Written by Topher Kessler
A number of people are experiencing problems with their wireless network connections after updating to 10.5.8. A few have not been able to connect to their Wi-Fi networks, some have had slow connections, and others have had problems with specific devices and services such as using Airtunes with an Airport Express.
MacFixIt reader "gfs2000" writes:
"I just updated to 10.5.8 and I also can't connect with my wireless router. I'm using an early 2008 white MacBook. I'm sending this via a direct connection via an ethernet cable."
Apple discussion poster "Jade Curtis" writes:
"I ran software update and updated my Mac to 10.5.8 restarted and now can no longer get online with airport."
Many of these problems seem to be caused by faulty PRAM settings, so our first suggestion is to reset the PRAM if you are experiencing WiFi difficulties. The update does force the computer to reset twice, which indicates some hardware settings may have been changed with this update.
To reset the PRAM, reboot the computer and hold the options-command-P-R keys down until the computer resets and makes the boot chimes again. It will keep resetting until you release the keys (just hold them for one or two resets) and then release the keys and allow it to boot normally. After this some settings such as the mouse pointer speed and system volume may be different, but the WiFi connections should hopefully be working again.
In addition to a PRAM reset, try removing and re-adding the airport interface in the Network system preferences. Be sure to write down the settings for the connection, and then highlight it and click the "-" button to remove it. Then click Apply to save the changes and re-add the interface by clicking the " " button.
Lastly, reapplying the combo updater has worked for a few people, so try downloading it from here and applying it when booted into Safe Mode.
Topher has been an avid Mac user for the past 10-15 years, and has been a contributing author to MacFixIt for just over a year now. One of his diehard passions has been troubleshooting Mac problems and making the best use of Macs and Apple hardware both for family and friends, as well as in the workplace. He and the newly formed MacFixIt team are hoping to bring enhanced and more personable content to our readers, and keep the MacFixIt community going here at CNET. If you have questions or comments for Topher or the other MacFixIt editors, feel free to contact us at http://www.macfixit.com/contactResources