<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Some keyboard shortcuts are used during startup to modify the boot process. For instance, Command - S will invoke 'Single User' mode. See here...<div><br></div><div><a href="http://support.apple.com/kb/ht1343">http://support.apple.com/kb/ht1343</a></div><div><br></div><div>Oftentimes there is a delay in the action, and I am not sure if I got the timing right. I have an iMac 3.06 Ghz Intel Core 2 Duo running OS X 10.6.7 with a wireless Bluetooth keyboard.</div><div><br></div><div>Question --- When does the Bluetooth become active during the boot process??</div><div><br></div><div>Thanks,</div><div><br></div><div>Ray</div><div><br><div apple-content-edited="true">Raymond P Reedy<br><a href="mailto:speedyrjax@gmail.com">speedyrjax@gmail.com</a><br><br><br><br><br></div><br></div></body></html>