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Mac Forum / General / Hardware / February 2005Viewsonic monitor turned red
I have a Viewsonic GA655 15" monitor on a Performa 6116. I know you're not supposed to move a monitor while it's on (except for slight adjustments to the tilt, etc.), but I very slowly and gently moved my pizza box Mac (6116) about 5 degrees to the right on the desk so I could see the ports in the back, and the monitor turned red. I shut down and started up, but it's still red. I remember something like this happening years ago (different monitor), but the monitor turned green. I shut down and when I started up, it was back to normal. Does anyone here know what I can do to get the monitor working right again? Maybe it needs to rest, and it'll be okay in the morning? Would degaussing fix this? > I have a Viewsonic GA655 15" monitor on a Performa 6116. I know you're > not supposed to move a monitor while it's on (except for slight [quoted text clipped - 6 lines] > I can do to get the monitor working right again? Maybe it needs to rest, > and it'll be okay in the morning? Would degaussing fix this? Looks like your Missing your blue green inputs to your monitor. Have you checked the plug for your monitor and see if it is plugged in firmly? Some of the pins might not be making a good connection > > I have a Viewsonic GA655 15" monitor on a Performa 6116. I know you're > > not supposed to move a monitor while it's on (except for slight [quoted text clipped - 10 lines] > checked the plug for your monitor and see if it is plugged in firmly? > Some of the pins might not be making a good connection Yes. I shut down and unplugged and replugged to make sure. Because the 6116 has a "high-density" port, the monitor is connected with an adapter. It also has a dipswitch connected to the adapter. But everything worked until I did my little maneuver last night. I barely moved it. > > I have a Viewsonic GA655 15" monitor on a Performa 6116. I know you're > > not supposed to move a monitor while it's on (except for slight [quoted text clipped - 10 lines] > checked the plug for your monitor and see if it is plugged in firmly? > Some of the pins might not be making a good connection Mark, you hit the nail on the head. After my last post, as an extra precaution I rechecked all connections, including the dipswitch and duct-taping a bend in the adapter that had slightly exposed gray wires. (Is duct tape okay for this? Nothing's going to burn or melt? Electrical tape wouldn't be strong enough to hold the bend together.) But I think the main culprit in was the connection right at the 6116's port. The plug isn't the screw-in type, so the slightest movement can unseat a pin. I stuck three floppy disks under the adapter to keep it stable. > Mark, you hit the nail on the head. After my last post, as an extra > precaution I rechecked all connections, including the dipswitch and > duct-taping a bend in the adapter that had slightly exposed gray wires. > (Is duct tape okay for this? Nothing's going to burn or melt? Electrical > tape wouldn't be strong enough to hold the bend together.) At the amperages going through the monitor cable (milliamps), there is no fire risk to the duct tape. Many years ago, when I worked at the largest video game arcade in the StL area, the head tech and I put together our "universal repair kit," (super glue, duct tape, drywall nails and later we added velcro). We did use duct tape sometimes to cover exposed wire along wire harnesses as long as the wire was not 110 a/c current. No risk on the 12 V and 5 V lines. jt |
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