21 Getting StartedOnce the message is no longer displayed, follow the steps below to delete all but the most recent restore point. If youdo not delete the restore points, the system files for languages other than the one selected will remain on the disk asbackup data for the restore points, and the operation of the computer may become unresponsive.A Click (Start). And input “cleanmgr.exe” in [Search programs and files], and then, in the list of results, click[cleanmgr.exe].B After a while, the “Disk Clean up for” setting screen appears.Click [Clean up system files] - [More Options] - [System Restore and Shadow Copies] - [Clean up] - [Delete] - [OK]- [Delete Files].C Restart the Computer. To change the partition structureYou can shrink a part of an existing partition to create unallocated disk space, from which you can create a new parti-tion. This computer has a single partition in the default setting.A Click (Start) and right-click [Computer], then click [Manage].z A standard user needs to enter an administrator password.B Click [Disk Management].C Right-click the partition for Windows (“c” drive in the default setting), and click [Shrink Volume].z The partition size depends on the computer specifications.D Input the size in [Enter the amount of space to shrink in MB] and click [Shrink].z You cannot input a larger number than the displayed size.z To select [Reinstall to the first 2 partitions.] in reinstalling Windows 7 (Î page 27), 60 GB or more is neces-sary for [Total size after shrink in MB].E Right-click [Unallocated] (the shrunk space in the step D) and click [New Simple Volume].F Follow the on-screen instructions to make the settings, and click [Finish].Wait until formatting is completed.NOTEz You can create an additional partition using remaining unallocated space or newly creating unallocated space.z To delete a partition, right-click the partition and click [Delete Volume] in the step C.