The Mudcat Café TM
Thread #88047 Message #1648739
Posted By: JudyB
15-Jan-06 - 10:32 AM
Thread Name: Tech: Is this noise a virus ?
Subject: RE: Tech: Is this noise a virus ?
Do you have a battery backup/Uninterruptible Power Supply (UPS) or other sort of voltage regulator? If so, it may need to be reset or have its batteries replaced - they chirp at regular intervals when they have a problem.