Lenovo 90CS User Manual page 5

Troubleshooting and Confirming Setup ................................. 21
Troubleshooting Display Problems ............................................................22
Troubleshooting Audio Problems ..............................................................23
Troubleshooting Software Problems .........................................................24
Troubleshooting Problems with Optical Drives and Hard Disks .................24
Special considerations for troubleshooting Windows ................................25
Windows Help and Support .....................................................................26
BIOS setup utility ......................................................................................26
Performing Daily Maintenance Tasks ........................................................27
Hardware Replacement Guide ................................................ 29
Locations .................................................................................................33
Replacing hardware .................................................................................36
Appendix. .................................................................................. 47
Declaration ...............................................................................................47
Trademarks ..............................................................................................48
Energy Star Statement .............................................................................48
Enabling ErP compliance mode ................................................................49
Electronic emissions notices .................................................. 50
Mexico regulatory notice ......................................................... 51
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