Add RAM, Lose Your Display?



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You also may need to reset the CMOS jumper. It happened to me once when I did the exact same thing. The new stick of RAM was not recognized and I was informed I need to reset the CMOS jumper.



I had the same problem, but the what i did to solve it was swaping the memory banks.  i had two slots, slot one had 256MB DDR2 and slot 2 had nothing.  when i added a 1GB DDR2 stick to the slot 2, the screen went Blank when Booting up.  i Swaped the memory to have in slot 1 (1GB) and slot 2 (256MB).  It seams that you have to put the higher memory Size in Slot 1.  Note: ram added was the same Clock Speed.



I learned a hard lesson with an NVidia 680i motherboard, that cost me several damaged DIMMs or RAM modules. Whenever you change the hardware or RAM, memory configuration, you must clear the CMOS, so the board will see or read the new configuration and then return, reset, your BIOS settings. If you don't do this the board will use your previous configuration and cause all kinds of problems or RAM damage. Also most NVidia motherboards have a digital display on the board and reading the code will tell you where your systems is having a fault. Codes should be in the owner's manual.


XFX NVidia 780i motherboard, 2 GeForce 8800GTS SLI, 4x1 Gig. Kingston PC2 8500 RAM, Antec 850 True Power Quattro PSU, Seagate 500 Gig. SATA HD.

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