Then you will need to reinstall the Symbol font.

--
Suzanne S. Barnhill
Microsoft MVP (Word)
Words into Type
Fairhope, Alabama USA
Word MVP FAQ site: http://word.mvps.org
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"weifang" wrote in message
...
Hi, I encounter similar problem. My minus "-" sign is missing and was
replaced by arrows. I cannot change L.C. Greek, U.C. Greek and Symbol to
Symbol, I only have Symbol PS and SI Symbol in my droplist. Please help.