Computr not always shuting down properly

  NJ4959 12:24 06 Jul 09
Locked

My computer has an Intel Q6600 CPU and Asus P5QL-E motherboard. I am running Windows Vista Home Premium with SP1 added.

Sometimes, when I shut the computer down (using the correct procedure) the screen always blanks, but the power light remains on and the CPU fan continues spinning. I then have to hold the power button in for several seconds before it fully shuts down. There is no pattern to this, it is totally random, sometimes it shuts down properly, other times it doesn't.

Any suggestions?

  awest3 14:26 06 Jul 09

Found these on the web...may help..both from Elephantboy

It is fairly common for Windows to hang while trying to shutdown. Some
application or process is telling Windows that it is still busy and
Vista simply waits for it to finish and let go of it's memory handles.
When Vista and whatever is causing the hang aren't communicating,
Vista will just wait, and wait and wait until you get disgusted and
kill it. When you shutdown get in the habit of closing down everything
yourself BEFORE you shut down the system. Don't leave anything like
Windows Explorer open, not even on the Task Bar. CLOSE IT! Then you
rarely see this problem unless you have a problem application that
does it regardless. No surprise the biggest offenders are internal
Windows applets like Explorer.


and

Shutdown issues are generally caused by a program and/or process that is
refusing to exit gracefully. The program and/or process can be from malware
or can be legitimate (such as an invasive antivirus like Norton or McAfee).
If you are using a Norton or McAfee product, uninstall it and replace with
a better program such as NOD32, Kasperksy, or Avast (free). The Windows
Firewall is adequate for most people. With Vista, shutdown issues can also
be caused by old/poorly written drivers so make sure all drivers are
updated. See Step B. below for general driver directions.

A.The first step is always to make sure your computer is virus/malware free.

[url]click here[/url]

B. Drivers - The First Law of Driver Updates is "if it ain't broke, don't
fix it". Normally if everything is working you want to leave things as they
are. The exception is that heavy-duty gamers will usually want to update
their video and sound drivers to squeeze every last bit of performance out
of the hardware to get the fastest frame rates. If you're not one of those
people, you don't need to update your drivers if there are no problems you
are trying to solve.

Never get drivers from Windows Update. Get them from:

1. The device mftr.'s website; OR
2. The motherboard mftr.'s website if hardware is onboard; OR
3. The OEM's website for your specific machine if you have an OEM computer
(HP, Dell, Sony, etc.).

Read the installation instructions on the website where you get the drivers.

To find out what hardware is in your computer:

1. Read any documentation you got when you bought the computer.
2. If the computer is OEM, go to the OEM's website for your specific model
machine and look at the specs (you'll be there to get the drivers anyway)
3. Download, install and run a free system inventory program like Belarc
Advisor or System Information for Windows.

[url]click here[/url] - Belarc Advisor
[url]click here[/url] - System Information for Windows

C. If the computer is virus/malware-free, drivers are current, and no Norton
or McAfee programs are installed, then do clean-boot troubleshooting to see
which program/process is the culprit:

How to perform a clean boot in Vista and XP -
[url]click here[/url]

D. If you need more information, here is an excellent shutdown
troubleshooter:

[url]click here[/url]

Standard caveat: If troubleshooting the issue is too difficult - and there
is absolutely no shame in admitting this isn't your cup of tea - take the
machine to a computer repair shop. This will not be your local
BigComputerStore/GeekSquad type of place. Get recommendations from family,
friends, colleagues.
Al

  NJ4959 14:27 08 Jul 09

Thanks for your help. Quite few things to try. When I find one that works, I will post the result on here.

  Clapton is God 14:37 08 Jul 09

"I am running Windows Vista Home Premium with SP1 added"

So, now might be a good time to install SP2.

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