User documentation and guides for products sold on the Libre Tech Shop.
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(LC230) User Guide
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(LC230) Troubleshooting
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<h1 id="troubleshooting-common-problems">Troubleshooting & Common Problems<a class="headerlink" href="#troubleshooting-common-problems" title="Permanent link">¶</a></h1>
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<h2 id="heating-or-fan-issues">Heating or fan issues<a class="headerlink" href="#heating-or-fan-issues" title="Permanent link">¶</a></h2>
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<p>One possible challenge with a refurbished laptop is that there can be heating
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issues. All LC230 units that we sell are well tested for such issues to ensure
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that the laptop's CPU cools well during heavy CPU usage. This is done by
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ensuring two things:</p>
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<ol>
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<li>
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<p>The CPU fan is clean of dust and other foreign material that might affect
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its ability to offer good CPU cooling.</p>
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</li>
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<li>
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<p>The CPU fan's heatsink is able to conduct heat properly</p>
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</li>
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</ol>
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<p>Check out what a dirty and clean fan looks like.</p>
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<div style="text-align: center">
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<figure style="display: inline-block" >
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<img src="/images/dirty-fan.jpg" width="250" />
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<figcaption> A dirty fan! </figcaption>
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</figure>
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<figure style="display: inline-block" >
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<img src="/images/clean-fan.jpg" width="250" />
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<figcaption> A very clean fan! </figcaption>
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</figure>
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</div>
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<p>If you face any heating issues (or a noisy fan) a few months after purchasing a
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LC230, one thing that would help is cleaning the fan using an air blower.</p>
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<p>Here is what a clean CPU fan achieves:</p>
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<figure style="box-shadow: 0px 0px 20px #888888; margin-bottom: -2em;" >
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<img src="/images/htop.png" />
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</figure>
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<p><br></p>
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<figure style="box-shadow: 0px 0px 20px #888888;" >
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<img src="/images/stress-test.png" />
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</figure>
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<p>As you can see, even under very heavy CPU utilisation (and system load), the
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CPU fan running at <strong>5380 RPM</strong> is able to cool down the CPU to keep the core
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temperature around +84° C.</p>
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<h2 id="battery-management">Battery management<a class="headerlink" href="#battery-management" title="Permanent link">¶</a></h2>
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<p>In case your current LC230 battery does not give you sufficient backup, you can
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purchase a new 6-cell or 9-cell battery. The part numbers are as follows:</p>
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<ul>
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<li>Lenovo Thinkpad 6-cell Battery 44+ (Part Number: 0A36306)</li>
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<li>Lenovo ThinkPad 9-cell Battery 44++ (Part Number: 0A36307)</li>
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</ul>
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<h2 id="swapping-the-keyboard">Swapping the keyboard<a class="headerlink" href="#swapping-the-keyboard" title="Permanent link">¶</a></h2>
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<p>It is possible to use the Lenovo Classic keyboard (last seen on the X220
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Thinkpad model) with the X230. This involves three steps:</p>
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<ul>
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<li>Modifying the keyboard connector</li>
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<li>Flashing a modified BIOS (over the default Lenovo one)</li>
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<li>Replacing the palm-rest with an x220 one</li>
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</ul>
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<p>We will be glad to help you with this modification. The steps are detailed on the
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<a href="http://www.thinkwiki.org/wiki/Install_Classic_Keyboard_on_xx30_Series_ThinkPads">Thinkwiki</a>.</p>
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