Service Guide
Page 95
...LCD cover switch System board Chapter 4 87 Audio driver Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings, then reboot system. Keyboard (if control is damaged. Touchpad Keyboard Hard disk connection board Hard disk drive System board ...See "Save to Disk (S4)" on page 42. Internal speakers make noise or emit no sound comes from hibernation mode. The system doesn't...
...LCD cover switch System board Chapter 4 87 Audio driver Speaker System board Speaker System board Action in Sequence Enter BIOS Setup Utility to execute "Load Default Settings, then reboot system. Keyboard (if control is damaged. Touchpad Keyboard Hard disk connection board Hard disk drive System board ...See "Save to Disk (S4)" on page 42. Internal speakers make noise or emit no sound comes from hibernation mode. The system doesn't...