Computer type Laptop System Manufacturer/Model Number Dell Inspiron 1545 OS Windows 7 Home Premium 32-bit CPU Intel Dual Core 2.16GHz Memory 4 GB DDR2 Graphics Card Intel GMA 4500MHD Monitor(s) Displays 15.6"
Windows 7 includes many drivers for many devices. Some drivers are hardware specific while others are generic. They are installed along with the actual operating system. Once Windows 7 is installed, even more drivers can also be found by Windows Update. These tutorials give some more info:
Computer type Laptop System Manufacturer/Model Number Sony Vaio VPCEB47GM Laptop OS Win 7 Pro 64-bit CPU Intel i5 2.4 Ghz Memory 8GB DDR3 Graphics Card Intel HD 3000 Sound Card IDT High Definition Monitor(s) Displays 15.6 WGXA Anti-Glare LED Screen Resolution 1280x800
Hard Drives 640Gb 7200rpm Antivirus MSE Browser Opera (primary) with IE9 backup