x555lb

Hello, I've cracked the display on my laptop Asus X555LB and currently I'm using external VGA monitor. I would like to reinstall Windows, but I cannot enter BIOS since external monitor doesn't work till OS is loaded. I've tried to toggle combination Fn+F8 when I am in BIOS, but external monitor...

I found a laptop with 940m : 1. lenovo u41-70 2. asus A/K/X555LB Those laptop have same spec (i5 5200, geforce 940m). But i'm not sure because : 1. when i buy lenovo, I worried about the battery, because in some review, it has a short battery life. But it has nice performance,and thermal...