[Solution] Computer goes to sleep when idle for five minutes

Computer goes to sleep when idle for five minutes

My desktop recently began going to sleep when idle for just a few minutes.
It even goes to sleep during a printing job.
I have changed the settings to sleep never, hibernate never, and it still goes to sleep.
How do I go back to what it was: sleeping never?

OT: Sleep issues

Anwsers to the Problem Computer goes to sleep when idle for five minutes

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1  Whilst the symptoms seem to be pretty clear cut, please could you check that you are not using the Power saver power plan as its hidden properties can complicate fault-finding.  Similarly, check that you have not got any power plan timings [such as turning
off the hard drive] set to the time that the system goes to sleep unexpectedly.
2  Please check that the sleep is not ocurring at the time set for the screen saver to engage.  Again, this can confuse attempts to isolate the root cause of the problem.
3 Check that you do not have any PC maker's power management utility running [this is likely to apply to Samsung & Sony Netbooks] by checking the PC manual & the PC itself.
4 Check the entries in Device manager for any warnings, then try to update drivers -
particularly the display adapter driver as that accounts for many power management problems.
5 Run both the Maintenance & Performance troubleshooters at Control panel, Troubleshooting.
6 If the settings you put in & saved are not shown correctly in the power plan advanced options when you look at them again later then check this one next
When you configure power options for the active power plan in Windows Vista or in Windows 7, the changes are not reflected in the Power Options item in Control Panel
7 If that does not help then run the System File Checker to fix any corrupt files in Win7
http://support.microsoft.com/kb/929833
There is additional guidance on it in sfc.exe /scannow 
Please note that the first link also provides a procedure for extracting a list of unfixable errors into a text file in one of your own folders – this is a lot easier to work with than the full SFC results file [CBS.log].
8 Check your hardware compatibility
http://www.microsoft.com/windows/compatibility/windows-7/en-gb/Default.aspx at the support sites of the PC maker & the manufacturers of the connected peripherals.
9 You could run the power troubleshooter http://windows.microsoft.com/en-US/windows7/Open-the-Power-troubleshooter but all it's ever
done for me is argue the toss over how long I've set my monitor to stay on for.
10 See if the problem is caused by Windows itself or a third-party application.
Run the system in safe mode [see

What are the system recovery options in Windows 7] and then try Clean boot procedures [How to troubleshoot a problem by performing a clean boot]
11 There is also advice at in Windows Help & on other threads in this forum [search for
sleep problem].
Best of luck with this,

Run CHKDSK

• Go to the Start button.
• In the Search box, type "cmd" (without quotes) and press Enter.
• At the command prompt, type "chkdsk /r /f" (without quotes) and press Enter.
• Reboot your computer.

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