my lenovo computer is running slow?

Using a registry cleaner can clean up your computer and then make your computer faster,Why?the reason is that there may be some registry errors and remnant,corrupt files and temp files in your computer to cause "computer slow".
Every time you install and uninstall software on your computer and surfing online you create junk in the computer registry.over time, the registry can grow to enormous proportions, especially if the various programs you've installed do not do a good job of deleting and/or updating it's Registry entries.You need to scan and clean your computer with registry cleaner to make it fast.Good Registry Cleaner will improve your computer and Internet performance dramatically!
There are some comparison and review of TOP 5 registry cleaners.
http://www.make-pc-fast.com/
You can download and scan your computer for free.

Slow Lenovo fix https://goo.gl/Ddg4Dt

uninstall all the random advertisements that lenovo packs into the computer.

That might help.

Lenovo Slow

That's a good question!

Not sure about that

that's so weird, i have been having the exact same problem and done the same things, mines been freezing a lot as well. don't know whats going on.

my laptop runs much faster with a wireless router.mary n.

A computer may be slow due to various reasons. Like virus to HDD space.There is a nice article on slow computer and its solution in the following link. Have a look on that it may help you in resolving your issue.

http://itsupportcell.com/viewtopic.php?f=15&t=38