Recent content by vijaiyalayan

hi sir, i am using lenovo b490. i upgrade my processor form pentium to i3 processor. lap working perfectly but after 40 min suddenly power off my lap. i checked my heat, and change battery. it was normal. but still not clear this problem. charger also plugged. what can do.. pls help me any...

hi. i am using lenovo b490 lap. yesterday i changed my processor intel Pentium to i3. 250gb hard disk, 2Gb ram.(DDR3). now my lap was suddenly power off in 30min. what can i do. pls help me sir.