Solved: The seller sent the wrong memory, it was advertised as 3200 MHz CL22 (PC-3200AA) but the received product is 3200 MHz CL17 (PC-3200T). So Dell Inspiron 16 7610 does not support 3200 MHz RAM with CL17.
It is being really hard to upgrade the RAM on this laptop from 16 GB (2 x 8 GB) to 32 GB (2 x 16 GB).I really do not know what else to try. First I bought 2 x Corsair Vengeance 16GB DDR4 3200MHz CL22 SO-DIMM modules that were detected as invalid by pre-boot light codes. Then I went for the same manufacturer of the preinstalled modules, Hynix. After studying the specs of the built in modules from the Hynix website and looking around for what is available I found the following match for the  upgrade. The matching upgrade (Hynix HMA82GS6CJR8N-XN): [IMAGE] The pre-installed module (Hynix HMAA1GS6CJR6N-XN): [IMAGE]   This time the computer booted perfectly but to my surprise I found the new modules were runing at only 2400 Mhz instead of the expected 3200 Mhz. And CPU-Z reported the following:   [IMAGE]   The new module runing at 2400 Mhz:Notice the absent JEDEC timing tables. The 2400 MHz speed is also reported in BIOS. SMBus address 0x50Memory type DDR4Module format SO-DIMMModule Manufacturer(ID) SK Hynix (AD00000000000000000000000000)SDRAM Manufacturer (ID) SK Hynix (AD00000000000000000000000000)Size 16384 MBytesMax bandwidth DDR4-3200 (1600 MHz)Part number HMA82GS6CJR8N-XNSerial number 34100252Manufacturing date Week 20/Year 22Nominal Voltage 1.20 VoltsEPP noXMP noAMP noEXPO no JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency JEDEC #1 11.0-13-13-30-39 @ 866 MHzJEDEC #2 12.0-14-14-33-44 @ 966 MHzJEDEC #3 13.0-15-15-36-46 @ 1033 MHzJEDEC #4 14.0-16-16-39-51 @ 1133 MHzJEDEC #5 15.0-17-17-41-54 @ 1200 MHzJEDEC #6 16.0-18-18-44-57 @ 1266 MHzJEDEC #7 17.0-20-20-47-61 @ 1366 MHz The pre-installed module ran at 3200 Mhz:(has the full JEDEC timing table list) SMBus address 0x50Memory type DDR4Module format SO-DIMMModule Manufacturer(ID) SK Hynix (AD00000000000000000000000000)SDRAM Manufacturer (ID) SK Hynix (AD00000000000000000000000000)Size 8192 MBytesMax bandwidth DDR4-3200 (1600 MHz)Part number HMAA1GS6CJR6N-XNSerial number 23E0D2C1Manufacturing date Week 18/Year 21Nominal Voltage 1.20 VoltsEPP noXMP noAMP noEXPO no JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency JEDEC #1 10.0-11-11-24-34 @ 733 MHzJEDEC #2 11.0-11-11-26-37 @ 800 MHzJEDEC #3 12.0-12-12-28-40 @ 866 MHzJEDEC #4 13.0-13-13-30-43 @ 933 MHzJEDEC #5 14.0-15-15-34-48 @ 1033 MHzJEDEC #6 15.0-16-16-36-51 @ 1100 MHzJEDEC #7 16.0-17-17-38-54 @ 1166 MHzJEDEC #8 17.0-17-17-40-57 @ 1233 MHzJEDEC #9 18.0-18-18-42-60 @ 1300 MHzJEDEC #10 19.0-19-19-44-63 @ 1366 MHzJEDEC #11 20.0-21-21-47-68 @ 1466 MHzJEDEC #12 21.0-22-22-50-71 @ 1533 MHzJEDEC #13 22.0-22-22-52-74 @ 1600 MHzJEDEC #14 24.0-22-22-52-74 @ 1600 MHz   At this point I am completely lost I do not know if this is some sort of firmware DRM or a really bad joke.  Any suggestions??
Dell Inspiron 7610: New 3200 MHz RAM modules working at only 2400 MHz