Question about Dell Optiplex 755 Desktop Desktop Computer

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Unsupported memory configuration.please populate dimm1

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Open it up ..and see what is wrong with the first slot of ram memory ...if the inserted module is not working ...than remove it ..(to check if it works just leave it by itself and try to start the computer ..) anyway ..if there isn't any module in the first slot ..than move one from the last slot ..I mean mount the modules in slots from number 1 to ...as many you have available ...After finish ...restart ..press delete button right the way to go to bios settings ...and in here ..look for optimal factory default settings ..and engage them by selecting with arrows..and enter..and confirm with enter (Y)
to save settings before exit ..press F 10 ..and enter ..
This will assure the ram configuration ...in the correct way ..
Please read careful ..and ask if you do not understand something ...and also ..please rate my answer..cause it helps with my rating and activity on the site..

Posted on Feb 14, 2011

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Use the first slot/port for RAM, if you have two RAMs use 3rd for the second RAM, DIMM stands for Dual Inline Memnory Module, and DIMM1 is the first slot, your error mesage is saying to use the 1st slot for the memory, there are usually 4 slots, 1st and 3rd is DIMM1

Posted on Jun 02, 2014

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Posted on Jan 02, 2017

DKC011

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SOURCE: when start my pc it

Hi, You can try power drain first. Power off system , disconnect power and press and hold power button to discharge stored power, then remove memory module 1, then reseat it by inserting it with the levers extended to the sides and press down with thumbs until the levers snap in place vertically on their own. if no change, replace module. \quote While reseating the Memory Module please Handle with care. Quote/

Posted on Dec 29, 2010

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1 Answer

Alert ! unsupported memory configuration please p;pulate DIMM1


If the computer was working well and this error popped up, then the most likely issue is a bad memory module, most likely in the DIMM1 slot. If this occurred as a result of a new build or an upgrade, then there are other possibilities. Mainboards are particular in many cases where memory modules can be installed and in what groupings/types/speeds can be mixed and matched. The problem could be as simple as removing and re-seating the memory module in the DIMM1 slot (the slots are usually marked on the mainboard). If there are multiple memory cards installed, try rearranging them, or even removing all but one at a time to try to determine if there are any bad ones. If you are using one at a time, they usually have to be installed in the DIMM1 slot (but not all mainboards require this). After you determine if there is bad memory and which one is bad, you can either replace the bad module, or operate the unit with the remaining good modules, although performance may suffer slightly. The last possibility, and the worst one, is that the the DIMM1 slot on the mainboard is bad. If that is the case, and if you cannot operate without a DIMM in slot 1, you will need a new mainboard or new PC.

Apr 20, 2016 | Computers & Internet

1 Answer

Alert! unsupported memory configuration. Please populate DIMM1


There should be 4 DIMM slots - two with white tabs and two with black tabs. DIMM 1 should be the white tabbed slot closest to the processor. Slots 1 and 3 (both white tabbed slots) should have RAM installed first, then slots 3 and 4 for additional RAM. If Slot 1 already has RAM in it, pull it out and push it back in to reseat it. If that doesn't work, replace the RAM in Slot 1.

Apr 18, 2014 | Dell OptiPlex 780 PC Desktop

1 Answer

Alert ! unsupported memory configuration please p;pulate DIMM1


System will not boot without RAM in Memory slot 1
http://support.dell.com/support/edocs/systems/op755/en/UG/HTML/memory.htm
If you have memory in that slot, then remove and re-seat it per the instructions in that link

Jul 16, 2011 | Dell Optiplex 755 Desktop Desktop Computer...

1 Answer

Alert ! unsupported memory configuration please p;pulate DIMM1


in computers there are many kind of rams a big problems of ram which users are always face is buss speed different. we cant run all type of bus speeds of ram on our computer please replace your ram with the higer bus speed and run it.


and pull out your one ram from your ram bank. i mean to say decrease your ram speed.

Jul 16, 2011 | Dell Optiplex 755 Desktop Desktop Computer...

