My Optiplex 380 MT (2009) wont boot after a CPU Downgrade Tags: CPUs Pentium Optiplex Last response: February 14, 2011 3:48 PM in CPUs Share whitesultan February 13, 2011 4:28:45 PM hello guys ! i downgeraded my dell optiplex 380 MT (2009) cpu config from a pentium dual core e5300 to a pentium d 925 i have no idea how to fix this plz plz plz help me More about : optiplex 380 2009 wont boot cpu downgrade popatim a c 141 à CPUs February 13, 2011 11:35:21 PM put the e5300 back in 1965ohio a b à CPUs February 14, 2011 5:24:44 AM Why did you downgrade? Put the e5300 back in or upgrade to something in the Core 2 line. Your BIOS doesn't support Netburst CPUs like Pentium 4 or Pentium D. Can't find your answer ? Ask ! Get the answer mavroxur a b à CPUs February 14, 2011 3:48:22 PM Because that machine doesn't support the Pentium D series. Can't find your answer ? Ask ! Publish Related resources Upgrading CPU in Dell Optiplex 380MT Forum Dell optiplex 390 won't boot after cpu upgrade Forum Optiplex 330 sound driver wont work after downgrade...? Forum CPU 'downgrade' - system won't boot Forum SolvedComputer won't boot after motherboard, graphics card, and cpu upgrade. Forum SolvedPC won't boot after installing stock CPU fan Forum SolvedPc won't boot after cpu change Forum SolvedCPU won't boot after installing a new mobo Forum SolvedComputer Won't Boot After Upgrading CPU Forum SolvedMy computer won't boot after I reinstalled CPU cooler Forum SolvedPC won't boot after new CPU and liquid cooling Forum SolvedAfter Bios update, cpu won't boot!! Forum SolvedMy PC wont fully boot after a new cpu Forum SolvedComputer wont boot after CPU upgrade Forum Computer won't boot correctly after New motherboard/cpu installation Forum My computer wont boot up after CPU upgrade Forum SolvedWindows won't boot after Motherboard/CPU/RAM change Forum CPU won't boot after replacing PSU Forum SolvedWhat to do if PC won't boot after undervolting CPU in AMD Overdrive? Forum Trouble Downgrading [upgrading if you ask me] to Windows 7, wont boot after install Forum More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !