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Turns off after few seconds with batery or with the power cord only. never turn on the monitor, just fans sound for 5 seconds and stop rotate and the start blue botton light remains on.

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Check the battery is charged first and that power is getting to the laptop by the DC Jack. You can test this by setting a multimeter to 20V DC and touching one probe to the inner part of the DC jack and the other probe to the Outer (earth) of the DC jack (red to inner black to outer). I'm assuming the fuse in the plug of the adaptor is ok...

If there is power getting to the DC jack, check the connection to the DC jack socket on the motherboard, if it feels sloppy or loose, this is where the problem may be.

If the fit is tight and the AC adaptor is supplying power, you could have a ram issue. Romove each ram module in turn and try to see if the laptop boots then, if one stops it booting, it needs replaced.

Failing this, you could have a fault on the motherboard which will need technical investigation

Posted on Jan 02, 2011

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I plugged in my xd490u [mitsubishi] data projector...and then power turned red, status turned green for few some seconds. later power blinked [red + green] and did not work. can anyone tell me what the...


It sounds like your lamp may need replacing. Before you go that route try all of these:
-Make sure the lamp cover on the bottom is fully attached. -If you unplug the power cord while the fan is rotating, the lamp may not turn on about 1 minute when you plug the power cord next time. After the status indicator stops blinking press the power button to turn it back on. May have to press it multiple times. -If your Power Light continues to blink red/green then you should contact your dealer.
Sorry I couldn't be more helpful.

Feb 28, 2011 | Mitsubishi XD490U Multimedia Projector

2 Answers

Sir i am using asus motherboard(ASUS M2N68-AM SE2) in my pc, when i switch on my pc the processor fan and smps fan is rotating for few seconds(4 to 6 Seconds) and it stopped rotating. 1. the monitor shows...


remove all the ram from motherboard and switch on the system and see it is working or not like just on and fan are rotating and the smps fan is also working and your system is giving beep sound for ram.try with other smps also some time problem with power supply also. Remove the connector of power switch and restart switch and directly try to on from shorting the connector with the help of pen or screw driver point. Some time faulty switch also give problem. Just try all these possibilities.

Hope this helps. Please rate my response.
Thanks.
Have a good day.

Jan 03, 2011 | ASUS M2N68-AM SE2 Motherboard

2 Answers

Monitors comes on for a few seconds then goes black. the only way is to turn it on and off but still only stays on for a couple for seconds


I think the power board might be going bad in there. Hook up a different good working monitor to the computer and see what happenss.

If the monitor still turns off after a few seconds then you know its the video card acting up. If the monitor stays on then you know its the original monitor that is bad for sure.


Jul 03, 2009 | Dell E172FP 17" LCD Flat Panel Monitor

1 Answer

No sound from monitor speakers. Worked fine for 5 years. Can hear sounds when using headphones plugged into CPU. Hope you can help even if only to tell me I need a new monitor. Sincerely Dizzyme.


Hi...there,
First of all, check if your audio cable are still plugged into the monitor and pc output (light green) audio jack. If not just plugged it back in... Still still got no sound... Then turned off the monitor and pc. Unplugged all the cables from the monitor and pc, wait for 10 second till all the surged built up are cleared out. Then you can plugged all the cables back Monitor should have 3 cables, a audio cable, a VGA or DVI cables, and a power cord... OK! now you got all the cables plugged back in...
Turned on the monitor and PC....and a few seconds....you should hear window started. Still... had a problems....just get a external speakers. Have nice day!

Oct 08, 2008 | Hansol H550 15" LCD Monitor

1 Answer

HP Pavilion meets monitor


I would fathom a guess that the motherboard has been damaged, if it is the PS then you can see by taking it into a service center to have the output checked 3 v 5 v 12 volt good luck.

May 26, 2008 | HP w19 19" LCD Monitor

1 Answer

Noise


Turn of the circuit breaker before doing this or plug out the power cord..
- check if the fan motor is not stuck up by touching the fan blade by your finger if it rotate freely. If stuck up full out the fan motor and put a little oil and rotate it manually until it turns freely.
- Check and rotate the fan blade manually and be sure that it is not mis align and not touching the fan blade frame.
- Check for loose bolts and screws that cause the fan motor vibration.
- Check for foreign object that obstructing the rotation of the fan motor.
- Check for defective bearing or bushing.

Jan 03, 2008 | Samsung RS2556 Side by Side Refrigerator

1 Answer

Problems with keeping the projector on!!


if it is blanking orange:1- if any objects are blocking the air inlet or outlet grille remove them.2- do not expose the air outlet to hot air emitted from heating appliance.3-check whether the filter is clogged with dirt-clean the filter if clogged.
if it is blanking green:-after status indicator stop blanking press power.if you unplug power cord while the fan is rotating the lamp may be not turn on for one minute next time you plug the cord.
press power button several times.

Dec 08, 2007 | Mitsubishi HD4000U Multimedia Projector

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