TravelMate 2300/4000/4500 Service Guide
Page 88
...Symptoms Symptom / Error Battery can power on page 72. Action in Sequence Power option in Windows XP Hard disk drive Main board Driver of the portable computer. RAM module Main board Check BIOS revision Reinsert DIMM DIMM Main board Speaker-Related Symptoms Symptom / Error In... Windows, multimedia programs, no sound. Internal speakers make noise or emit no sound comes from actual size. Microphone cannot work Action in Sequence OS volume control Audio driver Speaker Main board Speaker Main board Audio driver Volume control in Sequence See "Check the Battery Pack...
...Symptoms Symptom / Error Battery can power on page 72. Action in Sequence Power option in Windows XP Hard disk drive Main board Driver of the portable computer. RAM module Main board Check BIOS revision Reinsert DIMM DIMM Main board Speaker-Related Symptoms Symptom / Error In... Windows, multimedia programs, no sound. Internal speakers make noise or emit no sound comes from actual size. Microphone cannot work Action in Sequence OS volume control Audio driver Speaker Main board Speaker Main board Audio driver Volume control in Sequence See "Check the Battery Pack...