Why can't I change the brightness settings?
I changed the settings so that the brightness is automatic, now it won't let me reverse that. It won't let me change the brightness on the screen.
Repair information for the 7" Android tablet by Samsung. Fixing this device is straightforward, and requires only common tools. The Samsung Galaxy Tab is an Android-based tablet computer produced by Samsung. The 7-inch Samsung Galaxy Tab is the first model in the series. It was introduced on September 2, 2010