HP a6452f after 30-45 minutes the computer won't execute any command

My PC boots up fine and I can run all programs, but if i leave it alone for 30-45 minutes then i can't get the computer to respond to any commands. My mouse still works and I can navigate around but not run anything??

Hi,
Please post the HP product number for your PC. How to Find the HP Model Number and the HP Product Number or let HP automatically find your PC model number and HP network attached printers. This will allow others to review your issue, make suggestions and review your responses. This is usually the best way to get assistance.
If you search the Internet you will find numerous posts and suggestions that describe your situation with many, many different suggestions and possible solutions. You will find pages and pages of suggestions that may or may not solve your problem. There isn't any one time cure all suggestion based on your symptom description. You might want to try a few suggestions and see if you get lucky.
You may need to separate the "wheat from the chaff" (hardware issues from software issues) or you might be chasing the issue for many, many hours.
I have seen hardware failures produce similar issues. You might try running diagnostics for 1-2 hours and see if the diagnostics will detect an issue. Even hardware diagnostics are not a cure all solution for possible hardware issues.
If you can roll your PC back to a known good Windows restore point before the issue started then give that a try. Otherwise back up your data to external media and use the external HP recovery media to bring your PC back to a factory day one condition. Then without loading a lot of software add ons, try some multiple browsing for the time period that the issue typically occurs.
Post your results.
HP DV9700, t9300, Nvidia 8600, 4GB, Crucial C300 128GB SSD
HP Photosmart Premium C309G, HP Photosmart 6520
HP Touchpad, HP Chromebook 11
Custom i7-4770k,Z-87, 8GB, Vertex 3 SSD, Samsung EVO SSD, Corsair HX650,GTX 760
Custom i7-4790k,Z-97, 16GB, Vertex 3 SSD, Plextor M.2 SSD, Samsung EVO SSD, Corsair HX650, GTX 660TI
Windows 7/8 UEFI/Legacy mode, MBR/GPT

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HP a6452f after 30-45 minutes the computer won't execute any command

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