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From: padgett%tccslr.dnet@mmc.com (Padgett Peterson)
Newsgroups: comp.virus
Subject: Unidentified virus? (PC)
Message-ID: <0012.9105232038.AA03593@ubu.cert.sei.cmu.edu>
Date: 23 May 91 14:37:40 GMT
Sender: Virus Discussion List <VIRUS-L@LEHIIBM1>
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Approved: krvw@sei.cmu.edu

>From:    ACDL004@SAUPM00.BITNET

>This rebooting continued even when I was in Norton commander..

>I turned the system off and on again.. There were No problem at the
>beginning.. But after 30 minutes( or so) It started rebooting as if
>the reset button is pressed..

Sounds to me more like a marginal power supply. Try opening the case
and running for a while and see if it changes (afer a thorough virus scan
of course). 30 minutes seems to be a critical "warm-up" time when a power
supply starts getting tired.