when i want to start the laptop, i must typing randomly to get in the windows (os),if i not doing that,the windows cannot get in, & the keyboard not function, so what is this problem & how can i fix it? TQ. (the laptop model is ACER Travelmate 4152LCi)
You must have a Copy of the windows which you are using , Go to Start --> run and write command You'll have a black screen , Put that copy in the Disk Dirver and write in the black screen sfc / scannow