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HP Recommended
550-129nf
Microsoft Windows 10 (64-bit)

Hello, 
i bought new dual channel RAM for my pavilion 550-129nf computer:

 

_My computer => https://support.hp.com/fr-fr/product/hp-pavilion-550-100-desktop-pc-series/8499648/model/9137298/doc...

_My new RAM => https://www.corsair.com/fr/en/Categories/Products/Memory/High-Performance-Memory/Vengeance-LP%E2%84%...

 

#Informations about my computer:
Product name: 550-129nf
System board: 2B47
BIOS version/revision: ODE v.A0.20 (01/18/2018)
CPU type: i5-6400
MotherBoard: IPM-DD Rev.1.04
OS: Windows10 64bit v.2004 (19041.508)

 

I bought this RAM after watching carefully the compatibility page on the official HP website which said:
Memory upgrade information
Dual channel memory architecture
Two 240-pin DDR3L DIMM sockets
Supports the following:
PC3L-12800 (DDR3L-1600)
PC3L-10600 (DDR3L-1333)
Supports 1 GB, 2 GB, 4 GB and 8 GB DIMMs
Supports up to 4 GB on 32-bit systems
NOTE: 32-bit systems cannot address a full 4.0 GB of memory.
Supports up to 16 GB (unbuffered) on 64-bit computers
NOTE: Maximum memory shown reflects the capability of the hardware and can be limited further in the operating system.

 

But when i put my new RAM on my computer it won't start and make a "3 long/2 short" beep code.

 

i don't understand what's wrong with this computer, i did respect all things from the official website.
i spent more than 100€ on those memory and it won't work, did i waste my money for nothing ? can anybody help me ?

 

Thank you for an answer.

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