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Sony Vaio Z40UL MB Faulty onboard RAM

Troubleshooting Laptops & Notebooks - Badcaps Forums - www.badcaps.net
Hello to all.

I have a Z40UL mobo (MBX-278) with faulty onboard RAM (4Gb)

I can't find the schematic to see if it's possible to disable onboard ram.

What happens if I just remove all the onboard ram chips and install a memory module on the empty slot?.

Machine boots fine but gives blue screens.

Memtest86 confirmed the faulty ram

Any advise would be great


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