What is the exact model of your Inspiron as 15 is a huge series?

7567

Well if you bought Crucial RAM I would get with them. we know for sure our notebooks run on the timings they are shipped with. We also know that some other timing should work. Perhaps your new RAM Sticks have some errors?

I assumed you already have removed them and reset them just in case they didn't seat well?

No, I didn't try that but both sticks of 8 gigs were showing up in the BIOS, in Speccy and in Task Manager. And putting the original 8 gig stick back in fixes it. I actually bought it at NewEgg so I guess I can call them.

I was reading somewhere else here on the Dell Forums that someone else was having problems with installed ram and they took it to a computer guy. They went on to say that he changed some settings. Of course they never mentioned what settings he changed. 

Any idea what settings they were talking about?

Don't know you could look through your BIOS and see if three are any settings for RAM

Did that .... I saw nothing pertaining to RAM other than showing it's there.

Did a little troubleshooting and I think 1 of the 2 sticks is bad. I placed each one in one at a time and with 1 of them it won't boot up at all. The other seems like it works ok but now my laptop won't re-boot. it boots up ok but if I select restart from the menu it won't do anything. The screen just kinds of flickers till I hold down the power button until it powers off.

I'll mess with it more tomorrow.