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Laptop starts up to black screen, won't boot until hours of charging
First, I want to thank you everyone involved with this site. I've been recommended here by my brother who had some really great results after being helped himself.
My problem is that when I start my laptop, it sounds like it's about to boot up, but the screen remains black. The CAPS Lock blinks the Wifi LED light comes one, and my laptop heats up, but other than that it does nothing else. I've tried a hard reset, I've tried removing the battery and using the adapter power online, but it still wouldn't come on.
So, I did some searching and I found a solution where the poster said he let the laptop charge for a few moments powered on, and I tried it and sure enough my laptop came back on. I thought that my problem was finally fixed, but the next day, I had to again wait about 45 minutes to an hour while it charged still powered on, in order to get it to boot up.
I heard someone say that the motherboard had to be a certain temperature before it could come on but I really don't know if that's the case. This all started after I closed the lid of my laptop and left it there for a while, and when I came back and tried to wake it out of sleep mode, it wouldn't wake it out of the black screen.
I updated all of my drivers, I've scanned for problems, nothing showed up. I tried to run a diagnostic test through HP but errors kept showing up. Everything else seems fine, except that it does tend to freeze up out of nowhere, sometimes when I leave it alone for a few moments, and sometimes while I'm typing.
I tried to give as much detail as possible, but if there's anything else you need to know, please let me know. I just don't want this hourly waiting period routine to be an everyday thing. Thanks so much!