Slow Performance Issues in Excel when Opening Saved Files

Summary: This article contains information about slow performance with Microsoft Excel and Realtek's audio driver.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

Waves MaxxAudio Service Application Causes Performance Issues in Excel

When you open a saved (USB, Network, Hard Drive, so forth) Excel spreadsheet, it takes 1-2 minutes before the Excel splash screen appears. This behavior should not happen if you open a new Excel spreadsheet and then open a saved Excel spreadsheet.

Cause

No cause information is available.

Resolution

Realtek Device

A solution to resolve this behavior is to update the Realtek audio driver to version 6.0.1.8142 or higher from Dell.com/Support.

You can use the following method to help identify if your system has a Realtek audio device.

  1. Open Device Manager. Press the Windows logo key and the R key simultaneously. This should open a Run Box.
    SLN306701_en_US__1Unknown_Device_Manager_ASM_01
     
  2. Type devmgmt.msc and click OK or press Enter.
     
  3. Device Manager opens.
    SLN306701_en_US__2Unknown_Device_Manager_ASM_02
     
  4. Click the arrow to the left of "Audio inputs and outputs." This should show the audio device on the System.
    SLN306701_en_US__3Device_Manager_Excel_ASM_01
     
Note: More information about Device Manager can be found here: How to Access Device Manager


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Article Properties
Article Number: 000126801
Article Type: Solution
Last Modified: 18 Jul 2025
Version:  5
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