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  2. Display Data Channel - Wikipedia

    en.wikipedia.org/wiki/Display_Data_Channel

    Display Data Channel (DDC) is a collection of protocols for digital communication between a computer display and a graphics adapter that enable the display to communicate its supported display modes to the adapter and that enable the computer host to adjust monitor parameters, such as brightness and contrast.

  3. DisplayPort - Wikipedia

    en.wikipedia.org/wiki/DisplayPort

    DisplayPort Dual-Mode (DP++), also called Dual-Mode DisplayPort, is a standard which allows DisplayPort sources to use simple passive adapters to connect to HDMI or DVI displays, and allows DisplayPort displays to use simple passive adapters to connect HDMI or DVI sources. Dual-mode is an optional feature, so not all DisplayPort sources ...

  4. Data Carrier Detect - Wikipedia

    en.wikipedia.org/wiki/Data_Carrier_Detect

    On a data modem, the carrier's loss equates to the connection's termination. Much like the Ring Indicator signal, on a PC's serial port, changes to the DCD signal state can generate a hardware interrupt that can be captured by the processor any time the DCD signal changes state, preventing the PC from needing to constantly poll the pin.

  5. Fix problems sending AOL Mail

    help.aol.com/articles/aol-mail-troubleshooting

    If you see an image challenge question when sending mail, you should just be able to complete the challenge then send mail. If, however, you correctly answer the image challenge and still can't send mail, it could be a sign of a more serious issue with your account, which may require additional steps to secure your account .

  6. Packet loss - Wikipedia

    en.wikipedia.org/wiki/Packet_loss

    Network congestion is a cause of packet loss that can affect all types of networks. When content arrives for a sustained period at a given router or network segment at a rate greater than it is possible to send through, there is no other option than to drop packets.

  7. DisplayLink - Wikipedia

    en.wikipedia.org/wiki/DisplayLink

    Additionally, it supports the connection of multiple displays to a single computer. DisplayLink serves various customers, including notebook OEMs, LCD monitor manufacturers, and PC accessory vendors. Its technology is compatible with operating systems such as Microsoft Windows, macOS, Android, ChromeOS, and Linux. [1]

  8. Fix sending and receiving issues with third-party email apps

    help.aol.com/articles/cant-send-or-receive-email...

    If your third-party email app is having issues connecting, sending, or receiving emails, you may need to reconfigure your account or update the app. Use these steps to identify and fix the source of the problem. Troubleshoot any problems with your account

  9. List of video connectors - Wikipedia

    en.wikipedia.org/wiki/List_of_video_connectors

    Used by early home computers and game consoles to connect them to TVs because of the lack of any other connector. Generally not used in North America. BNC: Alternative to RCA for professional video electronics. Protocols: Serial digital interface (SDI) and HD-SDI. CoaXPress; 75 Ω for video signal (SDI and CoaXPress) on, for example, RG59 and RG6.