Screen turns off! help

[Aartjan mulder]

Hi guys i have a problem (sometimes). Some times usely when webbrowsing mt screen turns of and 9/10 times my GPU (GTX 760 MSI) fans are spinning at 100% and my system crashes.

its really weard and i really want to know how and why this happens so maby you know it?

for the info i use Firefox

i have a
Intel Core i5 4570
MSI z87 G43
GTX 760 MSI
8 GB DDR3 G-Skill
1 TB HDD
128GB SSD (windows on it)
and a CX 750

 

[ffg7]

take your videocard out & use your onboard video to see if still have the problem. can you try another psu just in case yours is the problem?