pc wont wake up again

[rubyg]

Hello again,now ive got that other problem sorted, this is relatively minor
but its SO annoying, everytime the pc is left on for a while and goes into
hibernation or sleep after a certain time, when you come back up and try to
wake it up by moving mouse it wont budge, short press on power button does
nothing either, i have to force a shutdown and switch back on, it then says
resuming windows, but when it loads , my wireless mouse and keyboard never
work, so i have to force shutdown again and when it starts up from scratch
they are all going ok again, any ideas much appreciated , i am on windows
vista home premium, service pack 1, 32- bit operating system, 4GB RAM, intel
core 2 quad cpu

 

[Tim Meddick]

When XP says "Resuming Windows....." it has NOT been in 'standby' mode (as
one would usually know it) but in *hibernate* !! When in Hibernate, the
computer is essentially turned off and the power lights are all out is it
would be if the computer was powered down normally.
In this state the PC is using no (or very little) power and just like
when the PC is OFF it cannot be woken up with a mouse movement. Sometimes a
computer may be woken by mouse movement in 'standby' (save to RAM) mode,
where the power light is still on and the PC still draws some (reduced)
power.
But in 'hibernate' (save to disk) mode, the PC is in a switched off
state and the main power button must be pressed just as it would if the PC
was starting up from 'cold'.

See 'Power Options overview' in the 'Help and Support Centre' on the 'Start
Menu'.


==



Cheers, Tim Meddick, Peckham, London.

 

[Paul]

Hello again,now ive got that other problem sorted, this is relatively minor
but its SO annoying, everytime the pc is left on for a while and goes into
hibernation or sleep after a certain time, when you come back up and try to
wake it up by moving mouse it wont budge, short press on power button does
nothing either, i have to force a shutdown and switch back on, it then says
resuming windows, but when it loads , my wireless mouse and keyboard never
work, so i have to force shutdown again and when it starts up from scratch
they are all going ok again, any ideas much appreciated , i am on windows
vista home premium, service pack 1, 32- bit operating system, 4GB RAM, intel
core 2 quad cpu

S3 (Suspend To RAM) and S4 (Hibernate), leave the +5VSB power supply running.
All the fans stop, and most of the power supply outputs are turned off.
But the +5VSB (standby) voltage is still available. (The only way to get
rid of +5VSB, is via the switch at the back of the computer, or by
removing the AC power cord. That voltage should still be present
otherwise, as it is needed to make the front "soft power" switch work.)

For a peripheral, such as a mouse or keyboard to wake the computer, the
mouse or keyboard, must still be powered. To test for this, I use a USB
optical mouse with a red LED, as it makes it easier to verify power is still
available. (USB ports can be powered by +5VSB or the regular +5V rail. If
a USB port is powered by the +5V rail, the mouse red LED goes off when
the computer is in S3 or S4. Modern computers only offer the option
to power the ports from +5VSB (there are no jumpers present for that).
Older computers have headers and jumpers on the motherboard, to allow
the user to select either option. If the jumper is set to +5V, then
the USB peripheral connected to that port, cannot wake the computer.)

+5V ----X

X------- USB port (power it from +5VSB, for "wake"
to be able to work)
+5VSB --X

In Device Manager, if i go to "Mice and other pointing devices", I
now have a "HID-compliant mouse" entry. Your setup is different than
mine, as you're using wireless. But the principle is the same.

If I do Properties on the "HID-compliant mouse", and look under the
"Power Management" tab, there is a line that says

"Allow this device to bring the computer out of standby"

If you tick the box next to that, then activity on the device,
while the computer is sleeping, can wake it up.

The BIOS also has an ACPI Configuration section, and sometimes
there are entries in there that must be enabled as well.

"PCI Devices Power On" (may mention PME - for stuff like Wake On LAN)
"PS/2 Keyboard Power On" Wake a computer via a PS/2 keyboard

Have a look in the BIOS page, for anything which may affect the ability
of a peripheral to wake the computer.

Using a directly connected USB optical mouse, with a visible
LED on it, makes it easier to verify the unit is receiving power
when the computer is in S3 or S4.

On keyboard wakeup, some hardware setups support complicated
key combinations to wake the computer. Not all of those will
work, and it is best to start simple, such as getting it
to wake on any kind of activity at all.

In summary

1) If attempting to wake from USB, verify the USB port is still powered
when the computer is in S3 or S4. I use an old optical mouse to
verify that. A "USB reading lamp" may also make a suitable test device.
2) Check the Device Manager "Power Management" tab, of devices that
claim to be able to wake the computer.
3) Check the BIOS, for a window that has all sorts of "wake" options.
See if there is something specific for your setup there.

