This article is the Read Me for PowerBook 2400-3400 Graphics Update.

You should install this software if you connect an external monitor or projection system to your PowerBook 2400 or 3400 and it remains black. This update will allow you to force a particular video timing out the VGA connector on the back of the machine.

Download this update from Apple Support Website, Software Updates: http://asu.info.apple.com/swupdates.nsf/artnum/n10004

Important Information About the 2400/3400 Graphics Update and Monitors Resolution version 1.4.2

The "2400/3400 Graphics Update" enhances the graphics driver for the PowerBook 2400 and 3400 series. Version 1.4.2 of the "Monitors Resolution" control strip module supports the new features of the PowerBook 2400 and 3400 graphics driver. This document describes the "2400/3400 Graphics Update" and when you need to install it.

What Is the "2400/3400 Graphics Update"?

The "2400/3400 Graphics Update" is a system extension that enhances the graphics driver on the PowerBook 2400 and 3400 series, running Mac OS 8.0 or earlier. These enhancements require version 1.4.2 of the "Monitors Resolution" control strip module.


Who Needs to Install the "2400/3400 Graphics Update"?

You should install the extension and the control strip module if you connect an external monitor or projection system to your PowerBook 2400 or 3400 and it remains black. This update will allow you to force a particular video timing out the VGA connector on the back of the machine. Note: Before attempting to drive a resolution, make sure that your monitor or projection system supports that resolution. Driving an incorrect resolution might result in permanent damage to your monitor or projection system.

Any PowerBook 2400 or 3400 series running MacOS 7.6, Mac OS 7.6.1 or Mac OS 8 which needs the new capabilites should install this update.


How to use the new capabilities?

While holding down the Control Key, click on the Monitors Resolution Control Strip module. A list of all the resolutions that the PowerBook can drive will be shown. You can click on the appropriate resolution for your monitor or projection system and the PowerBook will start displaying video on it. You will need to hit the "OK" button on a confirmation dialog that will appear on the new screen. If you do not hit the "OK" key, or if you hit the return key, the video will return to your LCD screen.

If you use this procedure, you will need to repeat it once you shut down or put the PowerBook to sleep.

Please consult your monitor or projection system specifications in order to decide which resolution is the most appropriate.

Installing the "2400/3400 Graphics Update"

To install the "2400/3400 Graphics Update", follow these steps.

1. While holding down the Option key, drag the "2400/3400 Graphics Update" to the icon of the System Folder on your hard disk.

2. Click OK in the dialog box that appears.

To install the "Monitors Resolution" control strip module, follow these steps.

1. Open the "Control Strip Modules" folder inside the System Folder.

2. If you wish to save your old copy of the "Monitors Resolution" control strip module, move it somewhere else for safekeeping.

3. While holding down the Option key, drag the "Monitors Resolution" file from this update to the "Control Strip Modules" folder.

4. If you did not remove the old module in step 2, then hit "OK" to confirm that you will replace the old module.

5. Reboot your computer.