"Check Signal Cable" Error

today i came back from geek squad and got a power supply and graphics card installed, when i started my computer it says "Check Signal Cable" i need help and how do i fix this?
1 answer Last reply
More about check signal cable error
  1. Make sure the cable is plugged securely into monitor, and gfx card at the other end,
    uninstall old gfx drivers and install latest ones for new card,
    make sure its enabled in device manager as well.
    I'll check back later
Ask a new question

Read More

Chipsets Power Supplies Graphics Cards Cable Motherboards