Question about IBM ThinkPad R40 2722 Notebook

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Blank screen ibm r40e

I went to turn on my r40e ibm laptop and the screen is blank, it does not work there is a beep when i turn it on

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This is generally a memory problem. Remove the memory, and try them one chip at a time in each slot. If the memory isn't the issue, then try removing the battery and starting with the supply only. Both battery and memory can cause this, but the beep code is generally for the memory, no beeps with the battery. If both check good, then test the power supply with an ohm meter for the proper output. If these three check good, then the problem will lie within the motherboard, and you will need to take it in for a professional diagnosis in order to track down the exact problem area. You might also look on IBM's support site for the beep/sound error codes and any troubleshooting for the exact code you have.

Posted on Aug 12, 2008

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