Imac, late 2013, video display hang up, lines, video drop outs. On iMac 21.5, late 2013 model.
iMac diagnostic reports "no issues found" (Code ADP000). Video is unusable most of the time. This happened soon after I installed 1Password7. Has the recent upgrade to 1Password 7 caused any video problems?
1Password Version: Not Provided
Extension Version: Not Provided
OS Version: Not Provided
Sync Type: Not Provided
Referrer: forum-search:imac video display problem
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