Lenovo ThinkPad E550 - Special Keys

Note:WhenyouattachaUSBcabletothisUSBconnector,ensurethattheUSBmarkisfacingupward.
Otherwisetheconnectormightgetdamaged.
Bottomview
Figure4.Bottomview
1Battery2Memory-upgradeslots
3Storagedrive
4Wireless-LAN-cardslot
1Battery
Useyourcomputerwithbatterypowerwheneveracpowerisunavailable.
2Memory-upgradeslots
Youcanincreasetheamountofmemoryinyourcomputerbyinstallingamemorymoduleinthe
memory-upgradeslot.MemorymodulesareavailableasoptionsfromLenovo.
3Storagedrive
Dependingonthemodel,thecomputermighthavealarge-capacity,customer-upgradableharddiskdrive
thatcanmeetvariousstoragedemands.
Somemodelshaveasolid-statedrivefordatastorage.Thesolid-statedrivemakesyourcomputerlight,
small,andfast.
Somemodelsareequippedwithahybriddrive,whichisastoragedevicethatcombinesNANDflash
solid-statememorywithharddiskdrivetechnology.
Note:Thehiddenservicepartitionisthereasonwhythereislessfreespacethanexpectedonyourstorage
drive.Thisreductionismorenoticeableonthesolid-statedrivebecauseofitssmallercapacity.
4Wireless-LAN-cardslot
YourcomputermighthaveawirelessLANcardinstalledinthisslotsothatyoucanestablishwireless
LANconnections.
Statusindicators
Thestatusindicatorsshowthecurrentstatusofyourcomputer.
6UserGuide