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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
Microsoft Windows 10 (64-bit)

"The HP Elitebook 840 operates normally in warmer, dry conditions, but it shuts down automatically during cold or humid weather. The device only powers on again after being exposed to warmth or sunlight."

1 REPLY 1
HP Recommended

This may be caused by poor contact due to moisture or oxidation of the internal metal contacts of the device. My suggestion is to clean the contacts such as the battery interface and memory slots, or have the motherboard inspected and repaired.

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