What does it means when my computer beeps 6 times, the monitor is black all the time, nothing hapens at all. I checked the diagnostic lights on the back of the computer and the colors are: A-green, B-yellow, C-green, D-yellow. I found in the manual that it means that the memory modulses are detected, but a memory configuration or compatibility error exists. I have never changed the memory. Does the 6 beeps mean the same as the lights? Thankful for some help. I think I have to buy new RAM but I am not quite sure that this is the problem. Please, help me. Where at Dell webpage can I find the explanation of the motherboard beeps? I couldn't find anything.
HERE <ADMIN NOTE: Broken link has been removed from this post by Dell> is the advanced troubleshooting section for the 8400. It has the beep codes and the diagnostic lights
First thing to do is "reseat" the memory modules - Reseat, with the PC powered off first ground yourself to a metal part of the PC before touching the memory modules and then only handle them by the edges as they are static sensitive. Remove each memory module then reinstall and make sure it's fully and correctly seated. Try the PC and if there are still problems, try one memory module at a time in case one of them is defective.
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Thanks a lot. I will try to reseat the memory modules tomorrow. Today, before I read your reply I took out one module and tried to run the computer with just one module. It didn't beep but it started to sound like an airplane at take off so I just turned it off. I really don't know why it did so, do you have any idea why? For some month ago I got messages at start up that the batteri is low but these messages stopped to show up. I wonder now if the problem is the battery. If it's empty maybe it can't start the BIOS? Anyway I took it out and will buy a new battery tomorrow, will see if there will be any difference. What do you think? Thanks again.
I know that when my uncle had this same model of computer he had the same problem and he replaced the battery and it fixed it so I would try replacing the battery.
This Worked for Me!: Remove all PCI Graphics Cards& Memory From the computer and then you will see the CMOS Battery.. Push the little lever away from the Little Circular Battery and the pop it out! Wait 5 minutes and then put it back in and it should be working just fine!.. I Only Just Discovered this 5 mins ago!
I Am Pretty Sure that this resets all the BIOS Settings.. But that shouldnt be to hard to fix!
This thread has been locked due to it's age, if you have a similar issue, please use the 'New Post' feature at the top of this page and start a new thread. Bev.
If my answer was helpful, please use the 'Did this answer the question' and click: YesForum Member since 2001I am not employed by Dell