New
#11
Remover Power Supply during Hibernation or Hybrid Sleep?
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New #12
I have a slightly off-topic question but I noticed something weird.
Before cleaning up the PC, if I completely shut down the PC, I'd always have to press the Power button several times before the PC finally boots up. It then boots up normally as if nothing happened.
At first I thought this might be a problem with the PSU but here's the weird part; When I put the PC into Hibernation Mode instead of shutting it down, pressing a key on the keyboard makes the PC boot up immediately, even if I've left the PC for a whole night in Hibernation Mode.
After cleaning up the PC, the PC boots up immediately even if I shut it down completely.
Is this still a problem with the PSU or could dust in the PSU (that I've cleaned) really be the cause of these symptoms?
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New #13
Hi Johnny, first you should always turn the computer off, remove power and drain the capacitors by holding the power button down for several seconds before entering the case to clean it or work on any components.
Once you restore power, the capacitors have to restore power and supply power to the Motherboard and components before it will start. That usually occurs within a matter of a few seconds. It doesn't hurt anything and will damage nothing.
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New #14
Thanks for your advice. I indeed always follow this procedure.
But I have another question. I had a problem for a long time until I cleaned my PC; I had to press the Power button several times before my PC actually booted up. After cleaning the PC, this problem is now gone. My question is if dust could've caused this problem or that it is a problem with my PSU.
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New #15
I've never had that issue so I'm not sure I can answer. However, I assume it could be possible and if cleaning the PSU solved the problem, it would be reasonable to assume that was in fact the problem.
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New #16
I don't not recommend doing any cleaning or maintenance in a computer with any power to the computer.
I know of no reason one would try to do such things while the computer is in sleep or hibernation.
Simple:
1. Close all programs and things you are working on. Just like you normally would.
2. Shut down the computer using the 'Shutdown Button' as you normally would.
3. Unplug the power supply from the wall outlet.
4. Hold down the tower/case start button for about 30 seconds. A little longer would not hurt any thing.
5. Ground yourself to the computer case to remove static electricity.
6. Do your cleaning and put things back together.
7. Plug the computer back into the wall outlet.
8. Turn on your computer as you normally would.
**The big thing is; don't tinker around inside a computer when their is power to it.
When a computer is in hibernation or sleep of any kind their is power to the computer.**
Jack
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New #17
If you disconnect the power then there is no power irrespective of the state of the PC when you did it.
If it was shut down, in sleep mode or on the desktop when you reconnect the power and restart it will do a full boot. The last 2 are not advisable as you may lose data and/or get a corrupt system.
If it was in Hibernate or Hybrid Sleep mode then when you reconnect the power it will restore the contents of RAM from disk and resume where you left off. That's why you can change a laptop battery when it is hibernating for example.
Having said that I always follow the same steps as you anyway :)
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