Computer Won't Resume From Sleep with Power Button

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First let me say that my computer had been working fine with the ability to
Sleep and then resume from Sleep by pressing the Power button.

Now to the current time. A day or so ago, I came back from Sleep and found
my mouse had locked up. I could do nothing but hit the computer's reset
switch. After that, I could not boot up at all. To make a long story short,
the culprit seems to be a bad stick of ram added recently. I pulled the ram
and things seem to be back to normal - almost.

Now when I put the computer into Sleep mode, the Power button just turns on
the machine and then nothing. I need to then hit the computer's Reset button
to resume and then it seems to take longer than it used to. When it comes
up, I am at the same point as when I went to sleep, however. Obviously the
hiberfil.sys file is being created and used correctly.

My question is this: does anyone out there know why I would need to do a
Power On and Reset now when Power On used to do the trick?

Thanks for any guidance.

Might be helpful if you described what you see when you say starts up the
machine and then nothing. Do you go thru POST? Have you tried F8 to see if
you get an options menu? Sleep mode is generally a hybrid mode, where
initially it goes into a low power state and retains memory with a small
current, later saving to the hiberfil and shutting down. Have you somehow
changed the power settings in the BIOS? What options are available on your
machine and what have you set? S1,S2,S3? Maybe some information would help
someone give you some assistance.

I was trying to avoid being overly verbose. Maybe I drifted the other way.

My machine, when it worked properly in Sleep mode, had the power settings in
the BIOS as "S1 & S3" (I do not have an S2 option available). It remains
that way now as well. In the past, I could simply press the Power button and
resume with these settings. (I have also tried S3 by itself.)

When I said "the machine turns on and then nothing", I meant just that: I
heard a little drive activity, the activity stopped and the screen remained
black. When I had waited for a number of minutes, I tried the Reset button
and the machine went through the normal POST and I saw a screen indicating
that the OS was resuming.

I have tried turning Hibernate off (powercfg -h off) and then back on
(powercfg -h on) to maybe reset things. This had no effect.

I have not tried F8 but may look at that later today (I am in the midst of a
OneCare tuneup that runs forever and do not want to restart it.)

Any ideas?.

i hibernated and then removed the HD, but when i put it back in it just shows the BIOS screen load up and after, there's a rectangle white bar flashing up on the top-left corner. i dont get a F8 menu, or a bluescreen, neither do i get a boot up logo. can some one help?

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i hibernated and then removed the HD, but when i put it back in it just shows the BIOS screen load up and after, there's a rectangle white bar flashing up on the top-left corner. i dont get a F8 menu, or a bluescreen, neither do i get a boot up logo. can some one help? i have winxp

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Check that you have connected all cables correctly & not disturbed
anything else.
Check that the BIOS sees the disk.

Hi
I have same problem, but allot worse, I clicked the low power off the
start menu, It shut down, the power supply in the rare blinks but I
can't get my machine to power up now .


When I push power button nothing no fans, no sound from drives,
nothing.......

I have an HP a730n 3ghHT with 2 gig mem, Haugpauge 500mce dual
turner, with ATI X300se 256meg

Didn't MS see for some of the power supplies have sensors and chips to
go to low power and also act in unreason with the CPU's and fans


if I remember +5 V will put it in STANDBY and 10 or 12 volt load
will power on

Also CPU now will stop if fan out, and CPU now send sognil to PS
weather to go high (Active) I know kind of a mess

Well if system down and Some systems look not at bios first
(bootstrap) but intel CPC first and nothing happens no power.........


MS did not see for everything.... This problem and others like this
can cause them a class action suit.....


Anyone out there know how to clear this, I've unplugged and cleared
cmos , hope its nothing like discharging the CPU etc etc....