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Re: no red color in monitor that is a hp
Just sharing this, hope it helps.
Are you missing also green color? If red color only, since it is a CRT type, right? Common fault could be video card. Reseat or retighten the connector plug. Some could be settings.
If not could be cable problem or cold solder. Other than that is the circuitry inside is at fault, it could be the transistor controlling the red gun is at fault or some other component.
I suggest to test the monitor unto another computer to isolate first if the monitor is at fault or the CPU unit. If monitor, you may consider buying a new monitor if repairing is more costly than having a new one.
Power and unplug the monitor and tower. Reseat the monitor plug in to the tower and tighten down.Plug in power cords for both tower and monitor.Reboot computer! If this does not work possible video card failure. firstname.lastname@example.org (good question)
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It may sound strange but be absolutely sure the cable is plugged into the monitor. Adapter on the computer.
The serial adapter on the back looks just like video.
Video actually has a faintly noticeable monitor icon rigtht next to it.
Plugging into a serial can eventually blow out your monitor.
Also, a.badcable can do the same thing.
And if you have messed up the monitor's settings you will see the same
Radio 12v red/white + radio harness Radio Ground (chassis) Radio Ignition blue + radio harness Radio Illumination green/white + radio harness Factory Amp Turn-on Power Antenna N/A LF Speaker +/- white/blue - black/blue +,- radio harness or amp Notes: The amplifier is under the passenger seat. RF Speaker +/- white/red - black/red +,- radio harness or amp LR Speaker +/- yellow/blue - gray/blue +,- radio harness or amp RR Speaker +/- yellow/red - gray/red +,- radio harness or amp
Here are the colors for the radio harness on your '91 Escort.
1991 Ford Escort Radio Color Codes
Battery Constant 12v+ Wire: Blue/Red Accessory Switched 12v+ Wire: Blue/Black Ground Wire: Black Illumination Wire: Red/Black Left Front Speaker (+): Violet Left Front Speaker (-): Blue/Orange Right Front Speaker(+): Blue/White Right Front Speaker(-): White Left Rear Speaker (+): White/Blue Left Rear Speaker (-): Red/Blue Right Rear Speaker (+): White/Green Right Rear Speaker (-): Blue
Radio Constant 12V+ Wire: White/Green Radio Switched 12V+ Wire: White/Red Radio Ground Wire: Black Radio Illumination Wire: n/a Radio Dimmer Wire: Red/Black Radio Antenna Trigger Wire: n/a Radio Antenna Location: Rear Glass Front Speakers Size and Location: 6 1/2′ Doors Left Front Speaker Wire (+): Blue/Green Left Front Speaker Wire (-): Gray/Black Right Front Speaker Wire (+): Red/Green Right Front Speaker Wire (-): Brown/Black Rear Speakers Size and Location: 6′ x 9′ Rear Deck Left Rear Speaker Wire (+): Blue/Yellow Left Rear Speaker Wire (-): Gray/White Right Rear Speaker Wire (+): Red/Yellow