Lenovo 10090/2556/4748 [K415] Personal Computer User Manual


 
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Contents
Using the Software ................................................................... 29
Lenovo Support .......................................................................................30
Troubleshooting and Confirming Setup ................................. 31
Troubleshooting Display Problems ............................................................32
Troubleshooting Audio Problems ..............................................................33
Troubleshooting Software Problems .........................................................34
Troubleshooting Problems with Optical Drives and Hard Disks .................34
Special considerations for troubleshooting Windows ................................35
Windows Help and Support .....................................................................36
BIOS setup utility ......................................................................................36
Performing Daily Maintenance Tasks ........................................................37
Hardware Replacement Guide ................................................ 39
Locations .................................................................................................43
Replacing hardware .................................................................................48
Appendix. .................................................................................. 61
Declaration ...............................................................................................61
Trademarks ..............................................................................................62
Energy Star Statement .............................................................................63
Enabling ErP compliance mode ................................................................64