Mac OS X 10.4.9 (#15): Display does not wake up alongside system (cont.) -- more fixes
Cointinued coverage of an issue where displays fail to wake up alongside their connected Macs.
[For complete coverage of Mac OS X 10.4.9 troubleshooting issues, see our special report]
Display does not wake up alongside system (cont.) -- more fixes We continue to report on an issue where displays do not wake up automatically when the attached Macs wake up. This issue is not specific to Mac OS X 10.4.9, but has been reported with greater frequency among users who have applied the update.
Yesterday we noted a few less-than-ideal workarounds, including a keyboard-based restart and setting the computer to never sleep. Today there are two new potential fixes:
AppleScript to switch resolution MacFixIt reader Daryl Forrest has now alerted us to an AppleScript created by James D Forrest that changes the screen resolution momentarily then switches it back to the original setting. As noted in our previous coverage, this can cause a resurrection of the display. [This script requires that you download the utility CScreen, and place it in your /Applications folder.]
The AppleScript is as follows:
do shell script "Applications/CScreen -s 2 -x HRES -y VRES -r REFRESH"
do shell script "Applications/CScreen -s 2 -x HRES -y VRES -r REFRESH"
The values for "HRES" and "VRES" should be changed to the respective horizontal and vertical screen resolution settings you would like to use. The value "REFRESH" should be changed to the refresh rate you would like to use. For instance, if you wanted to momentarily switch the resolution to 1280x960, then back to a normal setting of 1680x1050, with a refresh rate of 60 Hz the script would be:
do shell script "Applications/CScreen -s 2 -x 1280 -y 960 -r 60"
do shell script "Applications/CScreen -s 2 -x 1680 -y 1050 -r 60"
Launch Script Editor (located in /Applications/Script Editor) and place this script in the text field for a new script. Compile and save the script, then place it in your /Library/StartupItems folder.
Use a dual-link DVI cable Some users have reported that replacing their single-link DVI cables with dual-link DVI cables has resolved this issue.
Feedback? Late-breakers@macfixit.com.
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