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Why will my screen not turn on?

when I turn on my imac I hear the chime and the crt but it displays nothing

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Android 维修工具包

A new screen or battery is one kit away.

现在开始购物

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Take the back off and examine the capacitors for swelling and/or leakage.

Next step would be to go over the video board with a soldering iron looking for “cold solders”.

You can get a very good electrical jolt from the CRT so look up how to discharge it.

Nevermind, here is a video on how to do it:

https://www.youtube.com/watch?v=snkMLQsk...

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yea I did take it apart I will have to check thanks!

BTW, think a flashlight on the display after it is booted and see if you can discern the desktop. Please let us know your results.

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