Question No display after upgrading ram

[Durty Danza]

I bought new ram and when installed it doesn't show my display. I'm going from ddr4 16gb 2666mhz to 16-18-18-38 1.2v to ddr4 32gb 3600mhz 18-22-22-42 1.35v. computer boots up but no display. I've tried changing bios to xmp doesn't work, tried setting it manually to 3600 doesn't work, tried setting it to auto doesn't work, and I've taken out the cmos battery that does not work. I can get it to display with my old ram only after reinstall it and take out the cmos battery. I have a i7 8700k processor and a asus rog strix z370-e mobo. everything I've seen says that it should be compatible, is there something I'm missing or overlooking? Any help would be greatly appreciated

 

[Aeacus]

is there something I'm missing or overlooking?

When you bought your new RAM, did you look it up from your MoBo memory QVL beforehand? Or did you just buy whatever catched your eye?

ddr4 32gb 3600mhz 18-22-22-42 1.35v

Did you buy two individual DIMMs? Or did the RAM come in one sealed package as a kit/set?

I can get it to display with my old ram only after reinstall it and take out the cmos battery.

When old RAM works but new RAM doesn't then there's some issue with new RAM.

It take that your new RAM is at least 2x DIMMs? If so, try running one DIMM at a time. Could be that one of the DIMMs is bad. It is rare that both are bad at the same time.

I've tried changing bios to xmp doesn't work, tried setting it manually to 3600 doesn't work

XMP is not a guarantee, especially when you buy a RAM that isn't listed in memory QVL.
JEDEC speeds, however, must work. For your MoBo, those are: 2133/2400/2666 MT/s. Anything faster isn't a guarantee, but instead considered as RAM OC.

So, in BIOS, 1st try to get single new DIMM working at 2133 or 2400 or 2666. If it works, great. If not, DIMM is most likely a dud. So, try with 2nd DIMM. If both doesn't work even at JEDEC speeds, then return the RAM.

Here's also further reading about RAM and it's issues: https://forums.tomshardware.com/faq...y-ram-and-xmp-profile-configurations.3398926/

 

[Durty Danza]

When you bought your new RAM, did you look it up from your MoBo memory QVL beforehand? Or did you just buy whatever catched your eye?


Did you buy two individual DIMMs? Or did the RAM come in one sealed package as a kit/set?


When old RAM works but new RAM doesn't then there's some issue with new RAM.

It take that your new RAM is at least 2x DIMMs? If so, try running one DIMM at a time. Could be that one of the DIMMs is bad. It is rare that both are bad at the same time.


XMP is not a guarantee, especially when you buy a RAM that isn't listed in memory QVL.
JEDEC speeds, however, must work. For your MoBo, those are: 2133/2400/2666 MT/s. Anything faster isn't a guarantee, but instead considered as RAM OC.

So, in BIOS, 1st try to get single new DIMM working at 2133 or 2400 or 2666. If it works, great. If not, DIMM is most likely a dud. So, try with 2nd DIMM. If both doesn't work even at JEDEC speeds, then return the RAM.

Here's also further reading about RAM and it's issues: https://forums.tomshardware.com/faq...y-ram-and-xmp-profile-configurations.3398926/

I used the pangoly qvl list for my mobo maybe it could be wrong but according to that site it should work. Both dimms came in a pack two 16gb, haven't tried one at a time I'm going to give that a go. I'll change it back to 2666

 

[bill001g]

Maybe something I do understand. How are you making changes the bios settings with no display output. Or do you mean it does not boot into windows.

I assume ? that your machine has a GPU card. Have you also tried the IGPU ports on the back of the motherboard since your CPU chip support this. If you do not have a actual GPU card the memory is actually even more important because the IGPU reserves part of the main system memory.

If it boots into bios but not windows try to build a USB bootable version of memtest86+. This should at least boot. You can then run it and see what if any memory test failures you are getting. Although the details of which memory test fails does not really matter much it does allow you to try different memory settings. Hand tuning memory is very much trial and error.

 

[Durty Danza]

Maybe something I do understand. How are you making changes the bios settings with no display output. Or do you mean it does not boot into windows.

I assume ? that your machine has a GPU card. Have you also tried the IGPU ports on the back of the motherboard since your CPU chip support this. If you do not have a actual GPU card the memory is actually even more important because the IGPU reserves part of the main system memory.

If it boots into bios but not windows try to build a USB bootable version of memtest86+. This should at least boot. You can then run it and see what if any memory test failures you are getting. Although the details of which memory test fails does not really matter much it does allow you to try different memory settings. Hand tuning memory is very much trial and error.

Figured it out one of them is bad...

 

[Durty Danza]

When you bought your new RAM, did you look it up from your MoBo memory QVL beforehand? Or did you just buy whatever catched your eye?


Did you buy two individual DIMMs? Or did the RAM come in one sealed package as a kit/set?


When old RAM works but new RAM doesn't then there's some issue with new RAM.

It take that your new RAM is at least 2x DIMMs? If so, try running one DIMM at a time. Could be that one of the DIMMs is bad. It is rare that both are bad at the same time.


XMP is not a guarantee, especially when you buy a RAM that isn't listed in memory QVL.
JEDEC speeds, however, must work. For your MoBo, those are: 2133/2400/2666 MT/s. Anything faster isn't a guarantee, but instead considered as RAM OC.

So, in BIOS, 1st try to get single new DIMM working at 2133 or 2400 or 2666. If it works, great. If not, DIMM is most likely a dud. So, try with 2nd DIMM. If both doesn't work even at JEDEC speeds, then return the RAM.

Here's also further reading about RAM and it's issues: https://forums.tomshardware.com/faq...y-ram-and-xmp-profile-configurations.3398926/

Figured it out one of them is bad...

 

[Aeacus]

Figured it out one of them is bad...

Best to RMA the whole kit. Unless you want to run single DIMM.