Internal power supply

My computer has no power. Took it to Best Buy Geek Squad.They said internal power supply was not working, AC adapter is good. How can I identify that part and order one. Satelitte L355-S915

db5311 wrote:..Satellite L355-S915
No such model number. Check the full model name-number, and also give us its part number, from the Toshiba label on the bottom.
To the best of my knowledge, no such thing as an 'internal power supply' on a laptop. Maybe it needs a new battery? A new motherboard? Maybe you should double check exactly what the 'Geek Squad' diagnosis was.
Mike

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<Edited by Host>

Also, this company may be able to help you identify the item from their database and your serial number.
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New internal power supply and iMac still not powering up

I recently purchased a new internal power supply for my Intel iMac and after being installed by a local Mac repair shop it still will not power up.
Are there any other issues that could cause an iMac not to start up? The logic board?

I did try to reset the PRAM and SMC before the iMac went completely kaput. But now, even with a new power supply, it won't even turn on. Maybe my replacement power supply is damaged somehow. But the repair shop said my original power supply looked like it was in good condition. Maybe they can test the original one somehow?
So my question is still: If the power supply is good, and if the hard drive is good, but the computer will still not turn on, what is left? Could the logic board be the only remaining culprit here? Are there other factors that could cause my iMac to not start up?

Can't fine internal power supply form new sound card

Just installed an asus xonar dx sound card in my slimline s5670t desktop. The problem I am having is that I cannot find the 4 pin power supply I need on the mobo. Can anyone help me out?
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These are the motherboard specifications for your PC.
You probably need to look for a 4 pin molex or floppy connector coming off the power supply. If your don't see a spare connector then you will need an adapter to split off from a molex connector or even off a sata power connector. Look carefully at the power cable going to the hard drive. This is where you might try a Y splitter power cable. www.newegg.com probably has want you need.
Maybe this adapter would work. I can't say if the connector is right for tapping on the sata drive for power or if the cable lengths are long enough.
HP DV9700, t9300, Nvidia 8600, 4GB, Crucial C300 128GB SSD
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Custom i7-4790k,Z-97, 16GB, Vertex 3 SSD, Plextor M.2 SSD, Samsung EVO SSD, Corsair HX650, GTX 660TI
Windows 7/8 UEFI/Legacy mode, MBR/GPT

I have a 1st Gen Time Capsule 1tb. It turns on, boots up and turns green for 5-10 mins, but then turns solid orange and then blinks orange. I have removed the hard drive and replaced the power supply . . . still the same problem. Suggestions?

I purchased a used 1st Gen Time Capsule with a 1 tb hard drive.
When I plugged it in and did the initial setup, it worked fine, but gave me a hard drive error. A few minutes later the green light turned solid orange, then blinking orange, then the status light went off. The lights in back stayed on.
I removed the hard drive and rebooted, it turned green for 5-10 minutes then reverted back to a solid orange, blinking orange, then went off.
Next I purchased a remanufactured internal power supply, and installed it (without the hard drive in). It turned green almost immediately. After about 15-20 minutes, I decided to try to install the hard drive again, booted it up, and tried to erase the hard drive with was working properly according to the software. It stopped erasing the disc after about 20 minutes and turned solid orange again, then blinking, then no status light (but back lights were still lit).
I'm a bit flabbergasted at this point, any suggestions on what to do next? I think i've pretty much replaced everything except the logic board, but can't seem to find any information on the symptoms of a logic board malfunction.
Thanks!!!!!!!

A Gen3 is identical board to a Gen4 although they have some differences in firmware and wireless card was updated on every model.. but a Gen3 is substantially faster than Gen1, Gen2 which also have identical boards.
You can with careful shopping get a Gen3 pretty cheap.
Most use a delta power supply which I think is a lot better than the flextronics used in most Gen1/2
You can sell back the parts to ebay.. people still would buy the power supply etc. Even just the case can be useful to a repairer.
But if the board is gone.. it is hard to repair.. not impossible.. but hard.
Gen 3 and Gen 4 are not without faults.
See this page.
https://sites.google.com/site/lapastenague/a-deconstruction-of-routers-and-modem s/apple-time-capsule-repair/new-issue-with-a1355-gen-3-tc
I have fixed it a different way.. by using the small converters you can buy in bulk from ebay for $1 each.. KIS3R33 .. they produce 3.3V at 2A peaking at 3A.. amazing.. I keep using them to replace onboard power converters by removing the inductor and simply power directly.. the end result has worked great. You can simply change the resistors around and get any output from 1v to 20v depending on input.
Is it worth doing it .. no of course not.. it will waste many more hours than $50 is worth.. but it is kind of fun that you can actually make things work again.
Here is a pic of the Gen 3 totally powered by me. All onboard power removed.
This was to track down the fault in the Gen3.. but I am kind of pleased that it ended up neat enough and reliable enough to work for more than a year.. the Gen3 still serves as a way to get Netflix via network for a friend running 24/7.
The units supply (from left to right)
1v, 1.1v, 3.3v, 5v, 1.8v
It is feed by 12v supply which is also directly connected to the hard disk.
So it is possible to fix.. !! Only got to be a bit crazy.

