Sony PCG-F630 Manual

In order to improve the performance of your computer’s DVgate™ Motion 
software, the hard disk drive on your computer has been formatted with two 
partitions, C and D. DVgate Motion saves files to the D partition. This 
prevents large video captures from consuming the available space on your C 
partition. To maintain optimum performance of DVgate Motion, you should 
defragment or format the D partition regularly. The size of the D partition is 
approximately 7.2 GB* (PCG-F630) or 3.6 (PCG-F610)*.

* The size of your D partition may differ if you purchased a specially configured system.

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If you find that an application exhibits unexpected behavior (such as 
reduced video quality) after returning from a reduced power consumption 
mode, you should close that application before your computer enters a 
power-saving mode.

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If your battery level falls to less than 10 percent, you should either attach 
the AC adapter to recharge the battery or shut down your computer and 
insert a fully charged battery.

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Check that the computer is plugged into a power source and that it is 
turned on. Check that the power indicator on the front panel of the 
computer indicates that the power is on.

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Check that the battery is inserted properly and that it is charged.

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Make sure there is no diskette in the floppy disk drive.

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Confirm that the AC adapter and all cables are connected firmly, as 
described in “Connecting Peripheral Devices”  in the VAIO

 that came with your computer.