Solved I have a new motherboard, processor and memory installed, but kept my old hard drive, however, my comp failed to start up and Tags: Systems Processors Motherboards Hard Drives Memory Last response: February 14, 2014 4:06 AM in Systems Share fuzezya February 14, 2014 3:12:09 AM I have a new motherboard, processor and memory installed, but kept my old hard drive, however, my comp failed to start up and went to start up repair... Please help me More about : motherboard processor memory installed hard drive comp failed start Reply to fuzezya Best solution vrumor a b V Motherboard February 14, 2014 3:15:33 AM You need to reinstall your OS with your new hardware. Old installs of Windows will run into driver errors on new hardware unless it is the same exact motherboard which I doubt it is. Reply to vrumor Share nashdes001 a b V Motherboard a b } Memory February 14, 2014 3:16:05 AM u need to install complete fresh os Reply to nashdes001 m 0 l Can't find your answer ? Ask ! Get the answer Nik2200 February 14, 2014 4:06:12 AM u need to reinstall ur os Reply to Nik2200 m 0 l Ask the community Post an answer Related resources SolvedI just got a new case and motherboard for my pc, using my old hard drive, however its seems a ton slower than usual Forum New motherboard and processor, but old hard drive, do I need to re-format it? Forum New motherboard cannot re-install windows to my old Hard drive. Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !