Question about Optoma EP739 Multimedia Projector

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Power will not come on.tried many power chords none work light will not come on

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Are there any leds on? if not, replace the power supply. if there are, such as one blinking red, could be the colorwheel, ballast, or the lamp has expired.

Posted on Nov 16, 2009

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Posted on Jan 02, 2017

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1 Answer

I moved and when I moved I took the power chord out and when I got to my new place it won't turn on. None of the lights come on, it does not make a noise, or anything. It just seems like it is not getting...


Check for a master power switch that might be turned off. If that is not it, take the back off of the set and look to see if you have a blown fuse.

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The print cartridge can not move


turn on the printer then try to move it manually..
if it does not work turn it off and try to move the carrriage manually.
still does not work then do following steps...
1) connect printer directly to wall
2) remove the power chord from back of the printer and then press and hold down power button for 30 sec. release the button and plug in the power chord..
3) if still it does not work out then unplug the power chord from the back of the printer.. press and hold the pound(#) and number 6 key together. then without releasing the button plug in the power chord.. once the power chord is plugged in release the buttons.. the printer would align .. if still it does not work then replace the product as it is an issue with the carriage

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My Compaq Presario SR1250nx will not turn on. The power chord is attached and power strip is turned on. I've also tested on a stand alone outlet to ensure it wasn't the power chord. A little green light...


Looks like your power supply's failed. The green light on the back of your power supply is just a neon light that just confirms that the power lead is OK, it does not relate to the status of the power supply! Try powering it up with another power supply, or replacing the power supply.

Oct 14, 2010 | HP Compaq Presario SR1250NX (PJ534AA) PC...

1 Answer

I had a power failure and tried to restart computer will not start and light on back keeps blinking


Well lets hope nothing fried, What i would recommend to try is to unplug the power chord from the back of the computer and hold in the power button for about 30 Seconds to remove all the power from the board. Then plug the power chord back in and hit the power button and see if the computer starts. Let me know if this works for you. Thanks

Jun 24, 2010 | HP Compaq Presario SR1230NX (PJ518AA) PC...

1 Answer

Reset power light comes on


connect the printer directly to wall outlet then disconnect the power chord from the back of the printer press the on button on the printer for 10 times reconnect the power chord back to the printer.
try printing

Oct 10, 2009 | HP OfficeJet 6310 All-in-One Printer...

1 Answer

How do I reset my Mitsubishi TV?


To reset you will have to leave the unit unplugged over night but if that does not solve the issue you may want to inspect the power supply circuit (the first circuit in series with the power chord). Check for leaking capacitors, burnt parts or loose parts. You may have to check the entire circuit if in case none are found in the power supply circuit.

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1 Answer

Hp psc 2210 all-in-one on power up all the lights blink nothing else happens


connect the printer directly to walloutlet.disconnect the power chord from the back of the printer press the on button on the printer for 10 times.then press the power and cancel button simultaneously and keep holding the buttons while with the other hand disconnect the power chord wait for a minute connect the power chord back to the printer .if that does not work then took out all the cartridges clean the electrical contacts on the cartridges also clean the electrical contacts in the printer then put the cartridges back .if that does not resolve the issue try with new set of cartridges.

Sep 13, 2009 | HP PSC 2210 All-In-One InkJet Printer

1 Answer

Cintiq 12WX screen not working :(


may be the power chord is damged go to a nearby shop and tell tham to give you a new power chord of monitor and then try it should work fine
thank for visiting fixya
have a nice day

Feb 19, 2009 | Wacom Cintiq 12WX Interactive Pen Display...

1 Answer

Power


hi,
try this
> connect the power chord directly to the wall socket.
> check with different wall sockets.
> unplug and plug in back the power chord. make sure that it is securely plugged in.
> check whether there is a light on the box which comes between the printer and the wall socket.
> if there is light and you hav the problem u need to service the unit else power chord may be the problem.
thanks and regards
agnel

Feb 23, 2008 | HP OfficeJet 7410 All-In-One InkJet...

1 Answer

No Power


i'm having the same problem.

check the power supply chord that connects into the tv. I have to adjust a jiggle the chord until the red light on front panel comes on.

The power supply chord needs to be replaced.

Aug 16, 2007 | Toshiba 20HL85 20 in. LCD Television

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