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Guidelines
Here is the solution to resolve for 5 Long and 3 Short Blinks on your HP Laptop Click here to view the instructions!
Common problems for Battery
We would like to share some of the most frequently asked questions about: Battery Reports, Hold a charge, Test and Calibrating Battery . Check out this link: Is your notebook plugged in and not charging?
HP Recommended
HP ENVY x360 15.6 inch 2-in-1 Laptop PC 15-es1000 RCTO Base Model

I am having issues booting up my Envy. When I press the power button, the power key lights up, but nothing happens. The only thing that will get it to power on is the Windows Key + “v” combination, which leads to the CMOS 502 error (checksum is invalid). Even after restarting, I still have the same issue. I have tried updating and resetting my laptop and downloading the appropriate BIOS from the hp website, but nothing is helping.

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