Patrick Marshall answers your tech questions. This week's topics cover the Start button on monitor screens failing to function and an alert sound on a PC that's becoming more frequent.

With Windows Blue, a k a Windows 8.1, Microsoft is re-introducing a Start Button and adding a boot-straight-to-desktop option. Here's how these may work.

If not, then click on the Start button to start the Service. Check if you can enable the Windows Update service or not. Related: One of the update services is not running properly in Windows.

The original Start button returns in Windows 10, but you also get this extra menu if you know where to look. Sarah Jacobsson Purewal/CNET ...

Windows Blue could restore the Start button, boot straight to the desktop "Windows 8.1" may let you pretend that the Start screen never happened.