You can find or download DRIVER FOR LENOVO 3000 C100 NOTEBOOK from this page:

http://www-307.ibm.com/pc/support/site.wss/product.do?template=/productpage/landingpages/productPageLandingPage.vm&brandind=10&familyind=299114&machineind=
0&modelind=0&partnumberind=0&subcategoryind=0&doctypeind=9&doccategoryind=0&operatingsystemind=
49979&validate=true&nextdocumentset=1

From the above page, you can find or download such as:

InterVideo WinDVD software update

InterVideo WinDVD Creator update for Windows Vista, XP, 2000, 98SE - Desktops / Notebooks
 
PC-Doctor for Windows - Desktops / Notebooks
 
Rescue and Recovery patch to optimize space allocation of backups
  
System Update 3.10
  
Adobe Flash Player for Windows - Desktops / Notebooks
  
Maintenance Patch for ThinkVantage Rescue and Recovery 4.x for Windows Vista
 
Rescue and Recovery 4.1 for Windows Vista
  
Maintenance Patch for ThinkVantage Rescue and Recovery 4.x for Windows XP and 2000
 
Rescue and Recovery 4.1 for Windows XP and 2000
 
ThinkVantage Access Connections for Windows Vista - Notebooks
  
ThinkVantage Access Connections for Windows XP, 2000 - Notebooks
 
Critical patch for Rescue and Recovery 4.0 for Windows Vista
  
Plug-in for ThinkVantage Productivity Center and Lenovo Care that enables support for various 3rd party applications - Desktops / Notebooks
 
Lenovo Care Pack for Windows Vista 32-bit and 64-bit, XP - 3000 Family notebooks
  
PC Doctor for DOS - 3000 C100, C200, N100, V100
  
Rescue and Recovery 4.0 for Windows 2000 and XP
  
Rescue and Recovery 4.0 for Windows Vista
  
Critical patch for Rescue and Recovery 4.0 for Windows Vista (64-bit only)
 
Microsoft Windows XP Hotfix KB896613 - Desktops and Notebooks
  
BIOS update utility - 3000 C100
  
Rescue and Recovery Critical Patch for Windows Update (KB917422)
  
PC-Doctor for Windows - Desktops / Notebooks
 
Utility to update and correct the icons in Roxio Digital Media LE or Multimedia Center for Think Offerings
  
Universal Audio Architecture (UAA) High Definition Audio class driver (Q888111) for Windows XP with Service Pack 2

Maintenance Patch for ThinkVantage Rescue and Recovery v3.10.0017
  
Presentation Director for Windows XP - 3000 C100, N100, V100
 
Hotkey driver for Windows XP - 3000 C100
 
Power management driver for Windows XP - 3000 C100
  
Roxio Express Labeler update - 3000 C100, J100, J105, J110, J115, N100, V100
 
Common Microsoft Windows XP update modules (US only) - ThinkPad R51e, X41 Tablet, X60, X60s, X60 Tablet, T60, T60p, Z60m, Z60t, 3000 C100, N100
  
Intel Display driver (915GM/GMS, 910GML) for Windows XP - 3000 C100
  
Modem driver for Windows XP - 3000 C100
 
Broadcom Wireless LAN Driver for Windows XP - 3000 C100
  
Intel Chipset INF Support for Windows XP - 3000 C100
  
Audio Driver for Windows XP - 3000 C100
 
Help Center - 3000 C100, N100, V100
 
Intel PRO 2915abg Mini PCI adapter wireless software for Windows XP - 3000 C100
 
Realtek LAN Driver for Windows XP - 3000 C100
 
Multi Card Reader driver for Windows XP - 3000 C100
  
Bluetooth with Enhanced Data Rate Software for Windows XP - 3000 C100