Restart and then try to Shutdown your computer. At “ Power Management” tab, UNCHECK the “ Allow this device to wake the computer” option and press “ OK”.ħ. At “ Marvell Yukon PCI-E Gigabit Ethernet Controller” properties window choose “ Power Management”. “ Marvell Yukon PCI-E Gigabit Ethernet Controller”) and choose “ Properties”.ĥ. Right click on your network adapter(s) (e.g. Notice*: Repeat the same operation for all Network adaptersĤb. Now modify the power settings for your Ethernet (NIC) adapter(s). At “ Power Management” tab, UNCHECK the “ Allow this device to wake the computer” option and press “ OK”. At “ VIA 1394 OHCI Compliant Host Controller” properties window choose “ Power Management”. “ VIA 1394 OHCI Compliant Host Controller”) and choose “ Properties”.Ģ. Right click on your IEEE 1394 controller(s) (e.g. Look at the right pane and after expanding “ IEEE 1394 Bus host Controllers”,ġb. Notice*: Repeat the same operation for all IEEE 1394 Controllers.ġa. Modify power settings on your Firewire (IEEE 1394) device(s).* Step 2: Modify Power Settings for Firewire and Ethernet devices. Click “ Device Manager” at the left navigation pane. Choose “ Yes” to “ User Account Control (UAC)” warning message.ģ. Go to “ Start” and then right-click on “ Computer” and from the drop-down menu, choose “ Manage”.Ģ. To Open Windows device management on Windows 7 Operating System:ġ. If you face a similar problem with you computer, then try this solution: How to modify Power settings for hardware devices. 1005) – Motherboard: Asus P5K Deluxe / WiFi-AP.Īfter doing all these, without any success, the only solution that worked at last, was to modify the Power Settings for the on-board Firewire and Ethernet devices in Windows Device Management. Modification (Enable > Disable) ACPI / APIC settings inside BIOS Setup.Ħ. Installation of Microsoft HotFix (Fix297411) for similar problem. Fresh Installation of Windows 7 OS (Professional Version) and latest Windows updates.ģ. Notice*: All actions are performed without any external USB device(s) (e.g. The actions performed to resolve this problem, but without success, were the following: * In our case this problem appears on a customer's PC running Windows 7 OS with a Core 2 Quad Q8400 CPU (running at 2.66GHz) on a Asus P5K Deluxe motherboard. Sometimes in computers that run Windows 7 the following problem appears: When you try to do a shutdown, the PC doesn't turn off completely, with all fans and LED’s remaining on (working) and the only way to power it off completely is to continuously press the Power button.

Windows 7 display not turning off