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Can you force a laptop to use integrated GPU? - Page 2

post #11 of 14
Quote:
Originally Posted by BeeNeutrino View Post

@Tokkan: I was thinking that too before, that it might be some problem with the screen (maybe the wire as you've said). And I don't think it's short circuiting cause the small lights on the laptop work, and so does the keyboard back lighting. Just the screen remains off when I turn on the laptop. Also, I can't disable the nvidia GPU through Windows since the screen won't turn on. The shop seems to have a good reputation/rating so I'm not sure. They specified the problem as "Graphics Memory failure".

If possible get other opinions, I know I'm just a guy on the internet but I've seen way too many computers be abandoned because of a bad diagnosis. I personally have a collection of them which needed simple things to get working. I either sell them on the used market afterwards or give them. I got a hold of three workstation laptops, HP 8560W whose diagnosis were burned motherboard and they only needed a new bios chip.
Get a second opinion before messing with the computer, have someone with the gear for it take a look.

Like I said, I'm not an electronics guy... but I've dealt with my share of electronics enough to know it ain't as simple as it looks. The way your motherboard is built is in such a way that makes that diagnosis wrong.

The Intel uses RAM for it's video memory, the Intel is the GPU that works full time. Basicly what they are saying is: You have a bad memory stick.
post #12 of 14
Thread Starter 
@TheReceiver: I can try that. I only tried one video output, silly me.


@Tokkan: Before taking the laptop to the shop I tried starting the machine with just one stick of RAM (8gb). I tried both separately and still the same result, so I think that should be fine. Unless both sticks are broke, which I find unlikely. Or do you mean the vram?

Hmm, the problem is I don't really know anyone that has such gear, that's why I ended up taking it to a shop frown.gif . But I agree, it would be a good thing to get another person's opinion. I hate laptops mad.gif
post #13 of 14
It may not be the case but from laptops I have used generally the VGA is powered by HD graphics while the more modern HDMI / DP are powered by the GPU directly.

of course YMMV

best of luck
    
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i7 4930mx 3.5Ghz .97v AW17 Ranger 780m 1006c/2800m 16GB DDR3 1600Mhz 
Hard DriveHard DriveHard DriveHard Drive
256GB SSD 2TB FireCuda 7mm 2TB Firecuda 7mm 1TB Seagate SSHD 
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post #14 of 14
Quote:
Originally Posted by BeeNeutrino View Post

@TheReceiver: I can try that. I only tried one video output, silly me.


@Tokkan: Before taking the laptop to the shop I tried starting the machine with just one stick of RAM (8gb). I tried both separately and still the same result, so I think that should be fine. Unless both sticks are broke, which I find unlikely. Or do you mean the vram?

Hmm, the problem is I don't really know anyone that has such gear, that's why I ended up taking it to a shop frown.gif . But I agree, it would be a good thing to get another person's opinion. I hate laptops mad.gif

In the case of Intel Graphics, they don't have dedicated VRAM chips. So they use your system memory as VRAM. Thats why, on my case for example, I have 16GB of RAM but only 15,5GB are usable. 500mb are reserved for the Intel Graphics card.

The point being, if the memory is the culprit, it would be your RAM. Which you already tested.

Imo the diagnosis isn't complete, but I'm more inclined to say incorrect.
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