Lenovo g570 laptop not turning on

sarath namburi

Estimable
Nov 27, 2014
1
0
4,510
On click of power button the fan spins for 5 seconds and then turns quiet and hard disk LED flashes continously but nothing happens.
 

accyln

Estimable
Jul 24, 2015
1
0
4,510
i have same problem,
when i enter boot menu and change graphics option "Switchable" to "UMA" , problem is solving but amd graphics card not working.
is there hardware problem do you think? or amd driver problem?