Optiplex 7010 memory / internal graphics problem

Question

Hello, I have a Dell Optiplex 7010 with strange behaviour: System Setup: BIOS Version A08, 4x 4GB = 16GB total RAM, internal Graphics, i5-3470 Because it was a used computer with old A08 BIOS and unknown BIOS password set, I cleared the password and reset the NVRAM as described in DELL manual (Jumper moved from PASS_WD to RTC_CLR, powered, ...) After that, the internal graphic doesn't work anymore. When I install a Graphics Card in PCIe socket, graphics is fine, there are no issues. In addition, only 8GB RAM are recognized, though 4 modules are populated; DIMM3 & DIMM4 are reported empty. When I remove RAM from DIMM1 and DIMM2, the system reports DIMM1 & DIMM2 empty (which is correct) but now, DIMM3 and DIMM4 are recognized as 8GB RAM. I'm sure that no RAM modules are defective. CMOS Lithium Battery is also new. Flashing to newest BIOS version A29, downgrading to A05 and upgrading to A29 again, etc. doesn't fix this behaviour. Any ideas? Thank you & best regards, Ralf

Mary G · Answer

Check your manual for the correct placement of ram and make sure all the ram matches. Normally slot 1 must be used first and sometimes matching slots are not adjacent. You don't say which model you have-- Choose your manual-

https://www.dell.com/support/home/us/en/19/product-support/product/optiplex-7010/manuals

From the manual for the mini tower which I think is your model--

Memory Module Guidelines
To ensure optimal performance of your computer, observe the following general guidelines when configuring your
system memory:
• Memory modules of different sizes can be mixed (for example, 2 GB and 4 GB). But, all populated channels must
have identical configurations.
• Memory modules must be installed beginning with the first socket.

For the video-

Check the bios for video settings to see whether the integrated or discrete video is selected. Check all the bios settings.

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Optiplex 7010 memory / internal graphics problem

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