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Decision to replace motherboard or CPU? Fried Asus G75VW

wasd123333
Level 7
Hello, I previously had a problem in another thread where my computer died of overheating in drastic heat temps. I found out that either the CPU or motherboard was completely fried, but I'm not sure which one I will have to replace (hopefully not both), but in this case I'm more leaning towards the motherboard as the entity of the problem due to these symptoms:

1. Offline screen, completely dead monitor (Tried an external monitor, still no good)
2. Not sure if the HD symbol is the little cylinder icon, but only the Battery icon lights up, all other turned off
3. When I turn on the computer, the fan and power work fine, but the computer shuts down all of a sudden, then turns back on, then shuts down.
4. I don't think think if's a bad HDD or GPU because then the BIOS should at least load in this case.

If I could be wrong in my prediction please tell me so because I'm about to replace either the motherboard or CPU. I'm not sure if a fried CPU could still lead to a no-BIOS screen, if the CPU was missing, shouldn't at least the BIOS or monitor still load?

My model is the G75VW -FS71 from Frys and I was going to replace the motherboard with this, it's just it doesn't come with a CPU, so I"ll probably have to use the old CPU, which I hope isn't burned >.<

Just to make sure though, is this the right motherboard? And if so, why's it so cheap? http://www.aliexpress.com/item/LAPTOP-MOTHERBOARD-for-ASUS-G75VW-60-N2VMB1401-B03/616921056.html
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17 REPLIES 17

wasd123333
Level 7
Holy sh*t I think I found my problem and this was what I was scared of.

This isn't an exact picture of my CPU, but the oil spot is VERY similar, if not almost exactly what it looks like.
http://h30434.www3.hp.com/t5/image/serverpage/image-id/8515iC8D6780DDC323E9C/image-size/medium?v=mpb...

The provider and thread of that picture has the same symptoms as mine. PLEASE tell me this doesn't kill the CPU or at least is irrelevant to my problem. Thread of that picture http://h30434.www3.hp.com/t5/Notebook-Lockups-Freezes-Hangs/Hp-pavilion-dv6807us-problem/td-p/631001

Dreamonic
Level 12
Definitely looks like burn traces to me as I see browning to it in that picture. It means that chip is toast!

Hmm...


I had a DV9000 before that had a display problem, similar to your troubles and it required reflowing. I did the oven method on the MB because the GPU was embedded... (common failure on those NB's) this reflows the solder hairline cracks in GPU from excessive overheating and inadequate cooling.


It's either CPU or GPU related, as I figured.

FFFFFFFFFFFFFFFFFFFF, I checked the gpu and it looked perfectly fine, so this can only mean one thing....I have to replace the CPU 😞

It didn't have that brown shaded metal spots though, it just had that oil spot, which I think is just from thermal paste? Or am I just in denial here

wasd123333 wrote:
FFFFFFFFFFFFFFFFFFFF, I checked the gpu and it looked perfectly fine, so this can only mean one thing....I have to replace the CPU 😞

It didn't have that brown shaded metal spots though, it just had that oil spot, which I think is just from thermal paste? Or am I just in denial here




Just because you can't physically see anything wrong with it, doesn't mean it's "perfectly fine." It doesn't take much time to reach your TJunction Max even if within plate SPEC, for very long to destroy any electrical equipment, devices, components.. etc let alone your CPU.


My suggestions and Sandman007's would be your best option right now.


You can at least TRY to return them if you find out they both don't work, before telling yourself you'll take a loss. IF this is your only viable option to get your money back despite the reason you bought the parts originally for, well... unfortunately it's all you can do.

Sandman007
Level 7
Not sure if Dreamonic mentioned this. I did read all posts. But when you get your new Mobo stick it in. If you don't boot past POST or dont get a display KEEP the Mobo until you get your CPU. I say this because it would suck if you returned the Mobo and got the CPU and it turns out you needed both after all. Like Dreamonic said you can just return the mobo if all you needed was CPU replacement.
Asus G46vw
Intel® Core™ i5 3210M Processor
GTX 660m 2GB DDR5
8GB DDR3 1600 MHz SDRAM,
750 GB 5400 HDD
Windows 7 Ultimate db Ubuntu 13.04

No problem, I hope everything works out for you!

Don't forget to keep us updated with your progression!


Until then-

wasd123333
Level 7
Yeah you're right, but now I"m looking at my repair cost at already $500. I'll try the mobo when I get it next week, and if it doesn't work then I can assume it's the CPU. What if I replace both though and it still doesn't work? That's $500 down the drain, which I'm very paranoid of since I don't have much time to replace this laptop.

wasd123333
Level 7
Alright well thanks for the help I greatly appreciate it, let's hope for the best.

Until next time~