"Não consegui encontrar registos de eventos relacionados com falha de hibernação. Existe algum relatório gerado noutro local?"
Solução de problemas do Windows 8.1 Sleep e Hibernate inclui instruções sobre onde procurar nos logs de eventos (veja abaixo).
Você também pode tentar o seguinte comando:
powercfg.exe /energy
Um relatório é gravado em C:\Windows\System32\energy-report.html
.
De acordo com o Guia definitivo de solução de problemas para o Windows 8.1 não vai dormir este relatório conterá quaisquer erros relacionados à suspensão / hibernação. Ele segue explicando como ler os relatórios e corrigir eventuais erros.
Fonte Guia definitivo de solução de problemas para o Windows 8.1 não vai dormir
Gerar relatório de energia
The power report you generate in Windows 8 or Windows 8.1 can sometimes tell you what is preventing the computer from going to sleep. I ran it and got some useful info. To run the power report, open an administrative command prompt and type in the following command:
powercfg.exe /energy
It’ll take about a minute or so to run and after it finishes, it’ll tell you how many errors and warnings were found. Hopefully, if you’re having this sleep problem on your Windows 8.1 machine, you’ll have some errors!
In order to view the report, you have to go to C:\Windows\System32 and open the energy-report.html file in your browser. However, for some odd reason, the file would not load in any browser when I tried to open it from that directory, so I just copied the report to my desktop and then opened it and it worked fine.
Fonte Solucionando problemas de suspensão e hibernação do Windows 8.1
When Windows 8.1 is having a problem, I am trying to train myself to begin troubleshooting by inspecting the Windows logs. At the Metro UItype "ev" and then look in "Settings".
A good place to start in the Event Viewer is with Summary of Administrative Events".
Follow-up by looking in the System Log and filtering for "Kernel-Power" entries.
Interesting items would include "The last sleep transition was unsuccessful", or "The system is entering sleep".
Source Modo Sleep não funciona no Windows 8.1
Press Windows+W and type "troubleshooting" in the search box. Click on the "Troubleshooting" from the search results so obtained.
In the following window, from the left hand side listed options, click on "View all".
Moving on, pick "Power" from the list so available, this would launch the Power Troubleshooter.
In the Power Troubleshooter, you have to click "Next" option:
This will start the automatic detection and fixing of issues.
- When the troubleshooting has been completed, you can click "Close".
Now you can reboot the machine, after restart, you’ll find that the issue is already fixed.
A fonte acima também inclui capturas de tela (omitidas por brevidade).