How to Troubleshoot a Portege M200 Touchscreen

Written by ruri ranbe
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The Toshiba Portege M200 comes with a touchscreen, keyboard, mouse and stylus pen. Users can control the Toshiba Portege M200 as a regular laptop or flip over the lid and use the touchscreen as a tablet.

If the touchscreen displays a blank screen or distorted picture, the screen could be locked or the resolution might be set to the wrong ratio. General display errors could also be the result of an outdated video driver. To troubleshoot the Portege M200, check the system settings and upgrade the display driver.

Skill level:
Moderately Easy


    Blank Screen

  1. 1

    Hold down "Fn" and "F1" to reactivate the touchscreen. Press any key. If you've registered a screensaver password, enter it into the dialogue box when prompted. Press "Enter."

  2. 2

    Hold down "Fn" and "F5" for five seconds to restore the display to the touchscreen if you have connected an external display to the Toshiba Portege M200.

  3. 3

    Wake the Toshiba Portege M200 from standby or hibernation mode. Push and release the power button to reactivate the touchscreen.

    Distorted Picture

  1. 1

    Minimise all windows to go to the desktop. Right-click the desktop. Choose "Properties" from the contextual menu.

  2. 2

    Click the "Settings" tab. Move the slider below "Screen Resolution" to the left or right and click "Apply."

  3. 3

    Continue changing the resolution until the touchscreen display appears normal. Click "Yes" at the pop-up. Click "OK" to exit from "Display Properties."

    General Display Problems

  1. 1

    Go to Toshiba Support (see Resources). Choose "Laptops" from the categories.

  2. 2

    Select "Portege" as the family. Click "M200" from the list of models. Click "Go."

  3. 3

    Choose "Downloads" from the tabs. Choose your operating system from the first drop-down menu. Click "Display" from the second drop-down menu.

  4. 4

    Select the display driver from the list. Click "Download Now." Save the file to your desktop.

  5. 5

    Double-click the EXE file to launch the installer. Follow the on-screen prompts to upgrade the display driver on your Toshiba Portege M200.

Tips and warnings

  • If the Toshiba Portege M200 fails to respond when you apply pressure to the touchscreen with the stylus pen, replace the pen with an identical model. If the touchscreen still fails to respond, the screen might require replacement.

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