitor, and cable on your computer.

Monitor cable checks out go on

2) From here the logical assumption would be to check graphics.
If the graphics are coming from the motherboard, Integrated Graphics; then use a graphics card.
If the graphics is from a graphics card, use a known to be working one, for a test.

[ The I/O area is on the back of the computer. I/O stands for Input/Output. It refers to the Input and Output devices that are connected to the computer; in the rear area.

Mouse, Keyboard, Monitor, audio cables, etc.

If the monitor is connected in the I/O area, the computer is using Integrated Graphics. In the past we used to refer it as OnBoard Graphics.
ON the motherBOARD.

If it is a graphics card being used, it will be in one of the horizontal expansion slots, on the back of the computer ]

However I would like you to jump past that.
Check instead;

1) Is the computer dirty inside? If the Processor overheats it turns off.
(BIOS turns it off) This is a fail safe feature built-in. Keeps the Processor from burning up. (Literally)

Clean the inside of the computer out with a can, or two of compressed air for computers. Use Q-tips, and/or small soft brush (Makeup brush?), to dislodge the heavy 'Gunk', so the air can remove it easier.

2) Ram Memory:
Remove all ram memory modules. ('Stick') Clean the gold plated contact pins with a pencil eraser.
If you are using an eraser on the end of a pencil, and not a solid eraser; refrain from letting the metal band of the pencil, touch the gold plated contact pins.

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

Handle the ram memory module by the BODY.
The Body is everywhere on the ram memory module, EXCEPT the gold plated contact pins.
The Body is coated with a see-through protective plastic.

Rub up, and down, and across; on EACH contact pin, BOTH sides.
Use air to remove the eraser dust. You can use a can of compressed air for computers, if available; or air pressure from your mouth will be sufficient.

Reinstall.

3) Power Supply:

There are two main issues for desktop computer failure;
A) The computer is dirty inside
B) Power Supply failure

Ram Memory contact pins cleaning is an add-on; but necessary.

With a Power Supply having a weak voltage power rail, you could see LED's light, and fans spin; but NOT have enough power to turn the Processor on.

1) If ALL of the LED's (Light Emitting Diode) were on at once, they would use less than 1 Watt of power.

2) EACH fan uses 2 to 3 Watts of power.

3) A typical Processor can use from 51 to 125 Watts of power.
Just depends on what Processor it is.

That is why you can see LED's light, and fans spin, but no signal.

Use a KNOWN to be good, Compatible power supply; for a test unit.

Or;

Use a multimeter to test the 3 main voltages;
3.3 Volts, 5 Volts, and 12 Volts. All are DC Voltage. (DCV)
[In comparison two D cell flashlight batteries produce 3 Volts DC ]

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

Dec 26, 2012 | Intel DG41RQ Motherboard & Core 2 Duo...

1 Answer

I have a synaps monitor model mt9bbk. The screan will go black and power led will flash.


Display Power management is being triggered because no input signal was detected. Verify that the video source is connected and on. (Computer, notebook, etc).
- Try another computer or laptop that you know is working properly.
- Do you see any change on the screen if the display cord is completely disconnected (often a "Test" or "Check Cable" message appears). - Inspect the signal cable from the monitor - worn? Any places where the cable was bent to an extremely small (acute) angle? (less than 75 degrees?) Try gently moving the cable around at either end and see if you get a partial signal on the screen (while connected to the computer). If you do, the signal cable is damaged, if possible replace it. try: www.monoprice.com

Apr 14, 2011 | Motherboards

1 Answer

I have a problem getting a signal to the monitor. So I took the side panel off and I see this large ribbon wire thats hooked up to the motherboard on one end and nothing on the other. It's labeled FDD. So...


Yes. It's a flat ribbon cable with 34 wires in it. Goes to a Floppy Disk Drive.
Shouldn't be connected to the motherboard without a Floppy Drive attached, but in reality will do no harm.

What is the computer manufacturers name and Model Number? Back of the computer next to the Windows product key, or up on the side of the tower.
Tell me about the problem of getting a signal to the monitor.

Monitor shows No Signal?
Good. This indicates the monitor is okay.

Have you tried to replace the monitor cable, IF it detaches?
Have you tried a KNOWN to be working monitor, AND it's monitor cable?
Yes?
Same symptom?

Computer is bad. No Video Signal is being produced by the computer.

Three things to check before you concern yourself with the graphics on the motherboard.
Suggest when you perform number 1 below, that you also perform number 2.

