HP Slimline Pavillion s3123w monitor going to sleep.

Hello,

One of the possible reasons for this is oudated video driver.

Try updating the video driver. If you don't know how to do it, then use RadarSync. It will do everything.

David

HP Pavilion Slimline S3400f Desktop.
dont worry ALL PC end up like this,, all do.. sooner or later..
NO OS stated, XP"? never post without OS stated, or answer get 10x more harder, See? make it easy for the helper and get more help.....
no Monitor stated. (maker, CRT, LCD what?)
The monitor is not fibbing to you BTW, the PC did go dead or to sleep. seems its monitor monitor of some kind with DVI.

if the monitor works on other PCs then the monitor is not bad.
i Bet it works (old ones 2002, have a hidden deep internal sleep mode. and is not yours IM sure now) DVI IS THE ONLY CLUE THERE.
So PC is dead. this PC came with only VISTA new,
is it still VISTA?????????
HP has support on it still
here (carbon dated by me 2008, IIRC)
https://support.hp.com/us-en/drivers/selfservice/hp-pavilion-slimline-s3400-desktop-pc-series/3688715/model/3688723

this year,? get all those files and books there backed up
when HP support ends after 10 year rule, (be savvy?)


what keyboard USB or wireless keyboard mouse
use wired USB keyboards if wireless the battery is dead. easy no?

now in VISTA, go to Control panel, click power
turn off all sleep modes and all hibernate modes
the turn off screen savers, if turned on , disktop . RC right click
in display settings or personalize, turn off , need login to come out of sleep or screen saver.
try a real keyboard, that has USB cable yet? be first thing to do.
always keep a real keyboard, handy,,,
batteries fail. in all wireless devices like this (inside them)

luck you desktops have lies DIM fails. there are many.

http://www.pcdied.com/sleep-or-dim.html

one other way , and common is PC overheated.
all do that.
ever one not cleaned out every year,.

#1 all time cause of overheat and PC shuts down.

http://www.pcdied.com/overheated.html

It could possibly be a power supply failure. Make sure all connections are in place.
The only other solution I see to this is a bad motherboard.
Good luck and do not forget to rate me :)

From my experience, it probably means that there's a problem with the COMPUTER, rather than the monitor... Please follow my tips here.

Regards,
Pelu.

Try cleaning your RAM it should be the issue mostly 80%

You can check by rremoving the VGA cable if the system shows no signal mostly monitor should be fine

I take it that you are seeing the message "no signal" on the monitor. If this is true, then I would disconnect all the devices inside of the computer case except the CPU and memory. See if you get any video. If you do, then reconnect the devices (hard drive, CD, etc) until you find the one giving you a problem.
If you have done all this and still no video, I would suspect one of two things: Either the power supply or the motherboard.

I am working on my neighbor's slimline HP right now. His HP was having the same problem and has an extended warranty thru HP. He sent the computer to them and was told the motherboard is bad and not repairable. They actually told him to go buy a new computer! I told him I would take a look at it for him. I could not verify if it was the on-board video because even though the board has a PCI-E slot only a half size graphics card will fit and I do not have one. I need to verify that it is not the power supply but the problem is the board uses a small form ATX connector so I had to order and adapter for $15 and I am waiting for the part. If the power supply turns out to be then I will probably install a new motherboard. The problem is there is no where to get a new motherboard for this model(was made by Asus for HP). There are only used available one's available with no warranty. When I get the part to test the power supply I will post an update to you.

I don't believe that this would be a hardware problem. Most likely the power settings for your PC are incorrectly configured for your liking. To repair these settings click Start/Control Panel, then click Power Options. From that panel, you will be able to set your power schemes. I would recommend the Always On option.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/robert_33d06d08b28d1f14

I believe this model only comes with Vista. Go to Control Panel, and on the left hand side click Classic View then click the icon for Power Options.

There will be a few options under Preferred Plans and one is selected (Filled in dot)

Under the Power Plan that is selected, click Change Plan Settings and on the next screen, click Change Advanced Power Settings.

You will have a new window that opens up with a bunch of categories with little boxes with + signs. Click the + Sign box beside sleep to open op the menu. In the options under sleep, change HYBRID sleep and HIBERNATE to NEVER. Especially the Hybrid sleep as this was a problem I found with Vista. It sounds like the computer is going into the Hybrid/Hibernation and not comping out from it unless you power off the computer and turn it back on

Also, click the + sign beside Hard Disk and make sure the option to "Turn off Hard Disks After" is also set to NEVER

I have a new HP pavilion slimline with Vista......a 19 inch flatscreen monitor......I went nuts with it not connecting and saying no DVI input......

I tried something and so far it has worked 10 times in a row...

start out with puter and monitor off.......turn on monitor.......let it go to sleep....then turn on puter....

I have the puter that has the start button on top of it.....not too crazy about it.....

hope this works for you.........Judy in NY