This page serves as a warning about other driver sites that offer so called tools to download touchscreen drivers for Windows 10 or 8. Firstly none of them have the drivers that are required. Drivers are almost always built into Windows. If your touch screen isn’t working there are few scenarios. And what drivers DO exist they will be listed below, but use at you own risk.

• The touch screen has been mis-configured, or calibrated (Try system restore to a time when it worked) or go to the device manger to see if there are any HID devices that have an explanation mark or a question mark, uninstall them then re-scan for hardware changes this may fix the issue.
• The touch screen is broken, this happens more than people think.

• The current Linux driver releases can be used in the following Linux versions: Linux Kernel Version 2.2.14 and 2.4.2, Xfree86 Version 3.3.6 and 4.03. We have checked for proper operation with the following Linux distributions: Red Hat Linux 7.1, Red Hat Linux 6.2J, Turbo Linux Server Japanese 6.1.
• Click Download to download a driver or utility from Panasonic CF-19 Driver. When the File Download appears, the download will start automatically. If the Download Complete window appears, click Close. File has been saved to your HDD. Install How to Install.
• Follow the link below and you'll enter the Toughbook Technical Download section, in which you'll find downloads covering drivers, manuals, BIOS and EC. Enter the download section. Panasonic publishes operating instructions in the local language of the countries where we directly make our products available, namely.

Don’t ever install any driver diagnostic tools from the big websites that offer these tools, they are ransomware.

Get your product drivers, certificates, manuals, and warranty information. Search for your product below to get started, or just download the latest driver. Search to find your product resources below.

Other things to try:

1. Restart the computer, given the stability of computers these days, people don't reboot much.
2. Clean the display with a soft, clean cloth. Sometimes a dirty screen will disable the touchscreen.
3. Click the start button and in the search box type 'Calibrate the screen for pen or touch input'. Choose the top result. In this area click the setup button and follow the instructions.
4. Go to 'Control Panel' and then 'Device Manager'. Select the 'Monitors' section and right click on your monitor. Check the information for the touch screen and make sure it is 'enabled'.
5. Repeat step 4, but instead choose 'Update driver software' from the right-click menu.

It has also been reported that on Windows 10 and Windows 8 that going to the Windows Device Manager and going through the HID devices and disabling them and re-enabling them can fix touch screen issues. From a Microsoft forum:

'Update Driver Software...'

'Disable'

'Uninstall'

'--------------'

'Scan for hardware changes'

'--------------'

'Properties'

Also worth trying is updating the system BIOS of computer.

There is a known issue with Windows 8 OEM not being compatible with touch screen devices. Many have suggested updating to a pro version, which is not worth the money.

Download Panasonic Touch Pen (com4) Drivers

Below there some older eGalaxTouch drivers for POS devices etc, that may be of use to someone.