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‎04-07-2023 03:21 AM

HP Recommended
Product: HP ProBook 6470b Notebook PC (ENERGY STAR)

please i need help, my hp probook 6470b was working fine when i decided to change from windows 8.1 to windows 10. its picks at first, so while waiting to install the drivers on the pc, i realized the computer had a black screen. so i removed the battery and power it on again. from then, only the  black screen and the caps lock key and the scroll key blinks 5 time and the fan will speed up. please i need your support, thanks you.

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