Sony Vaio VGN-FJ3S/W working,but no sound,camera is not working .

Specifications for VGN-FJ3S/W Operating System Windows XP Home Service Pack 2 Technical Platform Architecture Intel 915GM CPU Section Processor Name Intel Pentium M Processor Processor Manufacturer Intel Processor Speed (Mhz) 1730 Model 740 Type Pentium M L2 Cache (kb) 2048 Memory Memory Size (MB) 1024 Memory Speed (Mhz) 533 Memory Type DDR2 - PC2-4200 (SO-DIMM) Max. Supported Memory (MB) 2048 Display Diagonal Size (in) 14.1 Resolution 1024 x 768 Resolution Type XGA Graphics Graphic Card Name Intel 915GM Total Graphics Memory (MB) 128 Multimedia Audio Chipset ALC260 - 2-Channel High Definition Audio Codec Chipset Manufacturer Realtek Audio Type AC Link Drives Hard Drive SATA (GB) 100 Optical Drives Optical Drive CD x24, CD-R x24, CD-RW x24, DVD x8, DVD+R x8, DVD+RW x8, DVD-R x8, DVD-RW x6, DVD DL x4 Interfaces Memory Stick™ Slot Memory Stick™ Standard, Memory Stick™ PRO USB Port(s) (quantity) 3 USB Speed High/Full/Low USB Version 2.0 4 Pin i.LINK (IEEE1394) 1 Headphone Jack Yes Microphone Jack Yes A/V Out Yes VGA Yes Docking Station Connector Yes Features Internal Microphone Yes Camera Description VGA/640x480 Connectivity Modem Built-in Modem V.92 Wireless LAN Data transfer 54 Mbps max - Range 10m to 100m Ethernet network 10BASE-T/100BASE-TX/1000BASE-T Expansion Slots PC Card Slot 1 Battery Life / Profile 03:35 - VAIO Optimized (Brightness Level 5) Dimensions / Weight Height (mm) 21 Maximum Height (mm) 33 Width (mm) 340 Depth (mm) 253.5 Weight (g) 2100