Question about Dell OptiPlex GX150 SF PC Desktop

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I installed another 256 of ram, for a total of 512, but the computer only says i have 256 what can i do.

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Remove both RAM modules.
Just install the new one to see if system can see it.
This will tell you if the new module is ok and can be seen by your system.
It is rare but you may have gotten bad RAM.
If the system sees the new module then power off and add the old one for total of 512.
When the system powers up hit DEL or F2 or whatever key gets you into CMOS.
Change something harmless in CMOS like add a minute to the clock.
Save and exit cmos. If that doesn't work make sure the new memory is an EXACT match to the original.


Posted on Jun 29, 2009

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I've done this before in my early days. Make sure that the memory is exactly the samme type as the original one, and make sure your motherboard can handle the extended memory. Check in system properties for all this info.

Posted on Jun 22, 2009

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1 Answer

Is there a way the memory in a toshiba satellite 1005-s157 be increased to more than 512MB?


Yes you can, at least to 1 Gb maybe possibly to 2 Gb.
There will be two memory slots in your laptop. To increase the RAM to 1 Gb install another 512 Mb RAM module in the empty 2nd memory slot. Make sure you use the same make and speed RAM as the one that is installed.
If you have two 256 Mb RAM modules installed in your laptop then you need to replace the two 256 Mb RAM modules with two 512 Mb RAM modules to get a total of 1 Gb RAM.

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Not so much a problem but I have an old Dell dimension with an 866 inteleron processor. I have 2 slots for Ram, each with 256 mb totalling 512, my question is can I replace them with 2 512's for 1plus gb...


Yes you can install 2 512 mb RAM for 1Gb in motherboard.But make sure both 512 RAM are same in configuration and frequency it is better you purchase both ram of same company.Then it works.
Let me know if you need further assistance.
Thanks for using FixYa.

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Change ram from 512 to 1 gig bios cannot read added ram


The original 2 sticks of 256 Mb of RAM gives you a total of 512
Mb of RAM. Two 512 Mb of RAM gives you a total of 1 Gb of RAM.
With two sticks of 512 Mb of RAM are you sure you got a total of 192 Mb of RAM, this is a lot less than the original RAM total of 512 Mb?
Should this be 1920 Mb of RAM?
If this 192 Mb is correct then the RAM modules are either not compatible with the laptop or if the RAM modules are not from the same manufacturer then they may not work together.

Most laptops have video cards that use part of the main RAM for video RAM, that is why the available RAM is less than the installed RAM modules. The amount of RAM the video card grabs depends upon the type of video card and in some cases the amount of video RAM can controlled in the BIOS setting.

Nov 07, 2009 | Sony VAIO PCG-K25 Notebook

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I have a Easy Note M5 280DW and would like to know if I can upgrade the RAM?


Standard Memory 256 (256MB x1 Removable) Maximum Memory 1 GB The standard memory of your system is 256 Mbytes and the maximum memory it supports is 1 Gbytes.
So you can either upgrade the RAM by adding 1 stick of 256 Mbytes (for a total of 512 MB) or buy two sticks of 512 Mbytes each (for a total and maximum memory of 1 Gbytes).
You are looking for PC2700 DDR Memory.
In any case, check the memory you have installed.
You can download a free utility like CPUZ that will give your information about your system, including the number of memory slots available and used and the memory (amount and type) installed: http://www.cpuid.com/download/cpuz/cpuz_152_setup.exe

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Hello,

You can use two 512Mb sticks which will equal 1024Mb or 1Gb.

Hope this helps.


DS

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frquance is not set and it is not recommand that 2 different friquance ram is not working propaties

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Try re-seating the RAM. If that doesn't work ensure that your laptop supports the ram you bought. If the RAM you have is PC2700 and your computer only supports up to PC2500 (for example) it wont work.

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Sdram capacity


its that 512 mb total capacity for your computer memory?? if so read this:
To find the total amount of RAM that can be added , subtract the amount of RAM currently in the computer from the maximum amount of memory the computer can hold. For example, a computer has 256 MB of RAM. If the maximum amount of memory the computer can hold is 512 MB, then 256 MB is the amount of RAM that can be added. this info from the HP website , to find out more , go to http://www.hp.com/support , enter the model number , and look for more information about your computer specs, hope this helps , please rate & thanks AJ

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