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Windows 7: Dell Precision T5600 does not wake up from sleep

26 Apr 2017   #1
PLZ H3LP

Windows 7 Pro x64
 
 
Dell Precision T5600 does not wake up from sleep

The Issue

All (7) of the Dell Precision T5600s in a computer lab do not wake up after going to sleep.

Background Info

I work in the ITS department for an educational institution that has some T5600s in use in the Math/Computer Science department labs. We upgraded to Windows 10 last summer and later discovered that they do not wake up from sleep. At this point the user performs a hard reset to restart the machine. Due to numerous hard resets some hard drives were failing, prompting the call to ITS, etc. etc. Because these machines are all identical, all are experiencing these issues, so this is not an isolated incident.

System Specs

Dell Precision T5600 (2012)
  • 1 Intel Xeon E5-2603 (4 core, 1.8 GHz)
  • 4x2GB PC3L-10600R RAM
  • Nvidia GeForce GTX 560 SE (no integrated graphics)
  • 1 500GB WD5000 HDD
  • No additional PCI cards
  • Second CPU socket and RAM slots are empty
  • Windows 10 Enterprise, Windows 7 Enterprise/Pro (read on)
What I have tried

Prior to downgrading to Windows 7:
  • Disabling hybrid sleep and hibernate
  • Updating drivers for the storage controller, video card, usb controllers, etc. to the latest version.
  • Updating the BIOS to the most recent version (A14 for this model)
After downgrading to Windows 7:

NOTE: We have an image that we apply to our systems with some pre-installed software and several Windows updates already installed, which is what I used to downgrade.
  • Rolling back to drivers released prior to Windows 10
  • Using a different video card (specifically tried the GeForce 210)
  • Removing all Windows updates that were not yet released before the summer upgrade
  • Stopping and disabling as many services as possible
  • Uninstalling all end-user software (since this is a CS lab computer that includes Visual Studio and all that entails)
  • Installing Windows 7 Pro SP1 from a disc (so absolutely no 3rd party software installed beyond the Nvidia driver for the graphics card)
  • Physically transferred the hard drive containing Windows 7 from the T5600 to a Dell Optiplex 780, let Windows find the 780's drivers, restarted to apply the changes, and successfully slept and woke the 780 using the hard drive from the T5600. The only changes were the drivers.

Additional Notes
  • Windows 7 doesn't even boot if RAID is turned on. The drive must be imaged as AHCI-only. This makes the least amount of sense as these machines have RAID on by default. I suspect that this may be another symptom of whatever is causing the sleep issue.
  • If you didn't know, Windows 7 will not go to sleep with the basic VGA driver. The proper driver for the graphics card or integrated graphics must be installed before sleep is available.
  • This can't possibly be a group policy-related issue as I still encounter the issue on an unbound machine and also when I installed Windows 7 Pro from the disc.
  • Based on the troubleshooting I've done so far, the issue seems to be caused by either a bad driver update or a hardware issue.

My Question

I'm at my wits' end. I've done just about everything but replace the motherboard. Are there any other ways I can troubleshoot these machines? If this is a driver issue as I suspect, which one would it be? Have you seen anything remotely like this before?


My System SpecsSystem Spec
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 Dell Precision T5600 does not wake up from sleep




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