I opened this Inspiron 11 3000 series to fix the keyboard that was not working. Only half of the keyboard would work. I also replaced the hard drive and memory on this little guy. The upgrade to 8GB did work on this laptop.
Model 3168
SSD I installed was:
https://amzn.to/44r3U9Q
Memory:
https://amzn.to/3JPJRdk
USB Hard Drive SATA Transfer Cable
https://amzn.to/3JMHh7Q