Windows 7 power sleep problem

Botsproef

New member
Local time
1:38 AM
Messages
4
Build a new HTPC and it's working, yeaah.
Only one problem remaining, it will not go in to power sleep.
However I can force it in to power sleep (in the shut down pull down menu), so it knows how to do it and it stays in power sleep.
But it won't do it by itself.

Been looking around the web and found several topics, also tried different things but the problem remains.

Any ideas on how to properly diagnose/troubleshoot this issue.

Thanks in advance for your support
 

My Computer My Computer

At a glance

Windows 7 home premium x64 service pack 1i5-2500kCorsair Vengeance 8GB DDR3-1600 CL9 kitAsus GTX 570
OS
Windows 7 home premium x64 service pack 1
CPU
i5-2500k
Motherboard
Z77a-GD55
Memory
Corsair Vengeance 8GB DDR3-1600 CL9 kit
Graphics Card(s)
Asus GTX 570
Monitor(s) Displays
Samsung
Hard Drives
OCZ vertex 2 128gb
PSU
Seasonic 850W
Case
Lian-li
Cooling
Prolimatech armagedon
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My Computer My Computer

At a glance

Microsoft Windows 7 Ultimate 64-bit 7601 Mult...Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz16.0GB Dual-Channel DDR3 @ 534MHz (8-8-8-20)1023MB NVIDIA GeForce GTX 650 (EVGA)
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Custome Built
OS
Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
CPU
Intel(R) Core(TM) i7 CPU 950 @ 3.07GHz
Motherboard
ASUSTeK Computer INC. SABERTOOTH X58 (LGA1366)
Memory
16.0GB Dual-Channel DDR3 @ 534MHz (8-8-8-20)
Graphics Card(s)
1023MB NVIDIA GeForce GTX 650 (EVGA)
Sound Card
(1) NVIDIA High Definition Audio (2) High Definition Audio
Monitor(s) Displays
HP W2072a LED Backlit
Screen Resolution
1920x1080@60Hz
Hard Drives
(1) SAMSUNG MMCRE28G5MXP-0VB SCSI Disk Device
(2) ST1000DM 003-1CH162 SCSI Disk Device
(3) WDC WD10EURX-73FH1Y0 SCSI Disk Device
PSU
XION XON-1000P14F
Cooling
Fans
Antivirus
Windows Security Essentials
Browser
Mozilla Firefox
Other Info
BIOS Version/Date
American Megatrends Inc. 1402, 8/9/2012
SMBIOS Version 2.5
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