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 131 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: ForumBIOS Dell XPS 435 MT wll not support 1333MHZ RAM ForumDowngrade 64 to 32, double OS, new i7? ForumPC from 10/ 2009 is experiencing BSOD probl Forum[Power Supplies, Cases & Mods] Is my PSU causing freezes? ForumWhat computers did you own in the old days? Share your story! ForumDELL SUCKS ForumNew System Won't Boot to vista, blue screen flashes then reboot. ForumUpgrading CPU in DELL 745 ForumJust got The Phenom 9850Be today!!! ForumPII 710 + GA-M61PME Build ForumOffice PC ForumLaptop Build Quality ForumPC Specs any good? HD 7770? ForumFirst new build in 15 years: Would you kindly tell me what you think? Forumupgrading a Dell Dimesion E521 CPU question ForumPSU Help Forum[Solved] Extremely high CPU temperature problem ForumPSU wont power mb ForumAMD Desktop CPU Forum[Solved] 64 bit CPU required for 64bit Windows? More resources Read discussions in other CPUs categories AMD Intel Intel i5 Intel i7 Phenom Cooling Performance !