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ACPI / SHUTDOWN PROBLEM

Posted on 2007-10-20
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Last Modified: 2012-05-05
Hi,
I have the dreaded "It is now safe to turn off your computer" message on shutdown.  I have a K7VT4A Pro with latest BIOS from ASROCK (1.80) and XP SP2B Home installed.  The board is supposed to be ACPI compliant but only shows as Standard PC in the Device Manager.
1.  I have tried the F5 option during install - only Standard PC option available.
2.  I have tried showing hidden devices in Device Manager and searched for the options in the various Microsoft articles... they are not available.
3.  There is no APM tab in Power Options.
4.  There are no ACPI adjustable options with the BIOS so nothing to change there.

Can anyone help please?

Thank you.
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Question by:TubaJanner
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Expert Comment

by:☠ MASQ ☠
ID: 20114483
Do you have all your chipset drivers for the board installed so that Windows knows how to talk to it correctly?
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Expert Comment

by:smiffy13
ID: 20114488
This is a weird problem that crops up from time to time. One solution that worked for me: try unplugging the PC from the wall and removing the motherboard battery for a few minutes. This will reset your bios, so take note of any bios changes you've made before you do it!
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Author Comment

by:TubaJanner
ID: 20114489
Thanks for prompt response.
I have the VIA 5.11 4-in-1 installed now, but of course they are not available when the PC installs from a RAW partition.  The chipset drivers gqave me no more options and have made no difference unfortunately.
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by:TubaJanner
ID: 20114507
Thanks smiffy,
No joy with this option either.  I closed the jumper previously and have now done as you suggested but the options on F5 during install are still Standard PC only.  I have built many PCs, I do it for a living, and have indeed solved this with other boards.  I just can't solve this one.
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by:☠ MASQ ☠
ID: 20114511
The board is ACPI 1.1 compliant, you should be able to see BIOS options for:

- Suspend to RAM
- Repost Video on STR Resume
- Restore on AC/Power Loss
- Ring-In Power On
- PCI Devices Power On
- PS/2 Keyboard Power On
- RTC Alarm Power On

See also System Board Manual: ftp://download.asrock.com/manual/K7VT4A%20PRO.pdf
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Author Comment

by:TubaJanner
ID: 20114520
Masquerqaid,
I have the PDF for the board here and yes indeed the options you list are those that I can see.  But to my knowledge none of them actually apply to the ACPI function?  Please correct me if I'm wrong with that.
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by:☠ MASQ ☠
ID: 20114575
No you're correct about that, I wanted to make sure there were no newer options available with your latest BIOS install.  Wonder if your BIOS is on M$'s list of "Bad BIOS's"?  ASRock do make some OEM boards that have reduced functionality.

You may already know but you can force XP to allow ACPI to be enabled by changing default install settings
http://support.microsoft.com/kb/314088 Although it means reinstalling XP you will know the ACPI options should be available.
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Author Comment

by:TubaJanner
ID: 20114652
Hi Masqueraid,
No I hadn't seen that MS Article and will try that straight away.  The strange thing is that this system has simply been reformatted to freshen the software and eliminate a couple of registry errors that the owner had caused by "fiddling".  The board was actually on XP previously and working... including auto shutdown through ACPI!!  How weird is this....

Thanks again very much for your continued help..... I will go try your suggestion now and post back with the outcome.
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Author Comment

by:TubaJanner
ID: 20114829
Still no good.  Have reverted to an older BIOS and it just will not play as an ACPI compliant board.  I have no idea what to try next!!
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Accepted Solution

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TubaJanner earned 0 total points
ID: 20114950
Success!  Please don't ask me why this worked cos I don't know.  I got a DOS floppy, FDISK and deleted the partition with DOS.  Created a partition but did not format it.  Restarted booting into XP SP2 disc and re-installed Windows.... as an ACPI Uniprocessor PC!!  I have no idea why, but it worked.  There's one to store in the appropriate section of grey matter for the future!

I'm new to EE but, as a PC tech, will also be glad to help others if at all possible.

Thanks Masqueraid & Smiffy13 for taking the time to help.
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Expert Comment

by:☠ MASQ ☠
ID: 20114964
Was it an OEM build originally? I'm guessing there is a driver set that's been missed.
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by:☠ MASQ ☠
ID: 20114982
Whoops - cross posted!

If there are no objections suggest this one is finalised by accepting TubaJanner's last post as the solution.
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Author Comment

by:TubaJanner
ID: 20114986
The system was initially built by me!  As I said in an earlier post, the ACPI was not an issue previously, in fact I have serviced & reformatted this PC a few times with no problems in the past.  It's so strange.

Anyway... all sorted now.

Thanks again.
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