Predator Helios 300 black screen/won't boot but keyboard lights up when lifting the lid PH315-52-78V

spartansjase
spartansjase Member Posts: 3 New User
edited September 2022 in Predator Laptops

I have a Helios 300 that was purchased in 2019 and have not had issues with it until very recently. I was using it just two days ago when it just shut off abruptly with no warning. Charging cable was plugged in, so I know it wasn't caused by battery failure/low battery. Now, when I open the lid to the laptop, the keyboard illuminates for a few seconds, then the screen flashes and then turns off. If I press more than one key on the keyboard, it lights up again with the screen flash and then goes away. I have researched many solutions to this, including this site itself, and have tried many different things, but no luck. Here are the things I've tried:

*Reseated both RAM chips, tried powering on with no RAM chips

*Unplugged the battery and tried booting with just the charger, held down the power button for a minute, with the battery installed and without

*Made sure all connections were tight and secure on the motherboard

*Let the laptop charge the battery until the indicator light was blue and then attempted to power it on.

The power button on the laptop doesn't seem to do anything when I press it or even hold it. Not sure why pressing more than one key makes the keyboard light up and the screen flash, but that is the most activity I've been able to get out of it.


[Edited the thread to add model name to the title]

Answers

  • Hi! When you press multiple keys and don't release them, does the acer logo appear?

    Oi! Eu não sou sou a cortana! Mas estou aqui para ajudar! Hi! I'm not the cortana! But I'm here to help!
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  • spartansjase
    spartansjase Member Posts: 3 New User

    I was able to get it to boot by holding down the ctrl key the whole time, but if I let go of it, the laptop powers off again. But as long as I hold the key down, the laptop seems to function and boot. Could this possibly be the keyboard itself that is causing the issue? I've heard of voltage problems with built-in keyboards in the past causing them not to work but never heard of holding down a key to get it to function.

  • Yes, I think it could be a keyboard issue. What is the exact model? Example: ph315-52-58vh.

    Oi! Eu não sou sou a cortana! Mas estou aqui para ajudar! Hi! I'm not the cortana! But I'm here to help!
    Se você gostou da minha resposta, marque como solução clicando em sim! If you liked my answer, mark it as a solution by clicking on yes!
    Aceite somente a resposta que ajudou a solucionar o seu problema! Please accept only the response that helped to solve your problem!
    Detection tool click here to find the serial number or partnumber of your model!                                                          
                                                      
                                                     egydiocoelho Trailblazer
     
    ProductKey clique aqui para descobrir o serial do windows! click here to discover the windows serial!
    Para usuários da comunidade inglesa, espanhola, francesa e alemã, usarei o google tradutor! :)
    For users of the English, Spanish, French and German community, I will be using google translator! :) 
  • spartansjase
    spartansjase Member Posts: 3 New User

    The model is PH315-52-78VL.

  • Have you taken the laptop apart to check for any burnt capacitors, resistors or mosfets?

    Oi! Eu não sou sou a cortana! Mas estou aqui para ajudar! Hi! I'm not the cortana! But I'm here to help!
    Se você gostou da minha resposta, marque como solução clicando em sim! If you liked my answer, mark it as a solution by clicking on yes!
    Aceite somente a resposta que ajudou a solucionar o seu problema! Please accept only the response that helped to solve your problem!
    Detection tool click here to find the serial number or partnumber of your model!                                                          
                                                      
                                                     egydiocoelho Trailblazer
     
    ProductKey clique aqui para descobrir o serial do windows! click here to discover the windows serial!
    Para usuários da comunidade inglesa, espanhola, francesa e alemã, usarei o google tradutor! :)
    For users of the English, Spanish, French and German community, I will be using google translator! :) 
  • giriludlum
    giriludlum Member Posts: 2 New User

    i too have the same issue with the same model! could you resolve it? any help would be deeply appreciated