Paul

 

[rubyg]

I have the options in power settings to sleep after one hour, the blue power
light is still on and its supposed to resume after a short press of the power
button,but it wont come back on, i have to shut the whole thing down and then
switch it back on, thats when i have the problem with the mouse and keyboard
not working,when i switch it back on it says "resuming windows " but because
my mouse and keyboard dont work ,i have to force it to shut down again and
start afresh so my mouse and keyboard are recognised again, if i switch it
off completely and then come back an hour or so later i dont have a problem ,
its only when its in hibernate or sleep ,not when its switched off
properly,just wondered if there was something i could do to fix it, i didnt
have this problem with my xp computer only since i got windows, but i didnt
have wireless mouse and keyboard with xp either, dont know if the problem is
vista or the mouse and keyboard

 

[rubyg]

Hi ,that box in device manager is checked, if i have only been away from pc
for half hour or so ,moving mouse will wake it, but if it goes into
hibernation or sleep after the time limit, moving mouse or pressing the power
button doesnt waken it up , i have to shut it off then switch it on, mouse
and keyboard never work so i have to force it to shut down and after i
switch it on second time the mouse and keyboard work fine,

 

[Paul]

Hi ,that box in device manager is checked, if i have only been away from pc
for half hour or so ,moving mouse will wake it, but if it goes into
hibernation or sleep after the time limit, moving mouse or pressing the power
button doesnt waken it up , i have to shut it off then switch it on, mouse
and keyboard never work so i have to force it to shut down and after i
switch it on second time the mouse and keyboard work fine,

That sounds like the mouse is not powered. If it is not powered, it
cannot send a signal for wakeup. So the question would be, what
power supply rail powers the mouse - +5V or +5VSB. The +5VSB option
is the one you want. Check the motherboard, to see if this
is an older motherboard, which has a 1x3 row of pins, with one
position for a jumper labeled as +5V and the other position as +5VSB.
If the manufacturer wants to save money, sometimes there is one header
for power control, for all devices that might need power during sleep.
(I have one computer, with about four different 1x3 rows of pins, for
finer control of which ports can wake the computer. On another computer,
there is only one 1x3, which handles everything.)

+5V Common +5VSB
X X X Jumper 1-2 for no wake, jumper 2-3 for wakeup

You need some USB toy with a LED that glows when power is available,
to verify that your mouse or keyboard port is powered during sleep
or hibernate.

This is a picture of what feeds a USB port on an older motherboard.

http://img2.itsogo.net/Upfile2/2008/11/1115171043554395.jpg

The 1x3 jumper pins are on the left. Jumpering the 5VSB pin to the
center pin, makes +5VSB the power source. +5VSB is available during
sleep or hibernate (as long as you don't switch off the computer at
the back). Next, there is a Polyfuse to protect against overloads.
The Polyfuse automatically recovers when it cools down. The capacitor
(two parallel plates) is a bulk device, to protect against inrush
current drawn by an external USB device. And on the right of the
diagram, you can see the four pins of the USB socket. D- and D+
are differential pins carrying high speed USB2 data. The cable
is a controlled impedance of around 90 ohms, with a terminator
on the end of the line. The things labeled "V" and "G", power
the external USB device.

Some computer designs are more clever, and the computer has
complete control of which source is used, and when it is enabled.
The things in the eight pin package are MOSFETs for switching
the power on and off. There are no jumpers to play with here.
If faced with this, the solution is either controlled by the
BIOS or the OS. Laptops tend to be more clever like this,
and have more intelligent eight pin devices to control things.
Some even police the current draw, preventing more than
500mA from being drawn - tighter control than what a fuse
can provide. The Polyfuse is a bit more slack about that
kind of thing.

http://img2.itsogo.net/Upfile2/2008/11/1115171043345108.jpg

HTH,
Paul

 

[Jose]

Hello again,now ive got that other problem sorted, this is relatively minor
but its SO annoying, everytime the pc is left on for a while and goes into
hibernation or sleep after a certain time, when you come back up and try to
wake it up by moving mouse it wont budge, short press on power button does
nothing either, i have to force a shutdown and switch back on, it then says
resuming windows, but when it loads , my wireless mouse and keyboard never
work, so i have to force shutdown again and when it starts up from scratch
they are all going ok again, any ideas much appreciated , i am on windows
vista home premium, service pack 1, 32- bit operating system, 4GB RAM, intel
core 2 quad cpu

After you come back and move the mouse, how long do you wait (in
seconds and/or minutes).

Is this a laptop or desktop?

Have you looked at Control Panel, Power Options? What is your Power
scheme?

Presentation keeps everything "hot" for when you talk a long time
during your PPT show and tell. No delays.

Always on turns off your monitor after a while, but leaves your HDD
ready.

Look at the other options.

Depending on your scheme and manual overrides, your disk may be
turning off after 15 minutes. This will have to spin back up when you
come back. That can take a bit.

Try Presentation (always "hot") for a while.

If the issue goes away, you need to pick/adjust/create your own Power
scheme to suit you habits and expectations when you return to action.

I see now you have been Vista'd. This is an XP group so nothing I
said may make any sense at all.

Jose

 

[rubyg]

Oh my god,im sorry ive got this in the wrong place,i have a windows vista pc
, not xp, really sorry for wasting your time,i will have a look at the
motherboard and jumper things paul was talking about ,just incase but again i
apologise for putting this on the wrong group