Ok, a close friends ask me how to recover from this laptop the entire hdd database for his wife who has a counting house. I found that this is an old but versatile laptop for this type of business.
From the start of the diagnosis I noticed no video on the screen. Connecting to external display displays an image with many missing image squares but also slightly blurred.
I disassembled it, checked the T5750 and 8600M GPU thermal conductor paste (GPU uses an infamous owner-mount system that does not allow replacement with any other board). I was not surprised to notice that the exhaust fan is not spinning. The test on the molex plug with direct adapter on an protected ATX PSU showed me that the fan is faulty. Probably his malfunction has led to overheating of both GPU and CPU.
Because his desire is to bring him back to life, I started with the GPU, the essential piece. And so I did my first reflow
. About 8 minutes at 250 degrees celsius, after watching a few fixed tutorials for this problem.
Because the laptop can upgrade to multiple components: cpu, memory, 2xhdd / ssd, I'm interested in a service manual both to identify the features of the parts and their compatibility. As shown in the picture, there are several m.2 ports and I do not know what they can accommodate.
Any other idea would be welcome
.
From the start of the diagnosis I noticed no video on the screen. Connecting to external display displays an image with many missing image squares but also slightly blurred.
I disassembled it, checked the T5750 and 8600M GPU thermal conductor paste (GPU uses an infamous owner-mount system that does not allow replacement with any other board). I was not surprised to notice that the exhaust fan is not spinning. The test on the molex plug with direct adapter on an protected ATX PSU showed me that the fan is faulty. Probably his malfunction has led to overheating of both GPU and CPU.
Because his desire is to bring him back to life, I started with the GPU, the essential piece. And so I did my first reflow

Because the laptop can upgrade to multiple components: cpu, memory, 2xhdd / ssd, I'm interested in a service manual both to identify the features of the parts and their compatibility. As shown in the picture, there are several m.2 ports and I do not know what they can accommodate.
Any other idea would be welcome

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