My PC won't boot up, it's stuck on the Dell bios screen and the bar is at the beginning. Additionally, there are a bunch of black vertical lines throughout the Dell logo. When I press F2 or F12, nothing happens. All cables are secure. This problem occured after I replaced the power supply. It wouldn't turn on at all and the power light was blinking orange.

‎PC won't boot | DELL Technologies

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rdunnill

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October 7th, 2015 22:00

Which model of Dell?

TSP90

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October 8th, 2015 07:00

It's an Optiplex 745.

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