SOLVED: Mac Pro 5,1 turns on on ac plug, no chime, no video, no keyboard power - Mac Pro 2009-2012 - iFixit
Apple Mac Pro A1289 MacPro4,1 (Early 2009/Nehalem) Quad Core Intel Xeon W3520 @ 2.66GHz / 3GB of 1066MHz DDR3 SDRAM / 1TB HDD / OS X Mountain Lion / NVIDIA GeForce GT120
![Amazon.com: Mac Book Pro Charger,Replacement for Mac Book Pro 13 inch 60W Magnetic L-Tip Power Adapter Before Mid 2012,Compatible with Mac Book(Released in 2009-2010 : Electronics Amazon.com: Mac Book Pro Charger,Replacement for Mac Book Pro 13 inch 60W Magnetic L-Tip Power Adapter Before Mid 2012,Compatible with Mac Book(Released in 2009-2010 : Electronics](https://m.media-amazon.com/images/I/21FV7RIbyvL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Mac Book Pro Charger,Replacement for Mac Book Pro 13 inch 60W Magnetic L-Tip Power Adapter Before Mid 2012,Compatible with Mac Book(Released in 2009-2010 : Electronics
![Mac Pro "Eight Core" 2.26 (2009/Nehalem) Specs (Early 2009, MB535LL/A, MacPro4,1, A1289, 2314): EveryMac.com Mac Pro "Eight Core" 2.26 (2009/Nehalem) Specs (Early 2009, MB535LL/A, MacPro4,1, A1289, 2314): EveryMac.com](https://everymac.com/images/cpu_pictures/apple_mac_pro_2009.jpg)
Mac Pro "Eight Core" 2.26 (2009/Nehalem) Specs (Early 2009, MB535LL/A, MacPro4,1, A1289, 2314): EveryMac.com
![2012 Mac Pro (GTX980Ti) [1st,12C,E] + GTX 780 Ti x3 @ 64Gbps-PCIe (Cyclone Backplane) + macOS 10.11.6 | External GPU Builds 2012 Mac Pro (GTX980Ti) [1st,12C,E] + GTX 780 Ti x3 @ 64Gbps-PCIe (Cyclone Backplane) + macOS 10.11.6 | External GPU Builds](http://www.usedmac.com/products/image/cache/data/Mac%20pro%20Nehalem-500x500.jpg)