Please Enter Here And Help My

Hi Every Body I need Help , a im install El Capitan 10.11.4 on My Laptop
MY Laptop :
Name : Acer V5-561g ..

Graphic Card : Amd R7 M265 2Gb..

Cpu : i7 4500u (Graphic 4400)..

Sound Card : Realtek High Definition Audio (ALC 3225)..

NetWork Adapter :
1-Broadcom NetLink (TM) Gigabit Ethernet..
2-Qualcomm Atheros AR5BWB222 Wireless Network Adapter ..
3- Realtek RTL8192CU Wireless LAN 802.11n USB 2.0 Network Adapter ..

I USE Dell 2015H Monitors Full HD I see a Desktop very small .....

Please Enter Here And Help My