Final Analysis

 

Based on your input:

The computer turns on and you hear the windows chime but there is no video on the screen.

 

Conclusion:  (1 of the following Parts is broken)

This usually indicates either a failing motherboard*, video card or computer monitor. (assuming your cords are connected)

 

Quote for Parts, Labor, Taxes, Fees (all inclusive)

Motherboard - approx $280

Video Card - approx $205

Computer Monitor - please review broken monitor options

 

*if your motherboard requires replacement, you will need to reinstall your aftermarket programs (programs installed after you purchased the computer)