PC Shutting Down - Monitor Unpredictable

[OneOneOne]

Hi,
I don't know what is going on - maybe someone here can help.

If the PC is inactive for a few minutes it goes into hibernation and then when I try to resuscitate it - it shuts down. This has been followed by my monitor not turning on - then turning on only when I press another button on the panel (not the power on button). Then it takes a few tries before it settles down again.

In Power Options - I checked *NEVER* in all the boxes - i.e. not to go to standby or to shutdown.

As a side note - I changed the CPU 2 days after this started, thinking that it was the CPU - and it worked without problems for 2 days - till now - now it's starting up again.

What's happening here?

TIA

[Wrog]

Re: PC Shutting Down - Monitor Unpredictable

Do you use a UPS? If so, when was the last time you changed the batteries?

[OneOneOne]

Re: PC Shutting Down - Monitor Unpredictable

Hi,
It says *The UPS service is currently stopped*

[Toasty]

Re: PC Shutting Down - Monitor Unpredictable

Assuming some XP flavor, boot into Safe Mode. Does it do this in safe mode?

Next I would turn off Hibernation. Perhaps the file is corrupted? When it tries to come out of it, perhaps it fails directly before it can kick the screen on for you to see a error message?

A hard drive error -IN- the area hiberfil.sys is stored?

[OneOneOne]

Re: PC Shutting Down - Monitor Unpredictable

Hi,

It's defaulted not to go into hibernation mode. I went into Safe Mode - on the day the PC really acted strange - and it was ok.
I checked the HD - everything is ok.
There is no message after the power goes haywire.

[Wrog]

Re: PC Shutting Down - Monitor Unpredictable

Check your event log, system log, etc. for clues on what's happening. Maybe the system is recording some kind of catastrophic event.

[OneOneOne]

Re: PC Shutting Down - Monitor Unpredictable

Hi,

I am looking at the event log -errors on dhcp, UPS, Service Control Manager, DCOM. What do they mean?

[lucky13]

Re: PC Shutting Down - Monitor Unpredictable

Hi,
I don't know what is going on - maybe someone here can help.

If the PC is inactive for a few minutes it goes into hibernation and then when I try to resuscitate it - it shuts down. This has been followed by my monitor not turning on - then turning on only when I press another button on the panel (not the power on button). Then it takes a few tries before it settles down again.

In Power Options - I checked *NEVER* in all the boxes - i.e. not to go to standby or to shutdown.

As a side note - I changed the CPU 2 days after this started, thinking that it was the CPU - and it worked without problems for 2 days - till now - now it's starting up again.

What's happening here?

TIA

Did you actually observe your computer gone into hybernation? The screen should say so... or you assumed it went to hybernation?

As Toasty said, did you check for the existance of the file hiberfil.sys? You need to set in Folder Options to show hidden files & system files.

Please also tell us what OS and version you are running.

[Toasty]

Re: PC Shutting Down - Monitor Unpredictable

Hi,

It's defaulted not to go into hibernation mode. I went into Safe Mode - on the day the PC really acted strange - and it was ok.
I checked the HD - everything is ok.
There is no message after the power goes haywire.

I am looking at the event log -errors on dhcp, UPS, Service Control Manager, DCOM. What do they mean?

All of these could be related to (a) faulty power supply caps and/or defective caps on the mainboard. Also could be a video card fault that shuts the system down.

Is "Power Management" turned -ON- in the BIOS?

Did this just -suddenly- start happening, or have you had an occasional, similar problem for a while?

Have you run any AV/spyware/malware detection programs to rule out that possibility?

Have you tested the monitor on another system?
~vice-versa~
Have you tested another monitor on the system?

Please provide:
1) Mainboard brand & model
2) Power supply brand & model
3) OS name and version ie.- XP Home, SP3

Toast

EDIT: Another possibility is flaky RAM. System off, unplug from wall, push power button for several seconds. Pull and re-seat all memory chips. Run memtest86 from a bootable disc. I think it comes that way.

[OneOneOne]

Re: PC Shutting Down - Monitor Unpredictable

Hi,

Yes, I've seen the PC shut down - before it does it either says Windows is shutting down now - or Windows is going into Sleep Mode.

I'm running XP Pro SP3.

Re the hiberfil.sys file - did a search - nothing came up.

Did you actually observe your computer gone into hybernation? The screen should say so... or you assumed it went to hybernation?

As Toasty said, did you check for the existance of the file hiberfil.sys? You need to set in Folder Options to show hidden files & system files.

Please also tell us what OS and version you are running.

[OneOneOne]

Re: PC Shutting Down - Monitor Unpredictable

Hi,

Power Management is not turned on in the BIOS
This suddenly started 3 days ago.
I did complete scans using a few programs - clean.
Didn't test either monitor or PC with others.
Running XP Pro SP3
Using a very low-grade generic PSU - will get another one this week - with cooling system.
MB info:
Motherboard Properties:
Motherboard ID 10/23/2006-LakePort-6A79HFKEC-00
Motherboard Name Unknown

will try the memtest.

All of these could be related to (a) faulty power supply caps and/or defective caps on the mainboard. Also could be a video card fault that shuts the system down.

Is "Power Management" turned -ON- in the BIOS?


Did this just -suddenly- start happening, or have you had an occasional, similar problem for a while?

Have you run any AV/spyware/malware detection programs to rule out that possibility?

Have you tested the monitor on another system?
~vice-versa~
Have you tested another monitor on the system?

Please provide:
1) Mainboard brand & model
2) Power supply brand & model
3) OS name and version ie.- XP Home, SP3

Toast

EDIT: Another possibility is flaky RAM. System off, unplug from wall, push power button for several seconds. Pull and re-seat all memory chips. Run memtest86 from a bootable disc. I think it comes that way.

[OneOneOne]

Re: PC Shutting Down - Monitor Unpredictable

Changed the monitor and no problem, so I guess now i have to work on the other one and find out the issues there. All I know that it would come on and go off at will then at times wouldn't turn on - the problem centering around the power button. When I came to unplug it from the PC - the PC shut down which might be telling me that it shorted something. PC came back on - but hm.

Any thoughts? Should I junk it? Is it worth fixing? It's a Phillips 17" LCD 190C

[Toasty]

Re: PC Shutting Down - Monitor Unpredictable

>>It's a Phillips 17" LCD 190C<<

That's the problem! They've shoved a 19" display into a 17" case....

(the 190C is a 19", the 170C is a 17")

It's a fairly recent unit... Not under warranty? Philips says 3 years:

"The Comfort range is designed... ...plus have full warranty for three years for a double helping of reassurance..."

I'd check out that warranty first.

If you want to make a go of repairing it, PlainBill would likely be the one that could walk you through that. He's well versed in troubleshooting these types of displays. If he doesn't pop in to the thread within the day, I would PM him and ask him to take a look here.

[OneOneOne]

Re: PC Shutting Down - Monitor Unpredictable

Yes, it's a 19" - duh

Will check out the warranty. If that doesn't pan out will check with PlainBill. Hope he has patience to explain this all to me ;-)

So very obliged - you guys are great.

~*~*~*~*~*~*~

[Toasty]

Re: PC Shutting Down - Monitor Unpredictable

Oh, going by your statement:
"When I came to unplug it from the PC - the PC shut down which might be telling me that it shorted something. PC came back on - but hm."

You should never unplug the monitor video while it is powered. Always shut the monitor off first. If this happened around the time of the beginning of the problem, then perhaps you damaged the monitor input somehow.