Thanks to both Jon and Simon for your comments.<br><br>Jon said:<br><br>"Any chance it is the setting in your Energy Saver System Preference Panel that puts your display to sleep when the computer is inactive <font size="2">
for a specified amount of time?"<br><br>Perhaps that is it. I just checked it, and it was set for less than 15 minutes, and I changed it to read "never." Perhaps that will do it.<br><br></font>With respect to Simon's comments, Apple replaced the inverter board when it replaced the HD and CD-ROM drive a year or so ago, and hence hopefully it hasn't gone bad again.
<br><br>Best wishes to both of you,<br><br>Tim Naegele<br><br><br><br><br><div><span class="gmail_quote">On 5/24/07, <b class="gmail_sendername">Timothy D. Naegele</b> <<a href="mailto:tdnaegele.associates@gmail.com">tdnaegele.associates@gmail.com
</a>> wrote:<br><br><br></span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Last night I was watching a DVD using Apple's DVD Player and the screen went dark but the sound remained. I restarted the 800 Mhz PowerBook G4, and everything was fine, and then it happened again, so I restarted it again. Finally, I gave up trying to watch the DVD, thinking that it might be an issue with the DVD.
<br><br>Just now I was talking with someone on Skype and the same thing happened: a dark screen but still sound.<br><br>From earlier PowerBooks, I seem to recall resetting the PRAM, or something like that. Does anyone have any bright ideas? Before I take it to the Genius Bar at an Apple store, I welcome your thoughts.
<br><br>Thanks so much.<br><br>Tim Naegele<br><a href="http://www.naegele.com" target="_blank" onclick="return top.js.OpenExtLink(window,event,this)">www.naegele.com</a><br>
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