please give us the output of -> inxi -bCn and -> /sbin/ifconfig -a
ltq@sid-X121e:~$ inxi -bCn
System: Host: sid-X121e Kernel: 4.5.6-towo.1-siduction-amd64 x86_64 (64 bit)
Desktop: LXQt
Distro: siduction 14.1.0 Indian Summer - kde - (201411230337)
Machine: System: LENOVO (portable) product: 30515YG v: ThinkPad X121e
Mobo: LENOVO model: 30515YG
Bios: LENOVO v: 8RET30WW (1.12 ) date: 09/15/2011
Battery BAT1: charge: 52.6 Wh 97.0% condition: 54.2/62.2 Wh (87%)
CPU: Dual core AMD E-450 APU with Radeon HD Graphics (-MCP-) cache: 1024 KB
clock speeds: max: 1650 MHz 1: 1320 MHz 2: 825 MHz
Graphics: Card: Advanced Micro Devices [AMD/ATI] Wrestler [Radeon HD 6320]
Display Server: X.Org 1.18.3 drivers: (unloaded: fbdev,vesa)
Resolution: 1366x768@60.02hz
GLX Renderer: Gallium 0.4 on AMD PALM (DRM 2.43.0, LLVM 3.8.0)
GLX Version: 3.0 Mesa 11.2.2
Network: Card-1: Realtek RTL8188CE 802.11b/g/n WiFi Adapter driver: rtl8192ce
IF: wlan0 state: up mac: 60:d8:19:c1:f3:23
Card-2: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet driver: atl1c
IF: eth0 state: down mac: 04:7d:7b:08:9b:c3
Drives: HDD Total Size: 320.1GB (56.1% used)
Info: Processes: 170 Uptime: 1 day Memory: 1525.3/3555.1MB
Client: Shell (bash) inxi: 2.3.0
ltq@sid-X121e:~$ /sbin/ifconfig -a
eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 04:7d:7b:08:9b:c3 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1 (Local Loopback)
RX packets 178 bytes 14567 (14.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 178 bytes 14567 (14.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.9 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::62d8:19ff:fec1:f323 prefixlen 64 scopeid 0x20<link>
ether 60:d8:19:c1:f3:23 txqueuelen 1000 (Ethernet)
RX packets 111900 bytes 109223474 (104.1 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 96099 bytes 14889440 (14.1 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0