Hi,
This could occur due to other application that might be running at the background on the laptop. Outdated display driver might also cause such issues.
What is the Model of the Acer aspire laptop?
Follow the steps and check if it resolves the issue.
Step 1:
Refer to the link to boot the computer in safe mode:
http://windows.microsoft.com/en-in/windows-8/dual-booting-boot-manager-boot-options
Check if the issue still occurs. If not, proceed to the next step.
Step 2:
Place the computer in a clean boot state and find out the cause of the issue.
You can refer to the link to place the computer in a clean boot state:
“How to perform a clean boot to troubleshoot a problem in Windows Vista, Windows 7, or Windows 8”
Refer to the section “Windows 8”
You can refer the section “How to determine what is causing the problem by performing a clean boot” to check for the application or program that is causing this issue:
http://support.microsoft.com/kb/929135
Note: Please refer section: How to reset the computer to start as usual after troubleshooting with clean boot of the Kb article to boot the computer in normal startup after fixing the issue.
To further troubleshoot the issue, I would suggest you to refer to the manufacturer website of the laptop to download and install the latest display driver.
Please let us know if the issue still persists.