BSOD on a laptop under Windows 7 pro

I'm having every 15/20mn a BSOD with "driver_power_state_failure" in my windows 7 professional on my Dell Vostro 3750... I didn't installed any material even made an update for several weeks... I don't know how to manage this problem. Should you help please?

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Thanks

Solution

Probably overheating or hard disk failure. Did you clean the laptop.