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07-11-2019 08:47 AM
Hey There! @Vincent13asdf,
Three blinks on the caps lock indicate memory module failure or the memory slot could have failed on the PC.
Try reseating the memory on the PC and try with a single memory on each slot and check the faulty memory.
Also, refer this article to know more information about blinking lights on your PC. Click Here
If the issue still persists after trying out the steps. It is a hardware issue with the PC.
Please contact HP support for service options. Click Here
Hope this answers your query!
Have a wonderful day ahead! 🙂
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A4Apollo
I am an HP Employee