Question about Dell Latitude C640 Notebook

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How can i turn on and installe infrared

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What kind of computer do you have? Normally you go in bios. When you turn on the computer you see on the screen that is says: F2 to enter bios. So when the computer is turned on hit f2 and then in bios you need to check on the main page or next page (depends what kind of computer you have) and you will see an option to turn on the infrared. I do not think you need to install anything after you turn them one.

Posted on Sep 22, 2008

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Posted on Jan 02, 2017

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I don't know how enable infrared port in my pc - ibm thinkpad x 41


By default, currently available ThinkPads come with the external serial port disabled and Infrared enabled on COM1. To use the serial port on COM1 you must either disable infrared or change infrared so that it uses alternate resources. If you are not using infrared for printing or file sharing it is recommended that it be disabled. Here are the steps to follow to enable infrared :

1. Double-click your ThinkPad Features or ThinkPad Configuration icon located in the ThinkPad folder on your desktop.

2. Locate the Infrared button located on the left-hand side of this configuration screen and click it once. (Note: If you hold your mouse pointer over any of the icons in this configuration screen the button will be identified at the bottom in the status window.)

3. Change Infrared from "Disable" to "Enable" and click "OK".
4. Locate the serial port icon and click it once.
5. Select serial port "enable" and insure that the COM PORT setting is "COM 1" and click "OK".
6. Shut down and restart the computer.

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1 Answer

My dell D505 turned itself and will not turn back on power light flashes but thats it power supply is fine



  1. Locate Fast IR under Onboard Devices.


NOTE: Ensure that the COM port that you select is different from the COM port assigned to the serial connector.
  1. Press <Enter>.

  2. Use the arrow keys to select the infrared COM port setting.

  3. Press <Enter>.

  4. Follow the instructions on the screen.

After you enable the infrared sensor, you can use it to establish a link to an infrared device. To set up and use an infrared device, see the infrared device documentation and the Windows XP Help and Support Center

http://support.dell.com/support/edocs/systems/latd620/en/UG/setup.htm#wp1112328

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Can fixya get me dell latitude d600 user manual


Here is a link to the user guide:http://support.ap.dell.com/support/edocs/systems/latd600/en/index.htm

Or you can just read the following:

Enabling the Infrared Sensor
  1. Enter the system setup program:

    1. Turn on your computer.

    1. Press <F2> when the DELL logo appears.

  2. Press <Alt><P> until you locate Infrared Data Port under Basic Device Configuration.

  3. Press the down-arrow key to highlight Disabled next to Infrared Data Port.

  4. Press the right-arrow key to change the setting to a COM port.

Ensure that the COM port that you select is different from the COM port assigned to the serial connector.
  1. Press <Esc> to save the changes and exit the system setup program.

If you are prompted to restart your computer, click Yes.
  1. Follow the instructions on the screen while the infrared sensor driver is being installed.

  2. At the end of the installation process, click Yes to restart the computer.

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1 Answer

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I guess they somehow damaged your mic while adding memory. You can check the primary voice input device in your Control Panel/Sounds

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