You need to help us first..........
What Ethernet/wireless device(s) are in that laptop??? Use the typed command /sbin/lspci -v
to let us know. Only post the portions about your Ethernet/Network controller(s), you may have two one wired and one wireless.
Example from my laptop;
06:01.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
06:02.0 Network controller: Broadcom Corporation BCM4318 [AirForce One 54g] 802.11g Wireless LAN Controller (rev 02)