Upgrading my RAM on my Probook 4720s Notebook

[Kalt]

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@Jaypee92 wrote:

Oh okay!

But can i keep my original memory card and just add the crucial one ? or do i absolutely need to have both from crucial?

Thank you for helping me by the way 😛

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You can keep it and just get one module that will bring your total RAM to 8GB.  Both modules will run at the speed of the slowest module (even if the new one is faster) so we recommend purchasing matched pairs...it also helps with potential compatibility issues.

[terminator]

You can keep the original and add Crucial memory because it is dual voltage:

1.35v - 1.5v Dual-Voltage DDR3 memory

4GB DDR3 PC3-12800 Unbuffered NON-ECC 1.35V

[Jaypee92]

Okay you guys are amazing thanks a lot for your fast answers !

I think i'm gonna be okay and buy the right product !

thanks!

[REO51ST]

@Jaypee92

Since you need to remove the keyboard to add the memory these  Remove/Replace videos will help.

http://h20464.www2.hp.com/results.htm?SID=4145330&MEID=16F1A3F8-9C13-444C-85D5-4B4E0A7E1A8B

Regards,

REO

[Jaypee92]

Thank you!

[Jaypee92]

In the specs of my current memory card it says : Memory Technology : SDRAM

But in all the products that i see including the ones you recommand, it says "SODIMM"

Is it a thing to considerate?

[terminator]

It's okay.

It is the (intrinsic) technical characteristics of memory and "form factor":

DDR3 (or PC3) SDRAM, an abbreviation for double data rate type (3) three, synchronous dynamic random-access

The reduced "form factor"  using laptops, all in one, etc., is SODIMM:

SO-DIMM, SODIMM, or small outline dual in-line memory module

[Jaypee92]

God damnit all these terms... ahah thanks again

Just bought it 🙂

Now let's hope i dont break everything trying to install it LOL ..

[Jaypee92]

Hmmm yesterday i discovered that I actually have 2x 2GB cards... i tought i had one 4GB ....

Si instead of having 8GB ill uprgrade to 6GB i get that... but does it cause any problem that i'll have a 4GB+2GB cards ?

is there an order that i need to place the cards in? (4GB on the bottom and 2GB on top or vice-versa?)

Thanks 🙂

[Jaypee92]

Well guys the memory card you recommanded me isnt working ....

the 4gb card alone makes my hp go black and the ventilator at full speed for 30sec the it shuts down

the new 4gb card and one of my old 2gb card together makes the hp work but windows cant boot....

and dont know what to do 😞 

i tried to swith the cards, put them in different places and nothing .... 50$ for nothing 😞

i tried just one of my 2 2gb cards and everything worked perfecr 😮

someone help me please... Thank you 🙂