SonicWALL Wireless Access Dropping

I have a friend with a new SonicWALL TZ 100 Wireless-N in his home. There are several laptops used by the family, and one iPad. He calls to tell me that all the wireless devices are dropping connections to the SonicWall for 5 - 10 seconds several times an hour.

The laptops always reconnect, but it is annoying to the family.  I remember that other than choosing  WPA2 security and a passphrase, I left all settings default.

My question:

Looking for a list of best settings for reliable SonicWALL TZ 100 Wireless.  If it helps, we can just focus on 802.11g as the preferred band as the notebooks do not have n capability.
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jnoaubreyConnect With a Mentor Author Commented:
As usual, one does not hear the whole story from the TEU.
The customer was having trouble with ONE laptop, and it had a virus!
SonicWALL was responding as expected. Scrub the infection and the issue was resolved.
Thanks for the help!
Encryption can be either auto or chosen as TKIP/AES.  I remember a while back an issue with auto.  Change to one or the other and configure the wireless devices to match.  Also, are there other wireless access points near the TZ100?  It's possible the channels are stepping on each other.
Is the TZ100 running the latest firmware?  Can't hurt to upgrade if not.
sigh...without users, we'd have not job.
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