Can't log into computer with new memory

First off, my computer specs:

Motherboard: Nvidia Nforce XFX 680i LT SLI
CPU: Intel Core 2 Quad Q6600 NOT OVERCLOCKED
Video Card: MSI 8800 GTS 512MB (G92) Factory OC
OS: Windows XP Media Center Edition 2005
Power Supply: Ultra XPro 800 Watt SLI-Ready
Hard Drive: Seagate 250 Gigs
RAM: 2 gigs Corsair XMS2 DDR2 @ 800 MHz

Here's the thing. I just bought the 2 sticks of Corsair CM2X1024-6400 RAM about 2 days ago. They're 800 MHz and DDR2. One of the sticks is faulty (I'm guessing) and won't let the computer screen show up. The computer turns on, but nothing shows up.

The other RAM stick works and I can get into BIOS and all that. After the Windows XP loading screen it shows the
"Windows is starting up..." screen. It never gets past there. I've let the computer sit for hours and it never gets past that screen. I can move the mouse around but nothing happens. I should see the screen with the user accounts on it right after that screen.

Please help, thank you.
3 answers Last reply
More about computer memory
  1. It may not actually be the ram's fault. 650i and 680i chipset motherboards have many problems with ram. A simple google search shows it.
  2. May need to bump the RAM voltage a bit in the bios
  3. Bump voltage and make sure its on the QVL for compatibility. If its not you may need new ram.
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