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‎06-06-2025 07:32 AM

HP Recommended
Product: HP ProBook 445 G7 Notebook PC
Operating System: Microsoft Windows 10 (64-bit)

Hi all,

I inserted a SATA-M.2-Key into my ProBook 445 G7. As a result, my Laptop does not boot anymore. Symptoms are :


As soon as a power source is connected (no matter if battery or charger) the fan starts spinning at full speed for about 15 seconds, the LEDs of Power button, F5 and F11 keys are glowing. Screen stays completely black (no backlight). Then all is silent again for three seconds, and the whole thing starts from the beginning. This goes on until I remove battery (charger disconnected, of course).

 

What I tried:
-Disconnecting SSDs, RAM, charger and battery for more than 24 hours
-pressing power button for two minutes

No change 😞

 

Any ideas?

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