macbook pro will connect to wifi but iMac will not
iMac (21.5-inch, Late 2013), OS X Mavericks (10.9.5)
It would be great if you gave us more details.
What OS X version you have installed on your iMac and MacBook, have you tried setting up your Wi-Fi network from scratch?
Did you get working DNS server addresses? Many times the problem is broken DNS servers, or the DHCP server did not provide DNS servers.
Have you tried rebooting your WiFi base stations/router? It is your first level of DNS server in most instances, and it is also the other half of your WiFi connection. Maybe it is not happy with the iMac? Reboot/power cycle the WiFi base stations.
What information is in your System Preferences -> Network -> Advanced -> WiFi
System Preferences -> Network -> Advanced -> TCP/IP
System Preferences -> Network -> Advanced -> DNS
Have you tried
Hold "Option" key -> Click on the WiFi menu bar icon -> Select Wireless Diagnostics -> run through the diagnostics
IMAC SOFTWARE - OS X 10.9.5 AND MACBOOK IS YOSEMITE 10.10.3
macbook pro will connect to wifi but iMac will not