1) Clean out the inside of the computer with a can of compressed air for computers.
pay special attention to the Processor Fan, and Heatsink sitting on the Processor.
(Or front computer case fan, and Heatsink sitting on the Processor)

[Computer on a table, computer unplugged from power, computer case open.
Observe Anti-Static Precautions ]


2) Ram Memory:
Computer on a table, computer unplugged from power, computer case open.
Observe Anti-Static Precautions, remove all Ram Memory module/s. ('Stick/s')

Clean the gold plated contact pins on the bottom of the Ram Memory module/s, with a pencil eraser.
Rub the eraser up and down on EACH contact pin.
If you are not using a solid eraser, and one on the end of a pencil, refrain from letting the metal band touch the contact pins.

Use air to remove the eraser dust.
You can use a can of compressed air for computers if available, or air pressure from your mouth will be sufficient.
Reinstall the Ram Memory module/s.
Plug the computer into power.

No?

3) Bad Power Supply. Weak voltage power rail.
One of the leading causes of computer failure.

Sometimes brought on by the fact the computer is dirty inside, (As well as inside the Power Supply's case), and sometimes brought on by the fact the computer manufacturer used a low quality Power Supply.

Enough power to light LED lights, and maybe spin fans, but Not enough power to turn the Processor on.

A) ALL of the LED lights on at once 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 of power. Depends on what Processor it is.

Nov 27, 2010 | Motherboards

2 Answers

Monitor not recieving signal?


Hello,
If you are really sure that your monitor is working, then you would probably have to change your graphics card with a working one to see the results. That should solve your problem. If this does not solve your problem, then we are not dealing with a display problem here. In this case, you may have to check your memory.

All the best.

Jan 13, 2010 | EPoX EP-8KRA2+ Motherboard

1 Answer

Lighting came into my computer via the ethernet cable. can this be fixed I also think it took out my power supply un it. It is a gateway 500c.


If only power supply's affected, then change the SMPS with a compatible one of the same rating. But first check the monitor by connecting to the mains power supply with the video chord not attached to anything. if the monitor displays "no videos" signal, then the monitor is OK cange the SMPS of the CPU and check UPS & spike boards fuses, otherwise commect to main power supply pluf(Wall 3-pin outlet socket)......sodeep

Jun 09, 2009 | Gateway (4000274) Motherboard

2 Answers

No Signal


No signal on screen means that there is no input for your monitor from the PC.

1. There might be problem in your PC or in the cable connected to PC from monitor.
2. Your PC might damage that it could not send signal to the monitor.
2.1 In your Motherboard might be faulty in the VGA chips.
2.2 In your Motherboard's SMPS mean power supply.

I think you can got my point. If you are tech person it will help you, otherwise you should take a tour to any service centre.

Thanks & Goodluck
Iqbal

Jul 21, 2008 | Intel Desktop Board D845GLVA...

2 Answers

No signal to monitor when booting.


(1) Remove memory from mother board and start the system if you happen to listen long beep then RAM is not working properly.
(2) Clean RAM conducting area on mother board with clean cotton cloth, put one peice of RAM and test and check the othe peice also, if working you could any sign display . Before doing all these check mother board any LED is glowing if so your SMPS is working after you turn on UPS.

(3) Check for all proper connection for all cables. Have you connected video cable of monitor to mother board VGA (it will not work because it is disabled as soon as you installed XFX GeForce 8800 GT), your viedo output only will come through XFX GeForce 8800 GT VGA port.

(4) If propelm persits Deassmble complete the system and reassmble & do n't connect HDD, DVD, floppy. Cehck with bare mother baord, processor, RAM (put one picese at a time) by connecting viedo cable of monitor

Apr 19, 2008 | ASUS M2N-E SLI (M2N-E SLI GREEN)...

3 Answers

E210882 - NO VIDEO OUTPUT


initially, the power supply failed, after replacong it, the cpu powered up but I had no videao signal out.....not sure about sound....never tried any thing else, couldnt see any thing....

Mar 17, 2008 | Dell (E210882) Motherboard

1 Answer

Monitor


1.Check signal cable from VGA 9 pin socket
2.Check whether the monitor gets the power
3.. set default monitor settings in the monitor menu
4. Check for proper display timing in monitor screen menu
monitor display timing 48.3KHZ, 60 HZ

Dec 20, 2007 | Motherboards

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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