Try installing more RAM by following the RAM replacement guide.
consider upgrading your hard drive to a larger capacity.
consider deleting any unused programs to free up disk space.
NOTE:BACK UP ANY FILES BEFORE MAKING HARD-DRIVE CHANGES.
Consider buying a new battery and replacing it using the battery replacement guide.
Most AC adapters have a light that turns on to ensure proper functionality. If no light is on, consider purchasing a new laptop charger.
Make sure it is the correct disc. DVD will not work in a CD drive and DVD will not work in a CD drive.
Your CD or DVD is scratched, if it is dirty enough, guaranteed, it is unable to be read by the CD/DVD drive. consider replacing the disk.
If your laptop will not read CDs or DVDs it could be that your optical drive is broken and not working correctly. To install a new optical drive, follow the optimal drive replacement guide.
Check the brightness level on the laptop. This can be a key that is pressed on the keyboard or can be done via the control panel.
there may be a connection problem between your screen and the computer. Please refer to the screen replacement guide.
-Try uninstalling the current keyboard driver and reboot your laptop( the laptop will uninstall automatically):
•On the Start screen type “Device Manager.
•Select Device Manager from search returns.
•Select Keyboards and right-click on laptop keyboard. Select Uninstall.
•After the driver uninstalls, reboot your computer.
-Try performing a system restore to a date before the issue occurred.
