Performance Problems Using USB Camera

• Microsoft Windows 95 OEM Service Release version 2.1
• Microsoft Windows 98

SYMPTOMS

When you use a USB camera with certain PCI video cards in Windows 95 OEM Service Release version 2.1 (OSR2.1), performance may be reduced or your computer may seem to stop responding (hang). Video playback may also be affected.

CAUSE

Certain PCI video cards may not work well with isochronous transactions, which USB cameras require. The video card may require several attempts to complete an operation.

RESOLUTION

To resolve this problem, use the following steps:

1. In Control Panel, double-click Display.



2. On the Settings tab, click Advanced Properties.



3. On the Performance tab, move the Hardware Acceleration slider to None.



4. Click OK or Close until you return to Control Panel. When you are prompted to restart the computer, do so.

Additional query words: 95 pcmcia

Keywords : kbenv osr2 win95 win98
Version : 95
Platform : WINDOWS
Issue type : kbprb