Hi,
This issue may occur if the Keyboard drivers are not updated.
Let’s try the following steps and check.
Method 1:
You may try running the Windows Updates and install all the available updates including the optional driver and firmware updates.
Windows Update: Frequently Asked Questions
You may also refer to the link and try installing the Windows 8 drivers/software and check.
Sculpt Ergonomic
Keyboard.
If you are facing issues to install Windows 8 drivers, then try installing the Windows 8 drivers in Windows 8 compatibility mode and check.
You may download the drivers from the computer manufacturer website and trying installing it in Windows 8 compatibility mode:
Follow these steps to install the drivers in compatibility mode and check if that helps.
a. Download the driver from the manufacturer’s website.
b. Right-click on the driver setup file and click on
‘properties’.
c. Click on the ‘compatibility’ tab and check the box
‘Run this program in compatibility mode for’ and select Windows 8 operating system from the drop down menu.
d. Click on ‘Apply’ and click ‘OK’ and run the file to install it.
Method 2:
You may also refer to the article and try the steps provided to fix the issue.
Refer to the section “When I hold down some keys, they repeat until I release them” and check.
Troubleshooting: Keyboards
Regarding the issue related to keyboard not allowing monitors to go into power saving mode, you may try the following steps change the Power option settings and check.
a. Press Windows + X, select Control Panel.
b. Open the
Keyboard control panel item.
c. Click the Hardware tab, and then click
Properties.
d. Click the Change Settings button.
e. Click the Power Management tab, and uncheck the option “Allow this device to wake the computer”.
f. Click OK, and then click OK again.
Hope the information helps. Let us know if you need further assistance with Windows related issues. We will be happy to help.