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Hello everyone, today I changed my mobo and cpu, it started without problems, i enabled xmp and test it, it worked fine. Two hours ago I started the pc and it's noot booting, nothing on the screen, just the q-code 3E and q-led "DRAM". I tried to remove the ram and do the ram stick. The code is there even if the ram is not in it! i tried to cmos with the jumper and removing the battery, nothing!

The fans starts to spin and the leds are on, nothing else. I don't know what happend, I tried a bios flashback but the little led indicator don't turn on.

The q-code on the manual is: Post-memory PCH inizialization is started.

Can somebody help me? Thank you all guys ^^

Config: 
Ryzen 9 3900x
Asus strix b550-e
Gskill 16gb 3000mhz ddr4 (F4-3000C16D-16GTZR)
GTX 1080 amp Extreme
Crucial M2 nvme 500gb 3.0
Barracuda 2tb
Corsair tx650m.

Nessuna descrizione della foto disponibile.Nessuna descrizione della foto disponibile.

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https://linustechtips.com/topic/1226327-asus-q-code-3e-not-booting/
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When it doubt (or experiencing weird issues relating to RAM/PCIE/PCH) just try reseating your cpu.

mY sYsTeM iS Not pErfoRmInG aS gOOd As I sAW oN yOuTuBe. WhA t IS a GoOd FaN CuRVe??!!? wHat aRe tEh GoOd OvERclok SeTTinGS FoR My CaRd??  HoW CaN I foRcE my GpU to uSe 1o0%? BuT WiLL i HaVE Bo0tllEnEcKs? RyZEN dOeS NoT peRfORm BetTer wItH HiGhER sPEED RaM!!dId i WiN teH SiLiCON LotTerrYyOu ShoUlD dEsHrOuD uR GPUmy SYstEm iS UNDerPerforMiNg iN WarzONEcan mY Pc Run WiNdOwS 11 ?woUld BaKInG MY GRaPHics card fIX it? MultimETeR TeSTiNG!! aMd'S GpU DrIvErS aRe as goOD aS NviDia's YOU SHoUlD oVERCloCk yOUR ramS To 5000C18! jellYfIn Client siDE TRanscoDinG

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