My Time Capsule has just failed, 2 months after the end of 12m warranty. same old known power supply issue, "just unlucky" says my local Apple service center. ***?

i bought a 2TB Time Capsule in Sep 2010. its just failed last week, less than 2 months after the expiry of the 12month warranty.
and 3 months after the end of Apple's offer to replace all the many Time Capsules that have failed previously due to this same fault.
nice timing guys.
"yeah, its dead. same old known power supply issue", says my local Apple service center, "just unlucky".
huh? "unlucky"? you sell products with known defects, and when it fails i'm "unlucky". nice.
"OK, anyway, how much to fix it ?", i ask.
"you can't fix them, its closed", is the reply, "you have to buy another one".
"hmpf. OK, how do I get my backed-up data off it ?"
"you can't. we could try break it open and recover the hard disk i guess, but no guarantees we'd get it, and you'd have to pay for us to do that, whether it works or not of course".
"er.... is there a hidden camera in here? are we on TV? you can't be serious ? ..and this piece of garbage is what i've been using for a secure backup of my precious, irreplaceable, priceless personal data ???"

ceeb28744. Welcome to the Apple Users Support Community. Sorry to hear your TC died! You said it was a 2TB so I would guess it be the model A1355/MB997LL/A or MC344LL/A. Believe it or not all users of these time capsules will eventually experience this problem like you have. There is a 99.5% (or better) chance that the only thing that is wrong with it is the internal power supply. If you will go to this site.... https://sites.google.com/site/lapastenague/a-deconstruction-of-routers-and-modem s/apple-time-capsule-repair and once there look over at the left side and you will find:
Apple Time Capsule Repairers and from that list you will be able to choose from a list of individuals that could repair your TC and have it returned to you fully operational again. The individuals on the list are hardware technicians and they can save you a lot of money and time.
Larry

How can i add to PXI-1044 a new Power Supply

Hi everbody. I have a PXI-1044 chassis and i want to replace its power supply with a new one because of i have no 220 AC main to supply the 1044 at the working area.
So that i kindly request to be answered this question whether i can replace internal power supply with "Replacement power and fan shuttle - 778647-01"

The part number you referenced is the intended replacement for the PXI-1044's power supply, so yes that power supply will work.
Justin E
National Instruments R&D

CNA & "switch redundant power supply"

Just configured trunking between these switches:
2950T-48-SI
3508G-XL
3548-XL
The traffic appears to be flowing correctly through both the default VLAN and also my additional VLAN.
Now, ALL of the 2950 switches on my network display this message: "switch redundant power supply failed" when I connect to them using the Cisco Network Assistant.
Seems like the error message must be related somehow to the VLAN configuration I did.
In a nutshell, I configured all connected Gigabit ports this way:
switchport mode trunk
switchport trunk encapsulation dot1q
I only configured SOME of my switches for the trunking and additional VLAN - must all of them be configured the say way, even if I don't anticipate needing the additional VLANS on those switches?
Thanks, Susan

Hi Susan,
Do you have redundant power supplies connected to the 2950s?
If not, you are probably running into a cosmetic bug, CSCee96721.
We can confirm this by issuing a "show env" in the CLI.
You should see something like this:
"switch#sho env all
FAN is OK
Internal POWER supply is OK
RPS is NOT present
RPS is FAULTY"
Note that the last line indicates that the RPS is faulty, even though the line above it indicates that no RPS is present.
If that applies to you as well, then you are hitting this bug. CNA is polling the same information, which is why you are seeing "switch redundant power supply failed" in CNA.
The fix is in 12.1(22)EA3 and later.
HTH,
Bobby
*Please rate helpful posts.

HP DV7-1020US (Power supply/battery issues) Please help diagnose!

