Windows 10: After Win10, HP desktop will not wake up from sleep
After Win10, HP desktop will not wake up from sleep
After an upgrade to Windows 10, my HP Compaq 6005 Pro Small Form Factor will not wake up properly from sleep. After sleep, if I press a key on the keyboard or press the power button, I hear the fan and hard drive start up, and the monitor goes from completely off to on yet black. (I can see a small difference, and the monitor reports that it receives a signal.) But nothing happens, including when I press various key combinations such as those which would cause rebooting. Sometimes my mouse pointer is visible but usually not. If so, the pointer will not move. If I hold down the power button, killing the power supply, and the press the power button again, the computer wakes up (not rebooting) to the condition it was before.
As a history, this machine had a clean Windows 7 install, then a Windows 10 upgrade, then a Windows 10 clean install.
[I have a vague memory that the computer originally went to sleep and woke up OK a few times, and now doesn't. However, my memory could be wrong.]
I have tried:
* all Windows updates
* using HP website for all relevant updates, including BIOS
* display adapter (graphics card) update
* Windows Power Usage Troubleshooter
* turning hibernation off and on again in the command line (powercfg /h off and on)
Thanks in advance
I don't now how to help you but will suggest for when you get if fix, turn off sleep and hibernate. My DVD player froze in sleep and when I googled for a solution there were freezes everywhere I googled, TVs, Computers, DVD players, etc. and no solutions that I could find. After that I turned off sleep in every electronic device I had. I had to pry open the tray to remove a hard to find movie and toss what was left of the DVD player in the trash.
In computers turn it off in the power settings then in the advance settings also.
Welcome to TenForums, kimock!
I hate to sound like a broken record here because this has come to my mind it seems 3 or 4 times in other threads over the last week, but have you tried disabling Fast Startup? Tutorial by Brink here: https://www.tenforums.com/tutorials/4...dows-10-a.html
Word Man: Thank you for the advice. I disabled fast startup, and unfortunately this did not resolve the problem.
Also, I disabled hybrid sleep (on a subsequent test), and this did not help. However, it did change how the computer restarts after a failed sleep, and this may offer a clue. Previously, when hybrid sleep was enabled:
- I clicked 'sleep'
- computer seemed to sleep
- quick press of power button leads to power (HDD spinning, etc) but a black screen
- long press of power button leads to:
- full boot, including the HP screen, the black Windows screen with the single blue window
- No login requirement
- resumption exactly where I had left it (e.g. which windows and applications are open)
Now, with hybrid sleep disabled, all is the same except
6. login required
7. No resumption; that is, all windows are closed
It is my understanding that sleep keeps the system state in RAM, which requires continuous power. Hybrid sleep writes the system state also to the HDD, in the event of a loss of power to the RAM. This implies that my computer had been relying on the system state written to the HDD to resume from hybrid sleep (which required the BIOS startup etc). Without hybrid sleep, the system state is lost. In turn, this implies that my RAM is losing power during sleep.
If this is true, how can ensure power to my RAM during sleep?
Hi Kimock: You said, "If I hold down the power button, killing the power supply, and the press the power button again, the computer wakes up (not rebooting) to the condition it was before."
- so if it had really been in Sleep mode, that shouldn't have happened.
What you're seeing there sounds more like resume from hibernation, as it's not a boot sequence.
Do you have hibernation enabled? If so, try disabling it.
dalchina: My understanding of 'hybrid sleep' is, with it, the computer performs both sleep (system state to RAM) and hibernation (system state to HDD) simultaneously, with the latter as a backup. (See this.) I agree: it appears that my machine is waking from hibernation, not sleep. But hibernation is not enabled. Hybrid sleep was. This implies a failure to maintain power to RAM.
Ok, so it is really a sleep related problem now I've read it again.
Appreciate you've already tried many perfectly reasonable things.
Have you done all the steps here:
Windows 7 wont wake up after sleep
Fix Windows 8.1 Does not Wake Up From Sleep - YouTube
Try here maybe:
Computer won't wake up from sleep - Windows 10 Forums
- follow the link in the last post (to a thread not about sleep per se).
dalchina and others:
Many thanks for your pointers. I tried everything (I think) at the various links that you provided. Things that I have tried:
* installed all Windows updates
* used HP website for all relevant updates, including BIOS
* updated display adapter (graphics card)
* Windows Power Usage Troubleshooter
* turned hibernation off and on again in the command line (powercfg /h off and on)
* disabled Fast Startup (now switched back on)
* disabled hybrid sleep (now switched back on)
* switched the BIOS setting for PCI Express x16 from x8 + DisplayPort to x16 (now switched back on)
(per Black screen - Windows 10 Forums )
* opened Device Manager and go into mouse and keyboard properties:
- unchecked "allow the computer to turn off the device to save power".
- Checked "allow the device to wake the computer".
- The mouse was already like this. (Notably, if I use the mouse to wake from sleep, I get the pointer on the black screen.) The keyboard did not have these options. (Old PS2 style)
- Then, for all USB Root Hubs, unchecked "allow the computer to turn off the device to save power".
* Did a 'clean boot', in which all non-Microsoft services are disabled.
* Typed "powercfg -devicequery wake_armed" in a cmd window (see Reports, below)
* Went into control panel>power options>in your preferred plan change plan setting>change advanced power settings>pci express>link state power management >change to off (it was already off)
* disabled all startup services in Task Manager
* disabled suspend to ram option in the BIOS
The problem remains.
C:\Windows\system32>powercfg -devicequery wake_armed
Logitech USB Marble Mouse (001)
Broadcom NetXtreme Gigabit Ethernet
Wake History Count - 1
Wake History 
Wake Source Count - 0
Event log of power troubleshooter: sleep troubleshoot - Pastebin.com
Energy report: energy report - Pastebin.com
Hi Kimock, well done, thorough.
Could you run this in a cmd prompt please?
Different System Sleep States in Windows 8 / 10
- (title is Win 8/10)
Also please state your exact processor model, as your PC seems to come with several possible processors.
HP Support document - HP Support Center
Might help anyone reading this thread.. Thanks.
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