20 Most Recent Lenovo G570 Questions & Answers

this tuttorial can help you https://www.youtube.com/watch?v=vd03fJQYJL0

If you can hear sound when you test it via the control panel, then the sound hardware and drivers are good. Whatever software or application you are using that is ailing to provide sound is probably the culprit.

do you have multiple partitions on your hard drive if so why dont you try to reformat your laptop and just make 2 partitions but you need to back your data 1st as you will loose it

are you pressing the Function key first? the brightness buttons do not work without pressing that first. usually it is in blue close to the ALT.& Win keyYou can also change your brightness from the control panel, click on display then color setting, and you can see the contrast and brightness, as well as gama that does make it brighter or darker as well. Remember to write down the default settings.these will not affect playing movies, the brightness adjustment for that are different controls, they can be access by the right click on the mouse during playbackTony Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/tony_a41fa0b801734e2f

Check BIOS settings. Press F2 at start up.

you laptop bios update is download from internet/online update. then go the motherboard driver update software

Try factory setting 1234 it worked for us

Create other accounts with administrator's privileges. Open the configuration panel. Look for the icons called Users, or Accounts.