HP Slimline Pavilion PSU

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MobileTechie

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I'm working on an HP Pavilion Slimline with power-up issues. I think it's either the PSU or the mobo. Trouble is, the PSU is one of those tiny, flat HP jobs and the 24-pin plug is about half the normal size.

The PSU has the model number 5188-7521. These don't appear to be available in the UK any more unless anyone knows different? I don't fancy spending like £80 on a "refurbished" unit (i.e. second hand, possibly tested).

Any ideas what I can use?

For starters an converter to convert standard 24 pin ATX to this smaller form factor would be good for testing purposes.
 
There are ways you can test the PSU. Get a multimeter and make sure the powersupply is producing the correct amount. A quick google search will show you how. A good quick way of telling if the PSU is bad is check for fan movement. Most of the time if the fan isnt spinning, the PSU is shot.

Good luck!
 
geek4hire said:
There are ways you can test the PSU. Get a multimeter and make sure the powersupply is producing the correct amount. A quick google search will show you how. A good quick way of telling if the PSU is bad is check for fan movement. Most of the time if the fan isnt spinning, the PSU is shot.

Good luck!
Click to expand...

I've not found these methods to be at all reliable. There is a big difference to producing the correct voltage on a meter and producing it under load. I have a tester and that will cheerfully pass bad supplies.

As for the fan - I regularly see both bad PSUs and bad mobs with the fan still working.
 
Been there done this about 6 times with one of those little slimline HP's. I swear they are intentionally made so they are difficult to work on. Why not just put a full size plug on that PSU? I have found both bad PSU's and bad motherboards in them and at this point, the motherboards and PSU replacements (for the older models) are very expensive. Every single time, I've spent all the time diagnosing it the customer (rightly) decides to chunk it and buy a new pc.

I without a doubt believe there is some sort of a flaw in the 2-4 year old slimline HP's. I've seen WAY too many of them come through with the exact same problems.
 
Appleby said:
Been there done this about 6 times with one of those little slimline HP's. I swear they are intentionally made so they are difficult to work on. Why not just put a full size plug on that PSU? I have found both bad PSU's and bad motherboards in them and at this point, the motherboards and PSU replacements (for the older models) are very expensive. Every single time, I've spent all the time diagnosing it the customer (rightly) decides to chunk it and buy a new pc.

I without a doubt believe there is some sort of a flaw in the 2-4 year old slimline HP's. I've seen WAY too many of them come through with the exact same problems.
Click to expand...

Just had my first one of these, what a swine to get to. You even have to remove and re-paste the processor fan as well as the cd drive, hard drive, memory and other brackets. £85 for a psu. :mad:
 
I had another one of those come in. It was also a bad motherboard but it really acts like a PSU. Without one of those PSU convertors it's very hard to diagnose. I've got one on the way, funny to see this thread pop back up and I just ordered one.

There are MAJOR problems with those little HP of that age frame, I've seen way too many come in with the same symptoms. And they are not build to work on. Getting that PSU (or worse yet, the mobo) out of the case is an act of Congress.
 
adapters

I thought it would be an idea to get one of those, but I can't seem to find any in uk. Although it doesn't mater too much, I would like to have one soon rather than wait 2 weeks. Anyone know of a UK supplier?
 
I have had a few of these, the problem with them is normally the mobo has died and more specifcally they have a nvidia chipset which has bad BGA balls on, My brothers one died and it was the motherboard. I sent it of to have the chipset reflowed and it worked again after this.
 
coreyspeed said:
I have had a few of these, the problem with them is normally the mobo has died and more specifcally they have a nvidia chipset which has bad BGA balls on, My brothers one died and it was the motherboard. I sent it of to have the chipset reflowed and it worked again after this.
Click to expand...

Thanks for the heads up, it was the first one I have seen.
 
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