TravelMate 230/280 Service Guide
Page 113
... four short beeps every minute. Remove battery pack and let it cool for 2 hours. Internal speakers make noise or emit no sound comes from hibernation mode. Touchpad Keyboard Hard disk connection board Hard disk drive System board The system doesn't enter standby mode after ...opening the LCD. Press Fn+oand see if the computer enters hibernation mode. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error Action in Windows doesn't go higher than ...
... four short beeps every minute. Remove battery pack and let it cool for 2 hours. Internal speakers make noise or emit no sound comes from hibernation mode. Touchpad Keyboard Hard disk connection board Hard disk drive System board The system doesn't enter standby mode after ...opening the LCD. Press Fn+oand see if the computer enters hibernation mode. Audio driver Speaker System board Speaker System board Action in Sequence Power Management-Related Symptoms Symptom / Error Action in Windows doesn't go higher than ...