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Acer Travelmate P645-S series battery reset may resolve no boot issues - Acer Community
<main> <article class="userContent"> <h3 data-id="what-can-i-do-if-my-acer-travelmate-p645-s-will-not-boot">What can I do if my Acer Travelmate P645-S will not boot?</h3> <p>You can try a battery reset if your computer will not boot on AC or battery power. If the battery reset procedure below resolves your issue, we recommend you download and install BIOS version 1.10 or later from the <a rel="nofollow" href="http://us.acer.com/ac/en/US/content/drivers">Acer Drivers and Manuals page</a>.</p> <iframe src="https://www.youtube.com/embed/NfhgnxUJoZo" frameborder="0" allowfullscreen="allowfullscreen" class="importedEmbed-iframe"></iframe> <ol><li>Unplug the AC adapter.</li> <li>Insert a paper clip into the battery reset hole on the bottom of the system for 5 seconds.</li> </ol><meta content="#TravelMate P645-S,#TravelMate P645-SG"></meta> </article> </main>