sean5302 Posted July 15, 2014 Share Posted July 15, 2014 I returned via RMA a stick of Corsair XMS3 RMA#6485897 It was a stick of CMX4GX3M1A1333C9 The fault was that it would give the blue screen of death every hour or sometimes shorter time. It used to work fine between crashes. The new RAM stick has just arrived and that causes the computer to run its fan but not POST. The pc starts without pressing the power button and just gives a black screen on the monitor. I tried it singly and also with the other sticks. The PC is a Dell Optiplex 780 DT and Dell say it will accept either 1066 or 1333 MHz sticks up to 16GB (4x4GB). There is no means in the BIOS of changing the RAM speed. Is my new stick faulty? Link to comment Share on other sites More sharing options...
jameyscott Posted July 16, 2014 Share Posted July 16, 2014 Are you sure it is the RAM? Do you have any other RAM to test with? It's sounding like either the motherboard or the CPU is failing or has failed to me. I had a similar issue where both the CPU and them motherboard died when I experience similar issues. Link to comment Share on other sites More sharing options...
sean5302 Posted July 16, 2014 Author Share Posted July 16, 2014 There are 4 sticks of RAM. 3 work perfectly and 1 was giving blue screen of death, either on its own or when installed with the others. I returned it to Corsair via RMA. The new replacement, either installed alone or with the others, won't POST. The computer runs its fans but the monitor remains black. No need to press the power button. The pc just starts up. I've tried putting this new stick in each of the 4 dimm slots, always getting the same result. Is RAM just plug and play, or should I be doing something else? Link to comment Share on other sites More sharing options...
Nichrome Posted July 17, 2014 Share Posted July 17, 2014 It is plug and play, but apparently you're currently mixing ram which shouldn't happen. Contact Corsair and ask them to replace ALL the matched 4 sticks of RAM. Link to comment Share on other sites More sharing options...
pegotico Posted July 17, 2014 Share Posted July 17, 2014 It is plug and play, but apparently you're currently mixing ram which shouldn't happen. Contact Corsair and ask them to replace ALL the matched 4 sticks of RAM. if you look at the part no. CMX4GX3M1A1333C9 it seems he bought them as single sticks not matched as a kit. Link to comment Share on other sites More sharing options...
sean5302 Posted July 17, 2014 Author Share Posted July 17, 2014 I now have my answer from Corsair Technical. The CMX4GX3M1A1333C9 DIMMS may contain high density or low density chips. The part number is the same whatever they contain as the memory availability is volatile. My PC supports 2Gb chips of which there are 16 in a 4GB Dimm. The high density Dimm contains 8 chips of 4Gb which are not recognised in most computers. The problem is that Corsair can't guarantee which Dimms are currently being manufactured at the factory in Taiwan. They'll do a RMA return for me but I may just receive another high density Dimm which will be no good. It seems crackers. I will never buy Corsair again. Link to comment Share on other sites More sharing options...
emissary42 Posted July 31, 2014 Share Posted July 31, 2014 They told me the chip market is dynamic and they didn't know whether the factory was using high or low density chips. What is crackers is that they use the same part number for both types. And that is true for all other manufacturers as well. The part numbers do not reflect what type of IC is used. However unless their competitors Corsair uses a transparent Version system, that shows the type of IC used. See: http://forum.corsair.com/forums/showthread.php?t=68811 They said I would get low density, dual rank if I returned the module with another, perfectly OK 4GB module and they send me 2 x 4GB dual rank replacements. They arrived today. Exactly the same single rank modules as before. Please consider that Corsair doesn't have to consider your special wishes for a replacement, but they tried to do it anyways. Clearly something went wrong. Why not try to get that figured out, instead of badmouthing the manufacturer that was trying to solve your issue? -jm2ec- Link to comment Share on other sites More sharing options...
sean5302 Posted July 31, 2014 Author Share Posted July 31, 2014 Because: 1. The first XMS3 went faulty only months after purchase 2. They promised me a direct replacement, which then turned out to have single rank chips 3. On raising another ticket, I was promised dual rank DIMMs if I returned not only the new replacement but also had to return a perfectly good DIMM to make up a 8GB pair. 4. The new pair is single rank despite being promised it would be dual. 5. The customer service people don't have a clue what the factory is installing in their DIMMs. Understand my reasoning now? Corsair are rubbish and I won't be buying again. Thank you for the table you linked to. They have sent me version 7.21 I can't see in that table any item comprising 4GB that doesn't now have single rank chips. Can you? All seem to be 8 x 512Mb Wouldn't you expect Corsair to know this? When did the spec change? My last 4GB XMS3 worked just fine so must have been 16 x 256Mb Link to comment Share on other sites More sharing options...
sean5302 Posted July 31, 2014 Author Share Posted July 31, 2014 I can see that they have sent me: CMX8GX3M2A1333C9 rather than the specified M2B I presume that M2A is single rank and M2B is dual rank. This is what is specified on the Corsair configurator. Once again, I'd say that Corsair are useless. If I ordered a Ford Mondeo would they send me a Fiesta? Dreadful company. Link to comment Share on other sites More sharing options...
