How to load PSU on 100%

[LukaTCE]

So how to load PSU on 100%. Becouse if i enable SLI my pc freeze in games like BC2 and also in furmark when i disable SLI everything is fine. I had same problem with prevous config Q9450,5850,P5KC
now
555,gtx 560SLI,990fxa-ud3
LC Power Arkangel 850W is 3 and half years old

 

[Tsumi]

Best info that I can find on it speculates that it is similar to the Thermaltake Toughpower series, which makes it a decent power supply.

Sounds more like you're having driver/software issues rather than issues with your power supply. That 850w is more than enough to handle your system.

Best way to load up your system on full without SLI is to get a second monitor, attach it to the second card, and run two instances of furmark while also running IBT.