When I play games online such as halo 2, I will get random DC's that drop me out of the game, and then once I'm out my connection is working fine again. Any help?

Here are all my specs:

Version EVEREST v2.20.405
Homepage http://www.lavalys.com/
Report Type Quick Report
Computer STAPLES-PC
Generator The Hibbins Family
Operating System Microsoft Windows Vista Home Edition 6.0.6001 (WinVista Beta)
Date 2009-06-21
Time 21:17


--------[ Summary ]-----------------------------------------------------------------------------------------------------

Computer:
Operating System Microsoft Windows Vista Home Edition
OS Service Pack -
DirectX 4.09.00.0904 (DirectX 9.0c)
Computer Name STAPLES-PC
User Name The Hibbins Family

Motherboard:
CPU Type Mobile , 2000 MHz
Motherboard Name Unknown
Motherboard Chipset Unknown
System Memory 2816 MB
BIOS Type Unknown

Display:
Video Adapter ATI Radeon 3100 Graphics (256 MB)
Video Adapter ATI Radeon 3100 Graphics (256 MB)
Monitor Generic PnP Monitor [NoDB]

Multimedia:
Audio Adapter High Definition Audio Controller [NoDB]

Storage:
IDE Controller Standard AHCI 1.0 Serial ATA Controller
IDE Controller Standard Dual Channel PCI IDE Controller
SCSI/RAID Controller Microsoft iSCSI Initiator
Disk Drive FUJITSU MHZ2320BH G1 ATA Device (298 GB, IDE)
Optical Drive HL-DT-ST DVDRAM GSA-T50N ATA Device
SMART Hard Disks Status OK

Partitions:
C: (NTFS) 288500 MB (202867 MB free)
D: (NTFS) 7673 MB (7607 MB free)
Total Size 289.2 GB (205.5 GB free)

Input:
Keyboard Standard PS/2 Keyboard
Mouse HID-compliant mouse
Mouse Synaptics PS/2 Port TouchPad

Network:
Network Adapter Atheros AR9281 Wireless Network Adapter
Network Adapter Realtek RTL8102E Family PCI-E Fast Ethernet NIC (NDIS 6.0) (192.168.1.101)
Network Adapter the very cool connection (76.75.112.186)
Modem TOSHIBA Software Modem

Peripherals:
Printer Microsoft XPS Document Writer
USB1 Controller Standard OpenHCD USB Host Controller [NoDB]
USB1 Controller Standard OpenHCD USB Host Controller [NoDB]
USB1 Controller Standard OpenHCD USB Host Controller [NoDB]
USB1 Controller Standard OpenHCD USB Host Controller [NoDB]
USB2 Controller Standard Enhanced PCI to USB Host Controller [NoDB]
USB2 Controller Standard Enhanced PCI to USB Host Controller [NoDB]
USB Device Chicony USB 2.0 Camera
USB Device Realtek USB 2.0 Card Reader
USB Device USB Composite Device
USB Device USB Human Interface Device
Battery Microsoft AC Adapter
Battery Microsoft ACPI-Compliant Control Method Battery

Could someone please help?