Dell optiplex 755 wont boot Tags: Prebuilt Optiplex Dell Power Systems Last response: September 9, 2011 6:42 AM in Systems Share HTOOOS September 9, 2011 1:19:20 AM Hello, I have a Dell Optiplex 755 - have had it for about 3 years and it isn't booting at all. It is getting power ( power light is green) ~ but it won't even give me a message as to why it isn't booting. Suggestions? More about : dell optiplex 755 wont boot Ubrales September 9, 2011 6:42:41 AM Do you have a USB or external hard disk plugged into the front USB port? Just remove it and start the computer. m 0 l Can't find your answer ? Ask ! Publish Related resources My dell optiplex 755 runs on windows 7 how do i boot into safe mode Forum My dell optiplex 755 wont turn on Forum Dell optiplex 755 wont turn on Forum SolvedDell optiplex 390 won't boot after cpu upgrade Forum SolvedSamsung 840 Pro Won't Boot on Dell Optiplex Forum SolvedPower supply and graphics card for Dell Optiplex 755 Mini Tower Forum SolvedGraphics card for Dell Optiplex 755 DT(DeskTop)! Forum Dell optiplex gx620 orange/amber light on power button and it wont boot up Forum SolvedDell Optiplex gx520 motherboard upgrade - new motherboard wont boot. Forum SolvedHelp Dell Optiplex 755 8GB ram Forum SolvedDell Optiplex 755 MT - Adding 2nd Hard drive - Any system factors limiting size and/or speed Forum SolvedPower Supplies that work with a Dell Optiplex 755??? Forum SolvedDell optiplex 755 Forum Solveddell optiplex 755 MT graphics card Forum SolvedVideo Card-Power spply Dell optiplex 755 Forum Solvedi have dell optiplex 755 tower and i want buy graphic card 1 g 256bit which model can buy it Forum SolvedGraphics Card for my Dell Optiplex 755 Forum Solvedbest low-profile gpu for dell optiplex 755(sff) Forum SolvedIs EVGA GeForce 8400 GS 1 GB DDR3 PCI Express 2.0 DVI/HDMI/VGAGraphics Card the best I can do for Dell Optiplex 755 Forum SolvedNice graphics card multi-monitor upgrade for Dell Optiplex 755 -- AMD ATI 2450 Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !