20 Most Recent BenQ FP531S (Silver) 15" LCD Monitor Questions & Answers

you probably have a loose wire in the unit, you might have a bad vga cable, except for the vga cable, you will probably need to send it in for service.

Take it in and have it bench tested. Terry

go to benq.com and download drivers there.

do you have internet connection? you see computer on task bar?

The problem is in the power supply board there is one or two capacitors that open, in some cases it will have slight puff at the top.

It is possible to bridge to another power supply. There are simple tutorials on YT to help and the process is not very invasive, if you do not wish to harm the current bezel. I was unable to find a switch online to match the model number. Maybe try something close enough to match.

If no issue with other inputs, check the compatibility of the frequencies and refresh speeds.

Go to settings >> system >> About device. Find "Build number" and click 6 times fast on it. Now go to Developer options >> Drawing Section or Rendering Section >> Find "Turn off hardware overlays" or "disable hardware overlays" >> This will force the phone to always use GPU for screen adjustments. no more flickering.

These cables are not different on each brand, they all use the same cable type, so go on eBay and you can find what you need.

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Restoring your Joybook to factory default settings: This process will ERASE ALL data on your system drive C: and restore the system to the default factory configuration. If this option is selected, all programs you installed or data you saved on the C: drive will be erased. However, data on the D: drive will not be affected. a. To restore your Joybook to its factory settings, click Full System Restore - Factory default settings under the Restore tab. b. Follow the on-screen instructions to complete the task.