Question about Fujitsu LIFEBOOK NH570 - Core i7 620M .66 GHz - 18.4in. TFT (S7858653) PC Notebook

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Black screen one light on and the fan makes at noise

One light and one light flashing and just a black screen

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Try an external screen and see if the laptop boots successfully into windows.

Posted on Jan 08, 2013

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Posted on Jan 02, 2017

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I have a Plasma TV with black screen and 6 red light flashes.


These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electronicshelponline.blogspot.com/
Blinking codes details to many popular brand TVs are given. Surf the site with patience.

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Is it 3 sets of 2 buzzes about 15 seconds apart ?
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Clicking sound is usually a bad Hard drive. Take the Hard drive out and power it up to see if the noise stops. The fan makes a different noise when it fails.

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response. Happy Holidays!

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