Dell Optiplex 3020 Business PC, Micro/65W, Intel G3250T/PDC-2.80G 4GB/1-DIMM 500GB/7200 RPM, GBE Intel-HD/IGP, Windows 8.1 Pro-64 bit, Black

what's going on you guys this is mxk dia or another dell optiplex 3020 mini tower upgrading the video card power supply and from a hard drive to solder drive this is for the like a gaming and so we what you guys going to do is remove the side cover panel and there will be two thumb screws right here the backside removing the side cover panel now you get a Phillips screwdriver and there will be four screws here in the back the power supply get it with the Phillips screwdriver and get those screws removed then I will then disconnect the power supply do that then disconnect the four pin 8 pin right here optical drive disconnect cable and you're going to disconnect there's an optical buddy we're going to discount the a pin and that's about it and what you're going to do is there's a secure clip right here press it down to release the secure lock for the power supply press on to release it s