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09.25.2008 at 05:44PM PDT, ID: 23764789
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5.7

Changed RAM and now computer will not boot

Asked by quirkette in Computer Memory (RAM), Personal Computers

Tags: , , ,

I am really stumped on this one. I have been pulling apart and rebuilding machines for years and never had this problem.

Here is the scenario:

1. Dell Desktop Dimension 4500 with 256 factory installed RAM (double sided)
2. Purchase 2x 512mb chips from reputable dealer that specifies correct RAM for this machine (single sided)
3. Take out old RAM install new RAM
4. Start it up......
5. Get 3 Beeps
6. LED lights show GYYY
7. HD Spins up
8. Green power light on MB on
9. Fans on PSU and CPU working ok
10. Turn off and take out one memory chip - same results as points 5 - 9 above
11. Turn off and take out other memory chip and replace with original memory - same results as points 5 - 9 above
12. Turn off. Reset CMOS jumper to reset BIOS (move to pins 2/3)
13. Turn on - same results as points 5 - 9 above
14. Turn off. Take battery out for 5 minutes with jumper still in pins 2/3
15. Turn on - same results as points 5 - 9 above
16. Turn off - Still with battery out for 5 minutes with jumper still in pins 1/2
17. Turn on - same results as points 5 - 9 above
18. Perform all of points 12-17 above with battery in
19. Have checked and rechecked all cable seatings even though not been touched.
20. Monitor is recognised at turn on but only as a "handshake"
21. Hard Drive has been taken out and checked on a seperate machine as working.
22. Beep codes and LED lights are standard message indicators for this machine that there is a memory problem.

So in saying all of this has anybody got any suggestions on how to overcome such a frustrating problem where a simple RAM change has turned into a marathon?

Many thanks.Start Free Trial
[+][-]09.25.2008 at 07:11PM PDT, ID: 22575952

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[+][-]09.25.2008 at 07:13PM PDT, ID: 22575974

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[+][-]09.25.2008 at 07:15PM PDT, ID: 22575992

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[+][-]09.25.2008 at 07:31PM PDT, ID: 22576105

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[+][-]09.25.2008 at 07:58PM PDT, ID: 22576244

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[+][-]09.25.2008 at 11:54PM PDT, ID: 22577158

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[+][-]09.26.2008 at 03:29AM PDT, ID: 22578066

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[+][-]09.26.2008 at 05:57AM PDT, ID: 22578943

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[+][-]10.10.2008 at 12:22PM PDT, ID: 22689814

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About this solution

Zones: Computer Memory (RAM), Personal Computers
Tags: Dell, Dimension, 4500, Desktop
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Solution Provided By: jamietoner
Participating Experts: 4
Solution Grade: B
 
 
[+][-]11.02.2008 at 04:41PM PST, ID: 22864022

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