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Document ID: c04528322

Version: 1

HP EliteBook, ProBook and ZBook Notebook PCs - Delay Noticed When Moving Windows to External Monitors While Using Internet Explorer in Classic Windows Mode

Notice:: The information in this document, including products and software versions, is current as of the release date.The document is subject to change without notice.

Release date : 10-Dec-2014

Last updated : 10-Dec-2014

The computer exhibits a noticeable lag time or delay when moving an Internet Explorer window between two external monitors. This only occurs when Internet Explorer is set to Classic Windows Mode.

Information in this document applies to the following:
  • HP EliteBook 840 G1 Notebook PC
  • HP EliteBook 850 G1 Notebook PC
  • HP ProBook 640 G1 Notebook PC
  • HP ZBook 14 Mobile Workstation
Operating Systems:
  • Microsoft Windows 7 Enterprise (64-bit)
  • Microsoft Windows 7 Ultimate (64-bit)
  • Microsoft Windows 7 Home Premium (32-bit)
  • Microsoft Windows 7 Home Premium (64-bit)
  • Microsoft Windows 7 Professional (32-bit)
  • Microsoft Windows 7 Professional (64-bit)
  • Microsoft Windows 7 Enterprise (32-bit)
  • Microsoft Windows 7 Ultimate (32-bit)
To resolve this issue, perform each of the following procedures.
Procedure 1: Enable Windows Aero:
  1. Click Start, right-click on Computer and select Properties.
  2. Click on Advanced System Settings from the left pane to open the System Properties window.
  3. Select the Advanced tab.
  4. Under Performance click Settings.
  5. Check the Enable Desktop Composition and Enable transparent glass options.
  6. Select Apply, then OK.
  7. Close the Advanced System Settings and the System Properties Window and restart the computer.
  8. Once signed back in, right-click on the Desktop, click Personalize, and select Windows Colors. Then verify Enable Transparency is checked. If it is not enabled, check it and save changes.
  9. Close the Personalization Window.
  10. Now click Start, then right-click Computer and click Properties.
  11. At the bottom of the Window, select Performance Information and Tools. You will be directed to the Windows Experience Index (WEI) screen.
  12. Click Re-run the assessment to refresh your WEI Index score. (If the Computer has not yet been rated, choose the option Rate This Computer. This process runs the assessment. It will take a few minutes to complete.
  13. Close the Performance Information and Tools Window when the process has completed.
    (The Re-run the assessment option will be available after the initial Rate This Computer function has been completed.)
  14. Right-click on the Desktop, and select Personalize.
  15. Select the Aero theme you want to use.
  16. Click Save Theme.
Procedure 2: Enable Desktop Windows Manager (DWM):
  1. Click Start.
  2. Type Services.msc into the Search field. If prompted by the User Account Control (UAC), provide a password or confirmation to continue.
  3. Scroll down until you locate the entry that is labeled Desktop Window Manager Session Manager.
  4. Right-click on this service. Select Start from the menu.
  5. Right-click once again on the entry. Select Properties from the menu.
  6. Select the General tab.
  7. Change the Start up Type to Automatic.
  8. Click Apply, then OK.
  9. Close the Services Window.
Procedure 3: Disable Graphics Processing Unit (GPU):
  1. Click Start, and then click Internet Explorer.
  2. Click the Tools icon in the menu, and then click Internet Options.
  3. Click the Advanced tab. Below Accelerated graphics, select the Use software rendering instead of GPU rendering check box.
    Figure 1: Internet Properties

  4. Click Apply, and then click OK.
  5. Close Internet Explorer and then restart it in order for the change takes effect.

Hardware platforms affected : HP EliteBook 840 G1 Notebook PC, HP EliteBook 850 G1 Notebook PC, HP ProBook 640 G1 Notebook PC, HP ProBook 650 G1 Notebook PC, HP ZBook 14 Mobile Workstation

Operating systems affected : Not applicable

Software affected : Not applicable

Support Communication Cross Reference ID : IA04528322

HP Inc. shall not be liable for technical or editorial errors or omissions contained herein.The information provided is provided "as is" without warranty of any kind.To the extent permitted by law, neither HP or its affiliates, subcontractors or suppliers will be liable for incidental, special or consequential damages including downtime cost; lost profits; damages relating to the procurement of substitute products or services; or damages for loss of data, or software restorationThe information in this document is subject to change without notice.HP Inc. and the names of HP products referenced herein are trademarks of HP Inc. in the United States and other countries.Other product and company names mentioned herein may be trademarks of their respective owners.






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