Click Start>Control Panel>System.
You should have system properties window on the screen.
Click on the Hardware Tab. Then click on device manager.
The list is bits and bobs on your laptop.
Any thing in the list with an explanation mark in a yellow triangle has a dispute. I.E. driver missing/corrupted.
Right click on these and try 'update driver' in the pop up menu. If your online, make sure your protected, then you might be able to get all the drivers you need.