J´ai télécharger la NVIDIA Video Drivers for the 64 MB DDR NVIDIA GeForce 256 video card ( Version 4.12.01.0384 ) et voilà ce qu´on me dis:
Reinstalling the Windows® 98 SE Display Drivers for your NVIDIA GeForce Video Card
From the Start menu, click Start —> Settings —> Control Panel.
Double-click the Display icon to access the Display Properties dialog.
Click the Settings tab and then click the Advanced button.
At the Standard PCI Graphics Adapter Properties screen, click the Adapter tab and then click Change.
At the Update Device Driver Wizard screen click Next.
Select Display a list of all the drivers... and click Next.
Click the Have Disk… button. In the Install From Disk dialog box, type C:\DELL\DRIVERS\10384 and click OK.
From the Models list, click NVIDIA GeForce DDR AGP ( Dell) and then click OK.
Click Next and when copying is complete, click Finish.
Click Close on the Standard PCI Graphics Adapter Properties screen.
Click Close on the Display Properties screen and click the Yes button to restart your computer.
Changing Video Settings:
From the Start menu, click Start —> Settings —> Control Panel.
Double-click the Display icon to access the Display Properties dialog.
Click the Settings tab, then select the desired resolution and color palette.
Restart your computer to have your changes take effect.
The reinstallation of the Windows® 98 SE display drivers for your NVIDIA 64MB DDR GeForce Plus card is now complete.
Note: DirectX 7.0 ( or higher) must be installed with Windows® 98 SE to enable your AGP video card to function properly.
mais je ne sais pas où est ce " Start Menu " alors je peux rien faire 
