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My HP Spectre x360 convertibles screen stays black as tab key blinks

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HP Spectre x360 convertible

I've been using my computer for school and it has been working perfectly all day. I got off it around 3:45 to take a break from studying and being on the computer, when I tried to go back on it to continue working, the screen stayed black when I opened it and powered it on but the Tab key blinked 5:3. At first I thought it was dead and plugged in the charger but that has not worked. Does anyone know how to fix this before I try to bring it into a repair shop?

The model is 15-ch011dx

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@Sophi2, Welcome to HP Support Community!


Is it the caps lock button or the tab button that blinks?


Meanwhile, refer to the document HP Notebook PCs - Computer Does Not Start and Emits an LED or Beep Code to isolate and resolve the issue.


Keep me posted. 


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I am an HP Employee

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