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Оригинальный сообщение: jayeff ,

Текст:

Hi,

Here is a link to the service manual for your laptop.

https://download.lenovo.com/consumer/mobiles_pub/lenovo_s21e_20_hmm_201502.pdf

It shows how to dis-assemble the laptop.

On p.60 it shows an expanded view of all the components. After that it details the part numbers for all the parts. You are correct in that the RAM and HDD are mounted on the systemboard. To upgrade you need to replace the entire systemboard. This is evident by the fact that the various systemboard RAM and HDD variations have a different part number.

There is only one battery spare part number so I'm assuming that it is suitable for all the various systemboards.

Hopefully this is of some help

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