Compaq presario CQ43 screen is black

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Hello,
Today I was using it and I shut it down before I left. I came back and turned it on to find my caps lock blinking the power button on and my wifi button on orange? My screen is black. Can I have any advice plz plz help me

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If the external monitor, properly connected to the monitor, also shows no display, the issue may come from your video card or circuits thereof.

Sorry but only a hands-on qualified technician can perform the tests to narrow down the issue.
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Hi

Try this to remove possible "flea power":

1. Remove battery and power cable.

2. Press and hold the power button for 58 seconds.

3. Replug the cable and start.

Let me know
Not result ram check ram ok not only display black any how idea plz help me
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Have you tried to check for a screen issue by plugging to an external monitor?
external monitor check no display but external key board num lock light on
plz replay for my laptop new life