Laptop severely slow and lagging

Ansh Gandhi

Reputable
May 7, 2014
1
0
4,510
Windows 8.1 64 bit
6 GB RAM
1TB Hard disk
Laptop freezes frequently and has become very slow. Shortcuts don't appear even after half an hour of booting up. Disk usage remains 100% constantly. Please help. Can't do anything to fix it as system doesn't respond. Please help