[SOLVED] is my ram dead?

Dec 13, 2020
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Sorry I'm new to this.
I bought a ddr4 16gb(x2 8gb) ram 3200mhz I install it on my computer and it works normal until I tried to enable the xmp which has 3200mhz, I mistakenly changed the speed to 2666mhz while the profile indicated 3200mhz. Since then after booting it shut down and didn't boot again.

My explanation might be bad but pls bear with it since I'm not really good at English
 
Solution
if it works with the old ram then go in the bios and change it to XMP shut down and put new ram 3200 back and it should be good.