Replace Power® 420W 420 Watt ATX Power Supply Replacement for HP Compaq PN: 5188-2625, 5188-2627, 5188-2626

okay this is my friends computer that had the flashing green light on the back the power supply I had gotten it going at least temporarily using a hairdryer you can see that in a previous video and I did but basically the power supply is slowly dying so let me go ahead and replace the power supply imma show you how to replace an ATX power supply first I want to go ahead and open up the case and usually there's just like a little screw here or something slide this little panel off here okay you're when I get a new replacement power supply the ATX power supplies are relatively standard in size as far as the width and height but the depth some of them can be deeper so you want to make sure you get one that will actually fit in your case another thing to look for is the power there's the total power of the power supply which is good this is 250 watt max power supply but it's divided among a