<div dir="ltr"><br><div class="gmail_quote">---------- Forwarded message ----------<br>From: <b class="gmail_sendername">Mike Dee</b> <span dir="ltr"><<a href="mailto:mikedee4@gmail.com">mikedee4@gmail.com</a>></span><br>Date: Mon, Feb 22, 2016 at 6:22 AM<br>Subject: Re: low battery shutdown<br>To: <a href="mailto:peter@easthope.ca">peter@easthope.ca</a><br><br>You might need "batman".<br><br><div dir="ltr"><a href="http://wiki.laptop.org/go/XO_Troubleshooting_Battery" target="_blank">http://wiki.laptop.org/go/XO_Troubleshooting_Battery</a><br><div><br></div><div><h1 style="color:rgb(0,0,0);font-weight:normal;margin:0px 0px 0.6em;padding-top:0.3em;padding-bottom:0.17em;border-bottom-width:1px;border-bottom-style:solid;border-bottom-color:rgb(170,170,170);font-size:23.876px;font-family:Arial,sans-serif;line-height:19.05px;background-image:none;background-repeat:initial"><span>Start here</span></h1><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px"><b>First, take a quick look at the battery, especially the black connector which contains the contacts that electrically connect the battery to the laptop.</b> Dried green crystals have been spotted around the connector on non-functional batteries on some occasions. This is from decomposition of the contact metal due to electrolysis in water. This may be cleaned with baking soda mixed with water, using a toothbrush. Wash your hands well afterwards. This may recover the battery, unless the contacts have become badly corroded.</p><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px"><b>Perform an <a href="http://wiki.laptop.org/go/XO_Full_Reset" title="XO Full Reset" style="text-decoration:none;color:rgb(122,54,150);background:none" target="_blank">XO Full Reset</a>.</b> If you know the problem is localised within a battery, this is unlikely to make any difference. Nevertheless, lets do it now to be sure.</p><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px"><b>Disconnect the battery, and connect the laptop to AC power</b>. Now turn on the laptop. After the system has loaded, insert the battery.</p><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px"><b>Does the battery LED start flashing red?</b> If so, jump to <a href="http://wiki.laptop.org/go/XO_Troubleshooting_Battery#Battery_LED_is_flashing_red" title="" style="text-decoration:none;color:rgb(122,54,150);background:none" target="_blank">#Battery LED is flashing red</a>.</p><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px"><b>Does the battery LED start flashing yellow?</b> If so, see <a href="http://wiki.laptop.org/go/XO_Troubleshooting_Battery#Battery_LED_is_flashing_yellow" title="" style="text-decoration:none;color:rgb(122,54,150);background:none" target="_blank">#Battery LED is flashing yellow</a>.</p><dl style="margin-top:0.2em;margin-bottom:0.5em;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px;line-height:19.05px"><dd style="line-height:1.5em;margin-left:2em;margin-bottom:0.1em"><em>For more information on the battery LED, see <a href="http://wiki.laptop.org/go/Power_management#Battery_LED" title="http://wiki.laptop.org/go/Power_management#Battery_LED" rel="nofollow" style="text-decoration:none;color:rgb(122,54,150);padding-right:13px;background:url("http://external.png") 100% 50% no-repeat" target="_blank">[2]</a>.</em></dd></dl><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px"><b>Is there no apparent response in the battery LED?</b> See <a href="http://wiki.laptop.org/go/XO_Troubleshooting_Battery#Battery_detection_diagnostics" title="" style="text-decoration:none;color:rgb(122,54,150);background:none" target="_blank">#Battery detection diagnostics</a></p><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px">Now fully charge the battery, and wait for the battery LED to go green. Now disconnect AC power and discharge the battery while the system is running, keeping an eye on the percentage charge.</p><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px"><b>Does the system shut down abruptly with over 10% of charge remaining?</b> If so, see <a href="http://wiki.laptop.org/go/XO_Troubleshooting_Battery#Laptop_shuts_down_abruptly_with_significant_charge_remaining" title="" style="text-decoration:none;color:rgb(122,54,150);background:none" target="_blank">#Laptop shuts down abruptly with significant charge remaining</a>.</p><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px">Now, starting with the battery completely discharged, perform a <a href="http://wiki.laptop.org/go/XO_Troubleshooting_Battery#Capacity_test" title="" style="text-decoration:none;color:rgb(122,54,150);background:none" target="_blank">#Capacity test</a> of the battery.</p><p style="margin:0.4em 0px 0.5em;line-height:19.05px;color:rgb(0,0,0);font-family:Arial,sans-serif;font-size:12.7px"><b>Is the battery capacity significantly lower than that of the rated specification?</b> If so, see <a href="http://wiki.laptop.org/go/XO_Troubleshooting_Battery#Battery_capacity_is_significantly_degraded" title="" style="text-decoration:none;color:rgb(122,54,150);background:none" target="_blank">#Battery capacity is significantly degraded</a>.</p></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Feb 22, 2016 at 6:17 AM, Mike Dee <span dir="ltr"><<a href="mailto:mikedee4@gmail.com" target="_blank">mikedee4@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">I don't have a 1.5, I have a xo-1. But the battery can build a memory, or whatever and need to be reconditioned. There is a process that is built in the firmware of the xo and the battery. I will look it up and post.</p><div><div>
<div class="gmail_quote">On Feb 22, 2016 6:13 AM, <<a href="mailto:peter@easthope.ca" target="_blank">peter@easthope.ca</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">When my XO 1.5 shows about 33% charge, the system shuts<br>
down with no warning. This is normal behaviour? I'd<br>
expect the system to allow the battery to reach a lower<br>
charge and ultimately warn the user that shutdown will<br>
be necessary after a predicted lapse.<br>
<br>
<a href="http://wiki.laptop.org/go/Battery_and_power" rel="noreferrer" target="_blank">http://wiki.laptop.org/go/Battery_and_power</a> should include<br>
something about system response to battery charge level.<br>
Is my system misbehaving? Are people installing an additional<br>
package to have a low battery warning?<br>
<br>
Thanks, ... Peter E.<br>
<br>
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Tel <a href="tel:%2B1%20360%20639%200202" value="+13606390202" target="_blank">+1 360 639 0202</a><br>
<a href="http://easthope.ca/Peter.html" rel="noreferrer" target="_blank">http://easthope.ca/Peter.html</a> Bcc: peter at easthope. ca<br>
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