Ram slots not working

deepakmourya413

Prominent
Nov 12, 2017
1
0
510
My mother board in good condition both ram slots working 5 days ago I used 2+2 gb ram , after day I cleaned my motherboard I don't touched my ram slots and I have changed my thermal paste of processor and put in its socket , I use only new ram 4 gb Kingston in slots 2 ,after that day I use my 2 gb ram in slot 1 ddr3 pc didn't boot up black screen coming I used this ram in slot 2 but ram is OK it's mean ram is good what can I do help me should I reset the bios or mu processor socket or any other things depnds on it ram slots look right
 
Solution
Remove CPU and check it and its socket for any dust, dirt, debris, paste etc. Make sure also there is no damage to pins and pads.

Remount CPU carefully and evenly.