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TenSopSaxop
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50687
November 19th, 2015 16:00
Memory Upgrade problem
I recently upgraded my refurbed Dell Pre T3500 with 12 G memory. 3 sticks of 4g. I placed them in dims 1,2,3 and though my computer works ok every time I start it I get, Alert! Non-optimal memory population detected. populate Dimms as specified in the service manual. Strike F1 key to continue. F2 to run the setup utility. Press F5 to run onboard diagnostics. Any ideas what's happening? I ran the diagnostics. When I hit F1 it works good and somewhat normal?
Thanks, Greg
13476
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Posted November 20th, 2015 12:00
So, I am confused. Me too. Is it working now?
Were you installing the modules in physical slots 1,2,3 rather than in three slots with matching retention clip color, eg., every other slot?
13476
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Posted November 20th, 2015 17:00
Are you sure the new RAM is compatible and is working correctly? Are all 3 DIMMS identically matched? How much RAM is Windows seeing?
Possible motherboard problem?
You could try clearing BIOS:
- Open BIOS setup and copy down all current settings
- Power off, unplug
- Press/hold power button for ~15 sec
- Open case and remove motherboard battery
- Press/hold power button for ~30 sec
- Reinstall battery
- Close case and reboot
13476
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Posted November 19th, 2015 17:00
What does the service manual say? Did you read it?
13476
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Posted November 20th, 2015 04:00
12GB kit (4GBx3) Upgrade for a Dell Precision Workstation T3500 System (DDR3 PC3-12800, NON-ECC, )
Sold by: Crucial (Micron CPG)I saw the chart you posted in the service manual and installed this memory in dims 1,2,3.Thanks for your help, Greg13476
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Posted November 20th, 2015 14:00
Yes it is working and showing I have 12G of memory installed but every time I start the computer I get that warning and have to hit F1. For some reason there is a problem. I have the 3 memory cards installed in dims 1,2,3 leaving 4,5,6 empty. Perhap I need to try a different configuration, like putting them in 4,5,6?
Thanks, Greg
13476
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Posted November 22nd, 2015 15:00
I finally found the problem. I did not install the memory in slots 1,2,3. I now have and everything is working great. Thanks for your help folks.
Greg
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Posted November 22nd, 2015 17:00
ieee488
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Posted November 20th, 2015 07:00
So, I am confused.
What changed?