Lenovo IdeaPad U310 - Manual (Page 57)

Lenovo IdeaPad U310/U410 U310/U410 Touch
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Figure 5. Removal steps of PCI Express Mini Card for wireless LAN/WAN (continued)
U410/U410 Touch:
Check whether the machine has a standard wireless network card 20002501. If
the answer is “yes”, then apply for a 20002524 wireless network card, and replace
the card for the customer. After the replacement, follow this guide and apply
absorbers and Cu foils to the machine.