![Hey I'm new to building pc stuff how do I take off the box area at the bottom to get to my power supply (pc is custom pre built) I need to Hey I'm new to building pc stuff how do I take off the box area at the bottom to get to my power supply (pc is custom pre built) I need to](https://i.redd.it/bir0cuung1db1.jpg)
Hey I'm new to building pc stuff how do I take off the box area at the bottom to get to my power supply (pc is custom pre built) I need to
![Switching Power Supply PSU 500W ATX with 12cm Silent Black Fan/for PC Computer/iCHOOSE : Amazon.co.uk: Computers & Accessories Switching Power Supply PSU 500W ATX with 12cm Silent Black Fan/for PC Computer/iCHOOSE : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71S8sg164qL._AC_UF350,350_QL80_.jpg)
Switching Power Supply PSU 500W ATX with 12cm Silent Black Fan/for PC Computer/iCHOOSE : Amazon.co.uk: Computers & Accessories
![Thermaltake Toughpower Grand RGB 750W Gold (RGB Sync Edition) ATX Black power supply unit Toughpower Grand RGB 750W Gold (RGB Sync Edition), 750 W, 100-240, 900 W, 50-60, Active, : Amazon.co.uk: Computers & Accessories Thermaltake Toughpower Grand RGB 750W Gold (RGB Sync Edition) ATX Black power supply unit Toughpower Grand RGB 750W Gold (RGB Sync Edition), 750 W, 100-240, 900 W, 50-60, Active, : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71L6RYoL9SL._AC_UF1000,1000_QL80_.jpg)
Thermaltake Toughpower Grand RGB 750W Gold (RGB Sync Edition) ATX Black power supply unit Toughpower Grand RGB 750W Gold (RGB Sync Edition), 750 W, 100-240, 900 W, 50-60, Active, : Amazon.co.uk: Computers & Accessories
![PSA: Don't open a PSU. It's dangerous and can kill you. There is nothing inside to service or upgrade. : r/pcmasterrace PSA: Don't open a PSU. It's dangerous and can kill you. There is nothing inside to service or upgrade. : r/pcmasterrace](https://i.redd.it/hsko9d8gdw4c1.png)
PSA: Don't open a PSU. It's dangerous and can kill you. There is nothing inside to service or upgrade. : r/pcmasterrace
![JUSTOP Black 600W ATX PC Power Supply PSU With 12CM Quiet Fan And PCI-E 6+2-Pin / 6 x SATA / 24-PIN / 8-PIN 12V / 3 x MOLEX / 1 x Floppy : Amazon.co.uk: Computers & Accessories JUSTOP Black 600W ATX PC Power Supply PSU With 12CM Quiet Fan And PCI-E 6+2-Pin / 6 x SATA / 24-PIN / 8-PIN 12V / 3 x MOLEX / 1 x Floppy : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71XG-NIdQ+L._AC_UF1000,1000_QL80_.jpg)