Best advice would be to uninstall the DSS. As you are finding it causes more issues then it helps. Go to Control panel Program and features and find the listing for Dell support Center and uninstall it.
Home Built Sandy Bridge P8P67 i7 2600k @ 4.5 GHz 8gigs GSkill Ripjaws. Corsair 800D Case and AX1200 Ps X-Fi Titanium Fatal1ty pro PCIe Sound Card
Dell Studio XPS 1645 Window 10 Pro
Forum member since 2003