Dell laptop freezes daily, occasionally blue screen appears

My laptop had gotten a virus a couple months back, and had to put a new hard drive in. My computer worked fine for a while, but for the last month, it will run fine, then all the sudden it freezes, and I have to shut it down and restart it. Any suggestions would be helpful! I do not know alot about computers, so please be detailed. Thanks alot!
 
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How to find and post your Minidump Files:

My Computer > C Drive > Windows Folder > Minidump Folder > Minidump Files.

It is these files that we need (not the folder). Attach to your next post the five most recent dumps. Notice the Manage Attachments button at the bottom when you go to post the next time. You can Zip up to five files per Zip; if you only have one or two you don’t need to zip them, just attach as is. Please do us a favor and don’t Zip each one individually.
 
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