Lenovo ThinkPad X61 (Hebrew) Service and Troubleshooting Guide - Page 27
PS/2 TrackPoint, Power-on self, test - POST, Critical low-battery error
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PS/2 TrackPoint Power-on self test - POST 50 Critical low-battery error AC ³¡¨¦ AC Fn AC 4 AC 19 3 ±²®
19
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3
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PS/2 TrackPoint
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Power-on self-)
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50
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Critical low-battery error
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