Computer help forum: HP Pavilion ms213 Power Issue????

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Answer Best answer as chosen by user poyeasfy

Look into...

by Willy - 12/13/12 10:47 AM

In Reply to: HP Pavilion ms213 Power Issue???? by poyeasfy

Since, it powers-up when you remove the AC cord and then reurn it it, that suggest some power logic ckt. action. In other words its on the mtrbd. itself. Basically, when removing AC power you also remove the "warm-up ckt. for logic which is why you can turn it ON, when it fact all you're doing is telling to become ON. In other words this isn't a direct AC ON/OFF switcha s you suspect. Once the logic ckt. is drained it allows itself to be reset to default state, OFF. For whatever reason, the mtrbd. is hosed. While you can swap or replace the PSU or AC adapter brick, usually it would provide a quick status if everything working. Since, it's not, then your have an int. repair. Robert, provided a work-around to hope it does this always to ON/OFF the AIO type PC. Repair and downtime maybe too much for this PC, so consider the fix. Next, you may want to fiddle with power setting and see if anything is related, though I think not, just an area to check. If the CMOS battery is somehow at fault, you would think it would reset bios setting over time, check &bverify is anything has come-up as such, otherwise disgard advise. Below is what HP provide on "start-up problems":

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01884928&tmp_task=solveCategory&cc=us&dlc=en&lc=en&product=4007499

I always check HP/Compaq customer posted problems as they may zero-in on common issues. Also, you can query there to see if they help, it's a free service, but you have to wait for any reply.

tada ------Willy

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Answer Best answer as chosen by user poyeasfy

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by poyeasfy - 12/12/12 11:56 AM

In Reply to: HP Pavilion ms213 Power Issue???? by poyeasfy

I'm not sure how to edit my post above but I need to add that this doesn't happen all the time.
Sometimes it restarts fine using the power button.

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Answer Best answer as chosen by user poyeasfy

I owned a machine like that.

by R. Proffitt - 12/12/12 12:16 PM

In Reply to: HP Pavilion ms213 Power Issue???? by poyeasfy

It was the motherboard. I changed the PSU because that was cheap but later we changed the motherboard.

Try the cheap parts first such as the PSU and the BIOS battery before you change the motherboard. Also, why not put it on some AC switch power bar to make it easier? Most folk loathe the repair bill for this one.
Bob

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PSU?

by poyeasfy - 12/12/12 4:48 PM

In Reply to: I owned a machine like that. by R. Proffitt

I take it to mean Power Supply Unit? Is that the same thing as the AC Adapter in these models?
I ask because I'm used to working with the Old Desktop Style of Power Supply and I'm not sure what to look for.

Also since posting this the Computer no longer turns on at all.
The AC adapter tests at 19.22 with a digital multimeter.

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Many pavillions were destops.

by R. Proffitt - 12/12/12 5:11 PM

In Reply to: PSU? by poyeasfy

Since this is a laptop you want to try it without the laptop battery. Here's the story. Folk tend to leave failed batteries in laptops for reasons I can't list here. Those dead batteries can fry something on the main board without killing the adapter. I don't have a lot of story about this laptop but I wonder.
Bob

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Not a Laptop

by poyeasfy - 12/12/12 5:28 PM

In Reply to: Many pavillions were destops. by R. Proffitt

This is not a laptop, tis an all in one PC .

http://h10025.www1.hp.com/ewfrf/wc/product?cc=us&lc=en&dlc=en&product=4007499

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Repairs run on par with a laptop.

by R. Proffitt - 12/12/12 5:47 PM

In Reply to: Not a Laptop by poyeasfy

That's why I suggest if it's out of warranty that you get power bar and switch.
Bob

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That would work if it hadn't died completely

by poyeasfy - 12/12/12 7:34 PM

In Reply to: Repairs run on par with a laptop. by R. Proffitt

As I said before it died and will not turn on at all now. These all in one PC's don;t have a built in power supply like older desktops do they?

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PSU here

by mchainmchain - 12/13/12 2:07 AM

In Reply to: That would work if it hadn't died completely by poyeasfy

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&tmp_task=solveCategory&cc=us&dlc=en&lc=en&product=4007499

To find your psu in an all-in-one, go to where your power cord plugs in. Follow the diagnostic path given in the link posted above.

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The PSU or power brick looked OK.

by R. Proffitt - 12/13/12 8:10 AM

In Reply to: PSU here by mchainmchain

It's on par with a laptop so your repair bills are about the same as a laptop. If workarounds don't work then you start replacing boards.

I'd start with the cheapest possible part first. The CMOS battery.
Bob

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