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How can I fix my laptop thta turns on but shiw nothing on the screen?

so I decided to update to my HP 8440p elitebook and thought I could do it just like any other software, I had no idea.

I downloaded the installation from the official website and opened it and hit next next install like an idiot. The laptop turned off, I turned it on but nothing shows up on the monitor, just a black screen.

I did notice that the caps lock turns off and on which doesn't happen normally.

I've tried to hook up the laptop to an external monitor but still nothing just a black screen.

I would appreciate some help, thanks!

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Hi,

Here's a link to the LED error codes for HP laptops.

See if you can identify which code is being shown to see what the problem is. (you mentioned Caps lock turns on/off - is there a pattern showing?

Hi,

Did you check for error LEDs as suggested or can you get into BIOS on startup?

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I don´t think that the install trying and the no video problem are related, it could be a causality, so, I´ve seen that error other times and could be something very easy, try powering off your laptop and taking out the RAM memories and cleaning the contacts of the memory with an eraser; then make sure that there is no rest of the eraser in your RAM memories and put them back and try powering the laptop on.

If the problem remains there are other things to do, but try the easy way first.

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thank you for the answer, I tried this but it still turns on with nothing sitting on the monitor

try an external display, if the problem remains, you´ll need to disassembly entirely you laptop and try a full clean-up.

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