Nicknas Posted July 31, 2014 Share Posted July 31, 2014 I can see that they have sent me: CMX8GX3M2A1333C9 rather than the specified M2B I presume that M2A is single rank and M2B is dual rank. This is what is specified on the Corsair configurator. Once again, I'd say that Corsair are useless. If I ordered a Ford Mondeo would they send me a Fiesta? Dreadful company. Just some friendly advice. If you emailed them as mush as you post here you may get it figured out and save yourself the wasted time energy and expense of a case that you will never see in a court. I am eating over $600 worth of ram that I thought would work in my new build. Is it their fault? No, they never said the ram I bought for a triple channel set-up would work in my future dual channel one. It was my mistake ...BUT there are people working with me FOR FREE to try and find suitable timings for them to work. If not OH WELL I will buy my NEW Ram from THEM. Its called life. I promise that in the agreement that you clicked before you did business with this great company has terms and conditions that will instantly render your case moot. It is an industry standard. So you can scream at the wind and try to bash them here ( won't work ) OR you can simply talk to someone and accept the outcome. Link to comment Share on other sites More sharing options...
sean5302 Posted July 31, 2014 Author Share Posted July 31, 2014 The RAM I bought went faulty soon after purchase. Corsair "Service" said they'd replace it. That RMA replacement didn't work and I had to learn from "Technical" what the reason was. After returning that replacement they guaranteed to send the right item. They haven't. It may be that someone picked the wrong item in Taiwan. Who knows? What may or may not be an industry standard certainly doesn't apply in the Small Claims Court. The EU "Europe Direct" office has just emailed me the Claims Pack. Consumer Law is very clear in the UK and the EU. I note that Corsair's address isn't as shown on the RMA form. The Court people gave me that. Why would Corsair want to hide its real address? Link to comment Share on other sites More sharing options...
Administrators Technobeard Posted July 31, 2014 Administrators Share Posted July 31, 2014 Sean - respond back to your ticket and they'll take care of you. Also, I've removed that address from your post. It's an old address that we're not located at anymore, and also we don't want addresses posted because people will send in items without creating support tickets, which causes a lot of issues. Nick - Create a support ticket. Link to comment Share on other sites More sharing options...
sean5302 Posted August 5, 2014 Author Share Posted August 5, 2014 I've been struggling with getting replacement RAM, as my previous posts will detail. Today, Corsair have sent replacement CMX8GX3M2B1333C9. This is 2 x 4GB sticks of XMS3 which the technical team said would be Dual Rank modules. They aren't. What has arrived is Version 2.13 and I can see the chips arranged on only one side of each Dimm. Where can I go from here, please? To quantify, I had 4 x 4GB sticks of XMS3 all working fine. 1 stick went faulty and I returned it to Corsair. The replacement wouldn't work, being single-rank, high-density. Corsair said I'd have to return it, along with another perfectly OK stick and they'd supply a 2 x 4GB pack. Somebody sent the wrong item and I returned it and now the replacement is also Single Rank. I have tried this replacement in each of 2 PCs, both Dell Optiplex 780DT, which Dell says will accommodate 16GB fine, as long as they are Dual Rank chips in the Dimms. Link to comment Share on other sites More sharing options...
Administrators Technobeard Posted August 5, 2014 Administrators Share Posted August 5, 2014 Respond back to your ticket please. Link to comment Share on other sites More sharing options...
sean5302 Posted August 5, 2014 Author Share Posted August 5, 2014 I have. The ticket number is now 6496115 Can anyone assist me here, please? If I use the Online Chat facility, I get a sales woman. Although nice and pleasant, they are not technical. When I respond to the ticket I am promised that the correct replacements will be sent, but so far, no good. Link to comment Share on other sites More sharing options...
Corsair Employees Corsair Black Pearl Posted August 5, 2014 Corsair Employees Share Posted August 5, 2014 Sean, A new ticket was created for you 6501594 on Aug 1st, please follow the instructiosn there to get the memory kit replace with the correct version. We requested an UPS call-tag to cover the return shipping for you as well. Please comment to the ticket if you have any questions. Thank you and sorry for the inconvenience. Link to comment Share on other sites More sharing options...
sean5302 Posted August 5, 2014 Author Share Posted August 5, 2014 It's as a result of that last ticket 6501594 that I'm now writing here again. The replacement CMX8GX3M2B1333C9 arrived this morning. Despite being told by Corsair Technical that it would be Dual Rank, it isn't. It's single. I can see the chips on 1 side of the Dimm and it doesn't work in either Dell optiplex 780. I wonder whether Corsair can supply any Dual Rank 4GB memory? Link to comment Share on other sites More sharing options...
sean5302 Posted August 20, 2014 Author Share Posted August 20, 2014 I've been trying to edit my posts, unsuccessfully. I have now received the resolution to my problem. It's not what I hoped for, or expected, but at least I have some decent memory. It turns out that Corsair couldn't supply the dual rank dimms I need for my Optiplex 780s, even though that is what I originally bought. The 1Gb IC chips don't seem to be available any more. A technician called ChY TS has sent me 4 Dimms from his own personal collection. That really is outstanding service and I'd like to delete my defamatory posts about Corsair. Mods, can you assist, please? Link to comment Share on other sites More sharing options...
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