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General Interest Too Many Errors Attempting to Process Camera Data
General Interest

Information in this article applies to:

  • uScope Navigator V4.3 and Later

Article ID: NGN1150 — Created: 14 Feb 2018 — Reviewed: 10 Aug 2020

Symptom

Camera Error: Too many errors... When calibrating the cameras or when scanning a slide, a Camera Error window appears displaying the following message:

Too many errors attempting to process camera data.

Select a slower camera speed on the Advanced Settings panel in Program Options and try again.

What does this error message indicate and what should I do to fix it?

Cause

This message indicates that incomplete images are being received from the uScope. It is caused when the camera transmits data over the USB port faster than the computer can respond. This can occur on slow computers or when using an overloaded USB2 port. This error can also occur when connecting the uScope to a USB3 port.

Note
You will receive this message only when calibrating the cameras or browsing a slide. You should correct this problem before attempting to scan a slide. When image data is lost while scanning, there is no way to recover and the scan will include incomplete image artifacts (refer to Region Scans have Dropped Frames for more information).

Resolution

There are a number of things to try to resolve this issue:

  1. You should first try to reduce the camera speed to a level that your computer can process. Refer to Adjusting Camera Speed for more information.
  2. Make sure that you are using a USB2 port and not a USB3 port. USB3 ports typically have a blue connector key while USB2 are typically black or white.
  3. Enable the High Performance power option and disable power-down modes for the USB controller. Refer to Changing Windows Power Options for more information.
  4. Disconnect other USB peripherals that may consume high bandwidth. For example, external hard drive, video camera, and so on.
  5. Check the BIOS settings to make certain the USB ports are set for USB2 mode. Some PCs have on-board USB ports that can work as USB2 or USB3 ports.
  6. For desktop PCs, try a dedicated USB2 plug-in card. This USB2 card, available from Amazon, works very well.

If none of the above suggestions helps, you may need to try using the uScope with a different computer.

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