PC doesn't boot after upgrading ddr 2 4gbx2 kit |Samsung 800Mhz| Intel Motherboard

kriskothd

Prominent
Oct 4, 2017
3
0
510
Hello i have problem with my pc today i've bought a kit 4x2 4gb ddr2 800mhz RAM

Just it won't boot doesn't work it goes up to bios screen then restart
Spec's
CPU: q6600 @3,4Ghz Air
RAM: old 7 gigs of ram at 800mhz <I wanna replace them.
GPU: Gtx 1050 2gb variant
MOB:GA-P43-ES3G

Ram that doesn't work is Samsung 4gb PC2-6400U-666-12-E3 800mhz
m378t5263az3-cf7 0816


Thing's i've done.
-Checked if they are compatible with my Motherboard
They are my motherboard is Gigabyte P43-ES3G it supports up to 16GB of ddr2 800 ram 4x4
On the gigabyte site a memory list PDF file with a list of all memory that my motherboard support's mine are there -link-"https://www.gigabyte.com/Motherboard/GA-P43-ES3G-rev-10#support-doc" Exact model.
Could be my PSU? its 450W

No idea what to do


Ram is working i've got it from a guy tested on the spot...
Any sugestion's and sorry for my poor grammar and English thank u in advance.