August 2, 200719 yr Author "Computer won't power off when I shut XP down.The most common reason for this problem is that ACPI (the Advanced Configuration and PowerInterface) isn't enabled. To enable it:Click Start | Control Panel, select Performance and Maintenance.Click the Power Options tab.Select APM - Enable Advanced Power Management Support.Click OK."I don't have any APM in the Power Options
August 2, 200719 yr "Computer won't power off when I shut XP down.The most common reason for this problem is that ACPI (the Advanced Configuration and PowerInterface) isn't enabled. To enable it:Click Start | Control Panel, select Performance and Maintenance.Click the Power Options tab.Select APM - Enable Advanced Power Management Support.Click OK."I don't have any APM in the Power OptionsChances are you won't see that on newer PCs. That's mostly the case in older PCs where APM/ACPI support wasn't always automatic.
August 2, 200719 yr Author Well I'm pretty much cluless then what else I can do. I have send a message, maybe I can somehow try a new PSU.I don't know, but I had this problem since day 1, so I belive it has to be something hardware related.
August 2, 200719 yr Well I'm pretty much cluless then what else I can do. I have send a message, maybe I can somehow try a new PSU.I don't know, but I had this problem since day 1, so I belive it has to be something hardware related.You've also had your PSU since day one.
August 3, 200719 yr Author Indeed, so unless there is any other idea all I can see I can do is to try somehow another PSU. If it's still the same, then what? motherboard?
August 4, 200719 yr You don't happen to have an X-Fi soundcard in there, do you? I've had all sorts of shoutdown/sleep issues with my Intel DP35DP and X-Fi XtremeGamer. Using the onboard audio seems to have fixed them. Unfortunately, the onboard audio is crap.
August 8, 200719 yr "Computer won't power off when I shut XP down.The most common reason for this problem is that ACPI (the Advanced Configuration and PowerInterface) isn't enabled.This shall *never* occur with PCs of the 2000s!Thus, looks more like a faulty motherboard or power supply. Edited August 8, 200719 yr by RJARRRPCGP
August 9, 200719 yr Author Faulty motherboard.Everything was such ironic tho.I wanted to go with my power supply to exchange, but my motherboard onboard ethernet broke, so now I had to return motherboard too.There they told me that they can only change the motherboard since the power supply only had 30 day warranty with the retailer, and I had to contact the manufacturer.Yet, when I installed the new motherboard, with the same power supply finally the nightmare is gone and the computer shuts off and power down properly.So, the 30$ 500W power supply was not at fault, but the motherboard.Now I just hope the new motherboard and all other components will be as reliable as my other 5 1/2 year old computer where nothing ever faild, even when some capacitors from the mobo and PSU blew because the PSU fan broke.Another chapter ends with a happy ending.And of course thank you everybody who took the time to read the thread and post the suggestions.
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