The headseat had been working perfectly. One night after charging it, I unplugged it and the blue light came on. I tried pressing MFB for three seconds but nothing happened. I tried detecting it with my phone and nothing happened. Now the blue light simply stays on until the battery dies. Nothing seems to work.
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1. When you press the power button to turn it on, do you see any thing on screen, like the toshiba boot up screen or something like that. Or is it completely blank (black color) always.
2. Can you see a faint image of your desktop (try to see it in dark place with flash light). This is important to confirm.
3. Also, when you press power button, do you see the LED lights on laptop blinking or solid green (which ones are in blinking/solid) and do hear any sound ? Or do you feel that your laptop doesnt even try to boot.
4. Can you hear any Beeps when you try to turn on the computer. If yes, what is the sequence of those beeps.
If you answers are -
2. no image
3. only the satellite light is blue, the powercord is blue and the battery is blue
4. no noise
Please do the following carefully and let me know result : 1. Shutdown and Unplug your laptop. 2. Remove the battery from the laptop. 3. Wait 2-3 minutes 4. Now press ON (power button on laptop) for 1 minute 5. Then release the finger and wait one more minute. 6. Now plug in the power cable (dont insert battery yet) and press ON button. 7. Did your screen start working now ? (do you see windows loading)
Sounds like a loose wire nut to me. When you turn the light on the connection warms up and the wires will expand. When you turn it off they cool down and contract. Combine that with slight vibration from the fan over 4 years it could cause a loose connection. Just pull the trim ring down and tighten all the wire nuts. The light is usually the blue wire. Dont forget to kill the power first. If that doesnt work its probably a bad remote sensor.Inexpensive and easy to replace.
The TV is going into protection mode. Could be a problem with moisture. Can you try warming up the rear with a hair drier? Ensure that you do not apply too much heat to avoid damage to plastic parts. If you can remove the back cover (after unplugging the power outlet and switching off the TV), try doing in on the entire PCB, if you suspect moisture is the problem. Please do not touch anything in the board by bare hand as there would be high voltage charge in capacitors even after switch off. If it does not work, this might need attention of a qualified service technician
Unplug the AC power from the Plantronics 500A base, leave it unplugged
at least overnight if possible, no lights should be illuminated on the
base. Then plug the power back in, charge the headset, and try
the headset to the Plantronics 500A base unit. Here is the
link for the pairing instructions:
try restoring the headseat to manufacturer sefault settings. To do this you must turn it off for 10 seconds, then turn it on(let it power up) and hold both the volume buttons down while also holding the call button for 10 seconds. Should enter pair mode then =D
Well, i didn't charge mine over night, was listening to it in the evening while doing some chores and all of a sudden it stopped playing, Blank screen and permanent Blue light. I tried to turn if off but it didn't respond so i left it. In the morning, it went off itself (guess the battery was low). So i connected to the computer and inserted the ZEN CD. As i was exploring the CD looking for a solution, then all of a sudden the screen came up with a note "Rebuilding..." after 5 secs it came on. With all my files intact!
I hope this wud be helpful, You could give it a shot, after all there's nothing to loose!
YOu will have to put the headset in pairing mode by keeping the power button pressed till the light becomes solid blue instead of blinking. Now switch on the blue tooth of your mobile and try pairing,. it should work. passcode will be 0000