I had a Compaq/HP tc4200 with a dim screen after installing Windows 7. It was barely readable and causing considerable eyestrain. The function keys, that should have adjusted the brightness, did not work. I wondered if it was a issue with the graphics driver.

In addition, there is an issue with the ambient light sensor. In fact the two issues are very closely related, and could be entirely due to the ambient light sensor.

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Download Windows 7

  • Don’t have an install disk?
  • Need Windows 7, 8.1 or 10?

Note: You need a license key

The digitalriver.com web site no longer functions.

Go to How to Install Windows 7 Without the Disc

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or for Thai versions