Games crashing since new gpu

Adamjms3

Commendable
Aug 20, 2016
73
0
1,640
Ever since i have upgraded my gpu to a Msi OC Gtx 750 (1gb), games have been freezing and crashing.
Its really annoying and the only way to fix is to ctrl-alt-delete and wait 10 seconds (which is terrible in online games). Wondering if anyone can help?

MSI OC 1GB GTX 750
E7500
300W PSU
8GB RAM

:(