I just bought a used CMT-NE3, plugged it in and it won't power on. The LCD display is dark and the standby power light doesn't glow. Power cord is undamage, (yes the electric outlet has juice). Is there a fuse or breaker inside the case that I should check or can be replaced. I tried using the remote, nothing happens.
First, before you grab the screwdriver, check the voltage switch on the back. It should say 110v, not 220v. If it says 220v, just flip it the other way. If that doesn't fix your problem (and you don;t feel like taking it back to the store to be exchanged) then there should be a small fuse inside close to the power transformer inside. Check the fuse. If it's blown, you have your rusty gear. If it's not blown, close everything up all nice and proper and resort to exchanging.
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If you see power lights but nothing appears on the screen, it could be a "POST" (Power-on Self Test) problem or simply LCD problem.
Here are some steps that you can try.
1. Remove the battery and the ac adapter then press the power button for at least 20 seconds to drain electric charges left from the system. (You may need to repeat this step to get it work.)
2. If above step doesn't work, try to plug in an external monitor and see if you get display from the external monitor. You may need to press the Fn + F10 or F6, depends on the key designed on the keyboard to toggle between displays.
3. If you get display from the external monitor, I'm sure your having problem with the LCD components. In this case, check and replace faulty LCD backlight, LCD cable or LCD inverter. The LCD inverter is often a culprit.
4. Try to reinsert the memory module/s (RAM) of the unit, try using one RAM at a time to see if it works. A faulty RAM will cause the issue not to POST.
5. If reinserting the RAM doesn't help, most likely your motherboard needs to be replaced.
Hello Check its sled motor. It is the motor that helps to spin the disc inside. If disc do not spin inside, check the voltage at the terminals of this motor. If it is alright, and comes near to 5VDC, the sled motor is damaged and have to be replaced. OK.