Hmm can say what PSU you use ? precise model ?
PSU? I assume you are not asking about the power supply unit.
Graphics card:
Name AMD Radeon HD 7700 Series
PNP Device ID PCI\VEN_1002&DEV_683D&SUBSYS_6886103C&REV_00\4&7188812&0&0008
Adapter Type AMD Radeon Graphics Processor (0x683D), Advanced Micro Devices, Inc. compatible
Adapter Description AMD Radeon HD 7700 Series
Adapter RAM (2,147,483,648) bytes
Installed Drivers aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
Driver Version 9.12.0.0
INF File oem197.inf (ati2mtag_R575A section)
Color Planes Not Available
Color Table Entries 4294967296
Resolution 1920 x 1080 x 60 hertz
Bits/Pixel 32
Memory Address 0xE0000000-0xEFFFFFFF
Memory Address 0xF7E00000-0xF7EFFFFF
I/O Port 0x0000E000-0x0000EFFF
IRQ Channel IRQ 4294967293
I/O Port 0x000003B0-0x000003BB
I/O Port 0x000003C0-0x000003DF
Memory Address 0xA0000-0xBFFFF
Driver c:\windows\system32\drivers\atikmpag.sys (8.14.1.6290, 540.00 KB (552,960 bytes), 12/19/2012 2:32 PM)