Having problems with your Gateway 550GR PC Desktop ?

Computer powers up, but monitor shows a self test

\015 Once i turn on the computer, I can hear it running, but the monitor flashes a rectangular box that is green/red/blue The green section displays "self Test G" Red section "Check your PC and signal cable" R and the blue section "Monitor is working" B\015\012\015\012Any solutions\015

Answers :

Check the cables first, reset the monitor to factory settings. Check also your video card
Your video output is bad. Either the video card, or the onboard video built into the computer. You need to swap out the card or add a card to bypass the built in video port on your computer.

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