I also have an Studio XPS 9100 with a similar problem. I ran the Dell Diagnostic and here are the results:
Error Code 0123.
Msg: Error Code 2000-0123
Msg: Memory – integrity test failed
Then, after test was continued, the entire computer froze displaying this message. The computer had to be hard reset.
** Memory – MATS Test **
Testing 00_0040000h – 00BF74FFFFh (3059 MB) with 8 CPU(s)
Test Results : System Error
Error Code 2000-0111
Msg: CPU 0 : Invalid TSS exception occurred
Test Results: System Error
Error Code : 2000-0111
Msg: CPU 0 : Debug exception occurred
