lenovo flex

My Lenovo Flex 4 1580 VE had screen issue, so it would work normally with an external monitor except the screen. I ordered a replacement from Amazon and before it arrived, I was playing with current screen to see if it starts. With power on and monitor connected, I tightened the display cable...

Hi everyone! I am looking for ram to upgrade my lenovo flex 2 15 which has only 4 gb of ram and it's so so slow. I have found on the forums information about ram upgrade that it can be done. I have free slot avaialable. My current ram is 4 gb ddr3 1600 mhz with dual voltage 1.35 V & 1.5 V...