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Hartoscar
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Flag Post

Disabling discrete GPU

HP Recommended
X360 SPECTRE (15-bl100na)
Microsoft Windows 10 (64-bit)

Hi there,

 

I bought this laptop about 3 years ago (for 1300+ €), last year it started freezing while rendering 3D (games), then as this happened I noticed that some times when switching on it wouldn't start or show any signs of power other than a pattern (3 fast 3 slow) of led blinking on the Caps Lock key, which I learned means "The embedded controller times out waiting for BIOS to return from graphics initialization or if a graphics output device failed to initialize. Contact support for repair due to graphics or video".

 

Now and then it will boot, there doesn't seem a clear reason for why sometimes it boots and others it doesn't.
So I upgraded al the drivers, disabled it from "devices" on Windows and all that software in OS stuff. But nothing worked, it keep freezing and eventually giving me the "blue screen of death" and failing to boot randomly.  

So I took it to a repair shop and they sent it to HP repair, hoping maybe for a bad connection on the GPU or anything that could be solved resoldering or whatever. They sent it back saying that it cannot be fixed.

The laptop works well with just the CPU's integrated GPU, and for what I use it I guess it's ok (minus some 3D gaming), the problem is that it keeps having issues to boot, I switch it on an the Cap locks key starts blinking, long press to kill power, try again, and again and again, and if I'm lucky it works, if i'm not it doesn't. I need it to work.
What I'm guessing it's happening is that the laptop is trying to power on using the dedicated GPU, and it can't so it just doesn't boot, and other times, I don't know how or why it boots ignoring that GPU and goes for the intel one. Obviously the BIOS is extremely simple to take away control from people who don't know what they do (or any other reason), so unlike other computers there is no advance option for me to choose which GPU is the laptop booting from.

I have a 1300+€ laptop that other than the dedicated gpu and the effect it has on booting works flawlessly (well except because the keyboard started failing after 1.5 years). It would pain me a lot to toss it into the garbage and spend more money on a new laptop just because there is a very legit option missing on the BIOS or simply programing it so when the discrete GPU fails it just re-routes to the integrated one.

Any possible solution? If not I'm seriously reconsidering buying anything from HP ever again.

 

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