Win98se won't power off after shutdown ?

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Win98se won't power off after shutdown ?

Postby user33331 » 2019-7-11 @ 10:09

Hello
Win98se won't power off after shutdown ?
- No "It is now safe to shut down your computer"-screen never appears.
- LCD screen just goes dark and HDD starts weirdly clicking, all fans work and such.
- I then press the power button to turn power off.
- I have a modern 2010 Bequiet! 650W PSU (fully modular) in a socket A assembly. Motherboard= MSI MS-6340 v3.
Is this true ?
"For a power off to work you need Advanced Power Management [APM] enabled in your computer BIOS."
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Re: Win98se won't power off after shutdown ?

Postby treeman » 2019-7-11 @ 10:15

from memory I think there was also APM that needs to be enabled through control panel - > power options
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Re: Win98se won't power off after shutdown ?

Postby user33331 » 2019-7-11 @ 10:29

How to know what older manufactured around 1998-2003 Win98 motherboards support this "power management"=Automatic shutdown of Win98se ?
https://devblogs.microsoft.com/oldnewth ... 0/?p=93315

In Award BIOS v4.7 there is under Power Management:
PM Control by APM= NO or YES. ( Is it this ? =*YES* )
Video Off Option= Always On or Suspend or All Modes. ( =*Always On* )
Last edited by user33331 on 2019-7-11 @ 10:44, edited 2 times in total.
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Re: Win98se won't power off after shutdown ?

Postby konc » 2019-7-11 @ 10:39

user33331 wrote:Is this true ?
"For a power off to work you need Advanced Power Management [APM] enabled in your computer BIOS."


Yes, this is true. Although when APM is not enabled (or available) you don't end up with a black screen but the "it's now safe to turn off your computer" message.
So in your case I suggest to download and install "windows 98se shutdown supplement" released by microsoft (it's official)
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Re: Win98se won't power off after shutdown ?

Postby oeuvre » 2019-7-11 @ 12:49

Rest of your PC specs like mobo and processor would help.
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Re: Win98se won't power off after shutdown ?

Postby user33331 » 2019-7-12 @ 03:52

MSI MS-6340 v3.(=Socket A: Duron. Bios= Award BIOS latest v4.7 from 2002.)
https://www.msi.com/Motherboard/support ... own-manual

I put: ( Did not help. When shutdown screen turns dark and fans, HDD are powered. )
PM Control by APM= YES.
Video Off Option= ALWAYS ON.
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Re: Win98se won't power off after shutdown ?

Postby konc » 2019-7-12 @ 07:11

user33331 wrote:MSI MS-6340 v3.(=Socket A: Duron. Bios= Award BIOS latest v4.7 from 2002.)
https://www.msi.com/Motherboard/support ... own-manual

I put: ( Did not help. When shutdown screen turns dark and fans, HDD are powered. )
PM Control by APM= YES.
Video Off Option= ALWAYS ON.


konc wrote:So in your case I suggest to download and install "windows 98se shutdown supplement" released by microsoft (it's official)
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Re: Win98se won't power off after shutdown ?

Postby kjliew » 2019-7-12 @ 10:52

ACPI should work better on this system. If you are open to reinstall Windows 98 SE, then I would recommend that you reinstall with "setup /pj /nm" to force ACPI enabled.
Also, check if the shutdown supplement patch has been installed on your installation. Your issue is clearly a shutdown issue that may have been addressed with the shutdown supplement patch.
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Re: Win98se won't power off after shutdown ?

Postby dr.zeissler » 2019-7-12 @ 11:05

you can also generate a acpi.reg and import that and make a hardware-detection(search new hardware) in order to test the acpi bios activity and implementation. Otherwise you can just install new with the flag mentioned above.
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Re: Win98se won't power off after shutdown ?

Postby retardware » 2019-7-12 @ 20:42

turn on full logging in msdos.sys and after the restart, view the .prv files to find out what driver got stuck in the windows' deactivation calls
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