I just got a 3m microtouch m150 from circuit city when they closed. i got three actually and two of them work, but when i turn one of them on the speakers sound for less than a second and then the green led blinks on the front really slow, and if i hold select then the green led turns yellow for about 5 seconds. also the if i plug it in to a computer while the monitor cable plugged in the computer recognizes it is there. what should i do
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1. Plug the microwave into the outlet if the microwave won't power up. Make sure the plugs on the microwave match the type of outlet. A four-pronged outlet can only be used with a four-pronged plug. Same with three-pronged outlets---they only work with three-pronged plugs.
2. Inspect the plug. Make sure it hasn't been cut or tampered with. Four-pronged plugs can't be cut down to fit a three-pronged outlet. Three-pronged plugs mustn't be forced into four-pronged outlets. A three-pronged plug mustn't be used in a two-pronged outlet, either.
3. Replace blown fuses, or if there's a circuit breaker, check it for tripped breakers. Sometimes the trip won't be obvious, so cycle the circuit breakers. Turn them all the way off and then back on again.
4. Plug another appliance in the outlet. You will find this easier with three-pronged appliances. Simply plug a toaster, or other appliance into the microwave's outlet, and see if it works. If it works, you know the problem is with the microwave, not the power circuit. Have the microwave serviced or replace it. If the toaster or other appliance doesn't turn on, you know the problem is with the circuit.
Hope i could help you.
Have a nice day : )
well I have a work around and a solution possibly. first go threw your menu audio and verify external speakers are not turned off. if there is no setting or it is turned on already try a different video/audio input if nothing else if you have good picture you can use a stereo reciever to play the sound you do not have to input audio into the tv if you have surround sound go straight from your device(dvd, vcr,cable box etc.) to your sereo reciever just the audio plugs (red and white, not yellow unless you have a monitor out from your stereo in which you conect all three to the stereo input then one cable from the monitor out on the stereo to the tv in put
Do have the 3M driver? If not you can go to their web sight and down load it. You'll need to know what touch card you have, Microtouch or Dynapro. The monitor will be marked hopefully or you could call tech support. Just google 3m touch screen drivers.
if it is completely shaking then problem is in power supply filter ckt.
1 please check main filter capacitor.
2 check bridge rectifier diode for open.
3 loose connector in power supply.
But if it is shaking on top then check for horizontal oscillator section.
if you are not rech. person take the help of skilled tech.
good luck.
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