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Dimension 2400 pc beeps when turned on

\015 I recently upgraded my dimension 2400 with a 500gb hard drive and 2gb of RAM (PC2700). when I turned on the PC so I can load up the new Windows XP software, I got a series of 6 beeps. 1 beep, 3 beeps, then 2 more beeps. behind the tower, I noticed 4 lights labeled A,B,C, and D. A and C is color green and B and D is yellow/amber. please help, thanx.\015

Answers :

It is due to the

Memory modules are detected, but a memory configuration or compatibility error exists.

solution :
  • Ensure that no special memory module/memory connector placement requirements exist.
  • \015\012
  • Verify that the memory modules that you are installing are compatible with your computer.
  • \015\012
  • try to remove the RAM and re insert again ..

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