The tv just shut off after being on for about 5 minutes,now when trying to power on the power light flashes 4-5 times then it shuts right back off it's a 32" lcd magnavox 32mf338b

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Hi Michael,

It sounds like you are having a problem with the mainboard in your TV. You could try a power drain:

1. Unplug the product's power cable so that the device is not grounded to the house. Do not simply turn off the power-bar if one is in use.
2. Press and hold in the products power button for 1 minute to release the retained electricity from the capacitors and circuit board.
3. Plug the product back into the wall outlet rather than a power-bar to rule it out of contributing to the problem and turn the device back on. If this doesn't help, the TV will likely require service. Since the TV is attempting to power on, I would say the power supply is fine otherwise you wouldn't see the LED's flashing. Good luck.