1 Answer

At starting windows Alert ! unsupported memory configuration please p;pulate DIMM1 (desktop dell optiplex gx 755)


it means the dimm or ram which you plug in your computer is low buss speed so please pull out your ram for pull it out follow these instructions.
first of all open your computers shutter
now you will see the white black or brown long slods on *********** bord
on that slod you will see that the ram or dimm is pluged pull it out open it clips it will out automatically and replace it with the new one of higer buss speed. then start your computer . you will run your computer smoothly thanks

Jul 16, 2011 | Computers & Internet

1 Answer

Alert ! Unsupported memory configuration. please populate DIMM1 strike the f1 key to continue, f2 to run the setup utility press f5 to run onboard diagnostics


it maybe because u r using more capacity of ram then it support .use less capacity of ram like 512mb, or 1gb. and check it . if it wont work then try it with other dimm slot on your motherboard.

Feb 19, 2011 | Computers & Internet

1 Answer

When start my pc it gives message Alert Unsupported memory configuration please populate DIMM1


Hi, You can try power drain first. Power off system , disconnect power and press and hold power button to discharge stored power, then remove memory module 1, then reseat it by inserting it with the levers extended to the sides and press down with thumbs until the levers snap in place vertically on their own. if no change, replace module. \quote While reseating the Memory Module please Handle with care. Quote/

Dec 29, 2010 | Dell Optiplex 755 Desktop Desktop Computer...

1 Answer

I am having Intel Board SE7501BR2, i wanted to know how much RAM does it support and of what speed, because currently it is having 512 mb ram with speed of DDR$266 mhz.


This motherboard can support up to 2Gb of DDR266 RAM modules.

Attached is part of the memory detail from the manual.

If you need a copy of the manual. please click on this link to download :-

ftp://serwery.optimus.pl/Servers/Motherboards/SE7501BR2/Dokumenty/se7501br2tps.pdf



3.1.2.2 Memory Configuration

Memory interface between the MCH and DIMMs is 144 bits wide. This requires that two DIMMs

be populated per bank in order for the system to operate. At least one bank has to be populated

in order for the system to boot. If additional banks have less than two DIMMs, the memory for

that bank(s) will not be available to the system.

There are two banks of DIMMs, labeled Bank1 and Bank2. Bank1 contains DIMM locations

DIMM1A and DIMM1B and Bank2 contains DIMM2A and DIMM2B. DIMM socket identifiers are

marked with silk screen next to each DIMM socket on the baseboard. The sockets associated

with any given bank are located next to each other.

The baseboard's signal integrity is optimized when memory banks are populated in order.

Therefore, DIMM Bank1 must be populated before Bank2.

DIMM and memory configurations must adhere to the following:

• DDR266 DDR registered DIMM modules

• DIMM organization: x72 ECC

• Pin count: 184

• DIMM capacity: 128 MB, 256 MB, 512 MB, 1 GB, 2 GB

• Serial PD: JEDEC Rev 2.0

• Voltage options: 2.5 V (VDD/VDDQ)

• Interface: SSTL2

• Two DIMMs must be populated in a bank for a 144-bit wide memory data path

• One or two memory banks may be populated

Table 2. Memory Bank Labels

Memory DIMM Bank Row

J8D22 (DIMM 1A), J8D15 (DIMM 1B) 1 0, 1

J8D7 (DIMM 2A), J8D1 (DIMM 2B) 2 2, 3

Note: Memory must be installed in pairs; DIMM Bank1 must be populated before DIMM Bank2.

Memory within a DIMM bank must be identical; between banks only the DIMM size may be

different.

Functional Architecture Intel® Server Board SE7501BR2 Technical Product Specification

26 Revision 1.2

Intel Order Number C13977-003

Figure 3. Memory Bank Label Definition

Sep 25, 2010 | Intel Server Board SE7501BR2 Motherboard

1 Answer

Extra memory


My manual for P4P800-VM says :-
Mode Dimm A1 DimmA2 DIMM b1 dIMM b2
single ch 1 populated
2 populated
3 populated
4 populated
---------------------------------------- ----------------------------------
Dual ch 1 populated populated
2 populated populated
3 populated popuated populated populated
for dual channel 3 configuration you may
install identical dimms in all four sockets or
identical in A1 and B1 [blue ]
and identical in dimm A2 and dimm B2 [black sockets ].
Probably same as yours
Good luck
64bvt

Jun 18, 2008 | ASUS P4P800-MX Motherboard

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