ben.kansas Posted July 27, 2009 Share Posted July 27, 2009 Hi All, I recently purchase a RAM upgrade, TWIN2X4096-8500C5DF, for my M2N-MX SE PLUS mobo. However, after installation the machine will not POST. The the case fan and the CPU Fan power up, as well as the HDD and DVD. Any ideas on how I might rectify this problem? Link to comment Share on other sites More sharing options...
ben.kansas Posted July 28, 2009 Author Share Posted July 28, 2009 I changed the voltage settings in the BIOS for the memory to 2.2v. Now I can get one of the DIMMs to work, however, placing both DIMMs in the slots again results in the POST failure. Any suggestions? Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted July 28, 2009 Corsair Employees Share Posted July 28, 2009 Will either modules post at DDR800 when you install them one at a time? Link to comment Share on other sites More sharing options...
ben.kansas Posted July 29, 2009 Author Share Posted July 29, 2009 Flashed my BIOS to version 6.02--had been running the initial release. The BIOS now automatically detects the settings for the one stick that I have in the machine. I will attempt to place the second stick soon--might be a little bit. Thanks for the suggestion RAM GUY. I think the BIOS upgrade will fix this, but I will keep you up to date. Link to comment Share on other sites More sharing options...
ben.kansas Posted August 3, 2009 Author Share Posted August 3, 2009 Hi All, I got the computer going with the second stick in, but it wasn't as simple as updating the BIOS. After updating the BIOS the addition of the second stick still caused the BIOS to fail to POST. So, after doing some googling I found a solution. In order to get it the comp to recognize the second stick I powered down and disconnected the power cord. Then popped out the CMOS battery, reset the RTC jumper to clear the CMOS. Next, I placed the second stick of memory in the slot. Finally, I reset jumper, replaced the CMOS battery, reconnected the power, and booted up. Et voila! The computer booted and after reconfiguring the BIOS settings I've not had any trouble. Cheers, Ben Link to comment Share on other sites More sharing options...
Hokuto Posted August 3, 2009 Share Posted August 3, 2009 Yes, clearing the CMOS is said to work like magic in a lot of cases, and it's supposed to be the first thing you do whenever changing hardware or BIOS. Glad yours worked out. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 6, 2009 Corsair Employees Share Posted August 6, 2009 Hokuto With 4 modules I would suggest setting the memory frequency at DDR667 and set the memory Voltage to 2.0 Volts and set the NB/MCH/SPP Voltage to +.2 Volts as well and test the system with http://www.memtest.org. In addition, with some MB's (Mostly ASUS) you have to disable legacy USB in the bios when running any memory test. Link to comment Share on other sites More sharing options...
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