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Not Detecting Both 256 Memory Cards In Dell Laptop


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#1 nathanr525

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Posted 18 September 2007 - 08:07 AM

I have a Dell Inspiron 600m. I have two functioning 256 memory chips in separate memory slots. I have tried them individually in the first memory slot and both worked. Today I booted up the machine and I got the "The amount of system memory has changed..." prompt. I selected F1 to continue. After startup I checked and found that the computer was seeing the full 512. I rebooted and got the same message. Now I am back to 256. Is there a way to fix this?

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#2 dc3

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Posted 18 September 2007 - 09:29 AM

Have you physically checked to be sure that the RAM is properly seated?
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#3 nathanr525

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Posted 18 September 2007 - 10:03 AM

Yes. They can only go in one way due to the key notch and they are firmly seated with no gaps.

#4 dc3

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Posted 18 September 2007 - 10:26 AM

Where are you reading the amount of RAM? Do me a favor please, download SIW and look to see what is shown in Memory.
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#5 nathanr525

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Posted 18 September 2007 - 10:36 AM

Memory Summary
Location System board or motherboard
Maximum Capacity 1024 MBytes
Memory Slots 2
Error Correction None
Use System memory


Device Locator DIMM_A
Capacity 256 MBytes
Memory Type Synchronous DDR
Speed 266 MHz
Data Width 64 bits
Form Factor DIMM
Total Width 64 bits

Warning! Accuracy of DMI data cannot be guaranteed

#6 DaChew

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Posted 18 September 2007 - 12:28 PM

check each stick one at a time in both slots, if you are sure both sticks are good and both slots are good then, it's a possibility that your cmos battery is weak and forgeting the amount of ram

do the sticks match?

Edited by DaChew, 18 September 2007 - 12:29 PM.

Chewy

No. Try not. Do... or do not. There is no try.

#7 nathanr525

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Posted 18 September 2007 - 01:23 PM

I tried each of the sticks individually in each of the slots. Both work in slot A, neither work in slot B. This does not explain how this morning, for one boot up, both sticks were recognized by the computer. What do you suggest? Was it a fluke?

#8 DaChew

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Posted 18 September 2007 - 01:43 PM

might have a bad connection is slot B, inspect with a small flashlight, you can clean carefully air or even toothpick

pieces of paper folded?

if you see any thing in the slot?
Chewy

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#9 nathanr525

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Posted 26 September 2007 - 06:24 AM

It looked clean but I still cleaned it with compressed air. Still nothing.

#10 usasma

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Posted 27 September 2007 - 08:51 AM

Sounds like slot B has gone bad - why? I dunno. Could be a bit of damage if the memory chip wasn't installed correctly, or it could be a software issue (or it could just be that stuff happens). Try looking closely at and around the slot with a magnifying glass to see if you can see any damage.
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#11 ^MavericK!

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Posted 29 September 2007 - 05:15 AM

Flashing BIOS may help in this matter, but it's just obvious slot B is damaged.

I will go with usasma's advice though, maybe the damage is physical.



Mav




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