Defragment drive 5. Run virus checker Solution C 1. Solution B All of the above solutions may require special software and if you don't have it. It's back to place of purchase or to a service center. It's not a good idea to open laptops and try to repair them yourself.
Laptops have many difficult issues under the lid in most cases.
As you can see from this outline, any solution takes several hours of technical work and might be expensive unless you can do the work yourself. Run ScanDisk often. Defragment the drive occasionally. Delete unneeded files as necessary to keep 5 to 10 percent free space on the hard drive. Run a virus checker, more than one type if possible.