why is my computer so slow?

best answer
www.hp.com › us-en › shop10 Reasons Why Your Computer is Running Slowly - HP www.hp.com › us-en › shop CachedToo many startup programs. Unless you opt out many programs automatically run when you start your computer. The majority of these programs (with the exception of your security software for example) do not need to open right when your computer finishes booting up - hence the longer startup time. Gaps in time between reboots. Shutting down or rebooting your computer clears out the memory cache which will usually result in a faster more responsive computer. Too many background programs. Programs may be running in the background and using up a significant amount of processing power - without you even realizing it. Hard drive is almost full. You may notice performance issues long before your hard drive is full. Files that are needed for programs to operate are stored on the hard drive so as the storage space on your hard drive fills up it may cause your computer to operate at a slower pace.