Might be something there to look at. I'm wondering if the speed is the problem; trying a 1066. Thanks.

According to PNY website and others (Crucial) what I purchased should be compatible. If I go into setup during boot, BIOS sees it fine.

Dell Inspiron N5010 Laptop with 4GB (2x2GB) RAM has been working for months, no problems, after upgrade from Win7 to Win10. Bought PNY memory (2x4GB) to improve performance and every time it boots I...