When GPU is installed, MEMORY Pegs at 100% on Excel Scrolling

Problem: Over remote desktop connection, memory spikes on host computer to 100% & Excel freezes

Problem does NOT occur when GPU is removed or disabled in hardware manager

Same Problem on two systems (See Specs Below) using Excel Workbook over remote connection.

  • Local users on various system platforms have no problems with same workbook.
  • Remote user on home system (same used as remote client) has no problems with same workbook.

Problem Description:

Using the scroll wheel only scrolling up and down sheet 1 of the workbook for a few minutes:

  • Memory usage climbs quickly and pegs at 100% per Task Manager Performance Tab
  • Power Usage freezes at VERY HIGH per Task Manager Performance Tab
  • Worksheet becomes non-responsive & unusable

Remote Connection Information:

  • Remote connection is via Remote Desktop Connection client through a Sophos VPN to company network.
  • CLIENT: Remote side Internet Connection 300 Down / 30 Up
  • HOST: Company side Internet Connection 100 Down / 100 Up

Workbook Information (Sheet 1)

  • 20 columns/582 rows
  • In use without problems for over 6 years by up to 20 users
  • 100% Free of Volatile Functions
  • No Circular References
  • Automatic Calculations set
  • File Size is about 4 MB
  • Lots of Conditional Formatting, VBA Code

Cures tried with no positive results

  • Excel in Safe Mode
  • Hardware Acceleration Enabled and Disabled in Excel options
  • Multi-Thread calculations Enabled and Disabled in Excel options
  • Excel Open & Repair – no issues found
  • Remote Session Environment: “Use the hardware default graphics adapter for all Remote Desktop Services sessions” Enabled
  • Remote Session Environment: “Use the hardware default graphics adapter for all Remote Desktop Services sessions” Disabled
  • Deleted all Macros, and Data in cells – only cell colors & navigation buttons remained

SYSTEM 1

  • Processor AMD Ryzen Threadripper PRO 5955WX 16-Cores 4.00 GHz

  • Installed RAM 32.0 GB (31.9 GB usable)

  • System type 64-bit operating system, x64-based processor

  • Video Card NVIDIA T1000 8GB

  • Disk 1TB SSD

  • Edition Windows 11 Pro

  • Version 21H2

  • Installed on ‎5/‎17/‎2022

  • OS build 22000.708

  • Experience Windows Feature Experience Pack 1000.22000.708.0

  • Microsoft® Excel® for Microsoft 365 MSO (Version 2205 Build 16.0.15225.20172) 64-bit

  • Windows 11 & Office 365 – Set to Automatic Update

SYSTEM 2

  • Processor Intel(R) Core™ i7-7700K CPU @ 4.20GHz 4.20 GHz

  • Installed RAM 32.0 GB (31.9 GB usable)

  • System type 64-bit operating system, x64-based processor

  • Video Card NVIDIA Quadro M4000 8GB

  • Edition Windows 10 Pro

  • Version 21H2

  • Installed on ‎9/‎9/‎2020

  • OS build 19044.1645

  • Experience Windows Feature Experience Pack 120.2212.4170.0

  • Microsoft® Excel® for Microsoft 365 MSO (Version 2205 Build 16.0.15225.20172) 64-bit

  • Windows 10 & Office 365 – Set to Automatic Update