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Dell Optiplex 990 Wake On Lan issues

Posted on 2011-10-05
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Last Modified: 2012-06-21
So we have bought 34 of these Dell Optiplex 990 Desktop PCs. About 50% of them I can get the WOL option to work. They are all the same configuration and they are all the same OEM image from dell. Other than windows updates these are pretty plain machines. To enable I went into the bios and turn on "WAKE ON LAN" to "LAN only" as that's the only option. I then go into the network interface and under power management I check the box "Wake on Magic Packet and Wake on Pattern Match" These are Intel 82579LM Gig Adapters on the board. Again about 50% seem to work just fine. I can put them into sleep mode and send WOL and it wakes up. In digging into the ones that don't work I found out that if I run from cmd elevated "powercfg -devicequery wake_armed" The ones that do work have the "Intel(R) 82579LM Gigabit Network Connection" Listed, but the ones that don't, don't have it listed. So i tried "powercfg -deviceenablewake "Intel(R) 82579LM Gigabit Network Connection" which adds just fine, but on a reboot it's not there. So it's like the setting does not take. Also with the intel driver there isn't a check box to "allow this device to wake the pc" option. Any help would be great, Dell's tech support blows so their no help. I guess I could call MS, but they may just point to intel. BTW running windows 7 pro.

Thanks

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Question by:matrixnetworks
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Expert Comment

by:marsilies
ID: 36922417
It sounds like it could be a BIOS option. Try updating the BIOS on the ones that aren't working. The most recent version BIOS for the Optiplex 990, A06, was just released last month:
http://support.euro.dell.com/support/downloads/download.aspx?c=is&cs=isbsdt1&l=en&s=bsd&releaseid=R309592&SystemID=PLX_990&fileid=467593

Note, if the BIOS isn't currently version A05, upgrade to that before upgrading to A06. File for A05 here:
http://support.dell.com/support/downloads/download.aspx?c=us&cs=RC956904&l=en&s=hied&releaseid=R305398&SystemID=PLX_990&fileid=460412
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Expert Comment

by:marsilies
ID: 36922421
Note, I meant it could be a BIOS problem.
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LVL 8

Expert Comment

by:teomcam
ID: 36922821
They fixed a lot of problem with the A06 BIOS update. BUT first you must update to A05 then A06!
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Accepted Solution

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matrixnetworks earned 0 total points
ID: 36925432
It wasn't a BIOS issue, but I did it get working.
What didn't work
powercfg -deviceenablewake "Intel(R) 82579LM Gigabit Network Connection"
This would show as set, using powercfg -devicequery wake_armed, but on a reboot it didn't take

Looking into powershell, this seemed to work.

****
$namespace = "root\WMI"
Write-Host "Enable `"Allow the computer to turn off this device to save power`""
Get-WmiObject  Win32_NetworkAdapter -filter "AdapterTypeId=0" | % {
  $strNetworkAdapterID=$_.PNPDeviceID.ToUpper()
  Get-WmiObject -class MSPower_DeviceEnable -Namespace $namespace | % {
    if($_.InstanceName.ToUpper().startsWith($strNetworkAdapterID)){
      $_.Enable = $true
      $_.Put() | Out-Null
    }
  }
}
   
   
Write-Host "Enable `"Allow this device to wake the computer`""
Get-WmiObject Win32_NetworkAdapter -filter "AdapterTypeId=0" | % {
  $strNetworkAdapterID=$_.PNPDeviceID.ToUpper()
  Get-WmiObject -class MSPower_DeviceWakeEnable  -Namespace $namespace | % {
    if($_.InstanceName.ToUpper().startsWith($strNetworkAdapterID)){
      $_.Enable = $true
      $_.Put() | Out-Null
    }
  }
}
****
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Author Closing Comment

by:matrixnetworks
ID: 36947380
We fixed our selfs
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