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HP Recommended
HP Z Book 17 G3 Mobile workstation
Microsoft Windows 10 (64-bit)

The computer when left idle for a while went into what appeared to be sleep mode and failed to wake up when I attempted to resume work. I tried the ON button or the return key. This started suddenly.

The operating system is Windows 10 PRO (64 bit). The computer is three years old and was on warranty until last month. When purchased it came with Windows 7 installed with provision for upgrading to Windows 10. Changed over to Windows 10.

 

As I cannot boot up, I cannot use any diagnostic tests on line. Can you suggest what steps should I take to get it working again.

Thank you

KN

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