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2 REPLIES 2
12-02-2022 08:06 AM
Welcome to the HP Support Community.
I'd like to help!
Try the following below:
Please disconnect all the devices and cables connected to your computer including the power cable and then press and hold the power button for about 20 seconds and connect the power cable back again and try to power on the computer.
Press windows key and then followed by the key "B" this time and then the power button for around 3-4 seconds, then release the power button and continue to hold windows+B for 3-4 seconds more.
Press windows key and then followed by the key "V" and then the power button for around 3-4 seconds, then release the power button and continue to hold windows+V for 3-4 seconds, you may not receive a response from the computer, Please let me know what happens.
If the issue still persists, This might require one on one interaction to fix the issue.
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I am an HP Employee
12-05-2022 02:08 AM - edited 12-05-2022 02:09 AM
2 device with model HP Probook 430 G8, having same problem, Caps Lock LED and Num Lock LED blink 5 times with blank screen. after 10 second device rebooted and repeat continuously.
Already doing your solutions with no result.
do you have any solution for this problem ?
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