75Troubleshooting (Advanced)Cannot boot from a floppy diskz Check if there is a Panasonic external floppy disk drive connected (CF-VFDU03). It is not possible to boot from otherfloppy disk drives.z Check that the boot disk is correctly inserted.z Run the Setup Utility, and confirm the following settings.• [USB Port] and [Legacy USB Support] are set to [Enable] in the [Advanced] menu. (Î page 68)• [USB FDD] is the first device shown in [Boot priority order] in the [Boot] menu. (Î page 70)z Turn off the computer, and reconnect the external floppy disk drive.Windows startup is slowz This problem may be eliminated by adding external memory.*1z If you install resident software after purchasing this computer, disable the resident software.z Defragment the disk with the Disk Defragmenter.Disk Defragmenter may take some time. (The time required will depend on the disk capacity.)• About the defragmentationWhen files have been repeatedly written or rewritten to the hard disk, some files may become segmented and saved infragments. If this fragmentation continues, it may take some time to read from or write to the hard disk. The DiskDefragmenter is a function that sorts these fragmented files in the most efficient order and enables you to read from andwrite to the hard disk quickly.• How to defragment disks:A Click (Start) - [All Programs] - [Accessories] - [System Tools] - [Disk Defragmenter].z A standard user needs to enter an administrator password.B Click [Defragment now].Defragmentation begins. It may take a long time depending on the drive volume, etc.C When “Defragmentation is complete...” is displayed, click [Close].*1 The processing speed depends on the application software used, so this operation may not cause the processing speed to increase.Problems with Starting Up, Shutting Down and Sleep andHibernation