I tried to upgrade my GatewayDX4840-11e from its original 8GB to the specified maximum of 32GB. Twice. The new memory does not work in the machine and I have to revert to the old memory. New memory consists of four 8GB sticks, per the spec. Old memory consists of four 2GB sticks. The computer does not finish the Power-On Self Test, halting during the memory test.
Memory Type: DDR3 PC3-10600, DDR3 PC3-12800, DDR3 PC3-8500, DDR3 PC3-14900, DDR3 (non-ECC) Although the memory can be installed one module at a time, the best performance comes from using matched pairs of modules. How much memory your Windows OS will recognize depends on which version of Windows you are running. To utilize more memory, install a 64-bit version of your OS. Thank You TomMiller Eng
Maximum Memory: 32GB
Slots: 4
Each memory slot can hold DDR3 PC3-10600, DDR3 PC3-12800, DDR3 PC3-8500, DDR3 PC3-14900 with a maximum of 16GB kit (8GBx2) per slot.*
*Not to exceed manufacturer supported memory.
Unfortunately, it turns out that Gateway's specs were wrong. The particular motherboard they use (H57H-AM2), only accepts up to 16GB of RAM, per the motherboard's manufacturer. Gateway tells me that they will update the specification page to reflect this.
Unfortunately I was unaware of the spec changes. Sorry if I was misleading.
Until someone else pointed it out to me, and I pointed it out to Gateway (with documentation), no one seems to have been aware of the spec problem. Don't blame yourself for Gateway's inaccurate specs.
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Just refer to your laptop manual. If your manual got lost go to the acer website and find your product and download the manual.http://www.acer.com.ph/ac/en/PH/content/home .
when upgrading your memory you have to consider the following:
the processor: if your processor has 4gb compatibility mem you can upgrade upto 6 to 8gb.
take note that you must not exceed to 8gb or else your processor might be damage.
get the processor speed: example core 2 i3 processor, 1.0GHZ-the frequency.
the Memory or RAM(random access memory): get ther specification: example is DDR1 or DDR3
PC133 or PC 400. Thats all.
Note: your current memory must have the same memory module(example PC400,PC 133) or else it wont work.if your going to upgrade your current 4gb PC400 you have to add 4gb memory in PC400 module also.
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