Hi everyone,
I've read a lot of forum information about power issues/problems with this model laptop.
But have finally decided to post this question up here for some real HP support.
The problems started with the battery not being able to hold a charge. Shortly after, my brick started making a strange beeping
noise. I purchased a matching brick. I was able to get a few good minutes of charge and then every time after the laptop wouldn't power-up
at all. I'd just get flashing lights on the front (HD, Lightning bolt, Power). The lights would stop blinking after resetting the battery. I did some
research on laptop batteries and found that not allowing it to drain and then be recharged could cause it to go bad.
I purchased and received my new battery in the mail today. I am currently in the process of charging the new battery but have noticed
that the little lightning bolt light in the front of the laptop is NOT lighting up as it should when it's charging.
Is it NOT lighting up because both the battery and brick are after-market products?
I am going to allow the laptop with the new battery and brick to charge for 16 hours without attempting to turn it on.
I'm concerned that the system board or internal power supply might be having problems as well.
Has anyone encountered these type of power issues with this particular laptop?
Should I be able to run the laptop without the battery? That option has not worked for me.
Any assistance/guidance from you pro's out there would be greatly appreciated.
Thanks!
JUST WANTED TO ADD:
Laptop has been charging with new brick and battery for 8 hours straight and now, the battery indicator light is blinking.
I've tried removing the battery and reseating it but as soon as I plug the power back into the laptop the blinking begins again.
Message Edited by pixelitis on 11-02-2009 10:56 PM

Hi people!
I started having the same problem with my 1020us. Battery isn't charging (it's 91% available, when the battery reaches 35% the laptop power-off). The battery led in front panel blinks too when laptop is plugged in to AC adapter).
Another problem with HP. I am so disappointed. =\

Replacing Power Supply

Hi,
I think my power input jack is somewhat broken. The input jack has been ripped out of it accidentally, causing the input jack to break off and it also bent the gold pin on the supply connector (on the actual computer). Some of the time I can wiggle my new power cord to get it to light up the computer, but often times I don't get any power.
So, was wondering how hard it is to replace the power supply on the computer itself, or if anyone knows, in general how much it will cost to have it fixed.
Thanks,
Grant

You don't need to replace the entire internal power supply - just the jack. If you're handy with a screwdriver and a soldering pencil, you can do it yorself. Otherwise, I'd relegate the job to a 3rd-party PowerBook repair service. If you're near a Best Buy or Fry's (I don't konw where you are located) you can try them. Too, Google is your friend.

I need to get a replacement power supply. Where would I go?

Any ideas out there?

I got a 12 volt and plug but nothing worked
Did you first check the power supply with a voltage tester to make sure that you were getting 12 volts?
If you did, then you know that the external power supply was working correctly.
However....If the internal power supply board is shot on the AirPort Exteme, plugging a good power supply into the back of the Extreme will not fix it.

ISR 3945 second power supply...

... is plugged in, cable is connected to the power socket, and CLI output still shows:
SYSTEM POWER SUPPLY STATUS
==========================
Internal Power Supply 1 Type: AC
Internal Power Supply 1 12V Output Status: Normal
Internal Power Supply 2 Type: Unknown
Internal Power Supply 2 Input Status and 12V Output Status: Fail
I never dealth with physical aspects of Cisco devices before, and I`m not sure is there anything specific that needs to be done except plugging in the second PSU?

Hi Milos im having the same problem than you, I have two C3945 and both of them presents the problem.
The power supply is power on and connected in both sides of the cable (green led), but in CLI it shows fail status. It occurrs in the second power supply.
Did you solved the problem? Could you help me please
SYSTEM POWER SUPPLY STATUS
==========================
Internal Power Supply 1 Type: AC
Internal Power Supply 1 12V Output Status: Normal
Internal Power Supply 2 Type: AC
Internal Power Supply 2 12V Output Status: Fail
Thanks in advance
Regards

PowerbookG4 Runs on Battery But Won't Recognize/Recharge with Power Supply

My 15" 1.67gh Powerbook G4 will run just fine from battery power. The power supply does not charge the battery, though the amber light does turn on when it's connected. The screen power management display acts as if it's unplugged and doesn't recognize the plugged in power supply.
I have another G$ so can recharge the battery, and the power supply cord works fine in that one. I have tried the 5 second reset method (with the power supply and battery out)
This machine was used with an old battery that caused overheating during the summer to the point where the computer turned itself off.
Is the internal power supply fried? Is there a fuse that can be replaced? Is there some kind of other software/firmware procedural fix that I can try?
How much do these cost if I have to have it fixed? Is it worth doing for a computer this old? Can I just buy the part and try to install it? Is there a way to get it properly diagnosed without spending a ton of money?

There are 4 components to the charging circuit: power adapter, DC-in card, battery, and logic board. Unfortunately there is no automated test to determine what is causing any charging issues, so you have to solve it by elimination.
Since you have a working power adapter that will charge the battery on another PowerBook, that's good. And the system runs on battery power alone, so the battery sounds OK. That leaves either the DC-in card or the logic board as suspect. DC-in card would be the less expensive component to change, as they run $75-$95. A replacement logic board can run $300-$400. Those are used parts prices only without labor.
You could take your system to an Apple store, or better yet call them first, to see if they are even still repairing Powerbooks. If yes, see if you can have it sent to the Apple depot for repair (assuming you're in the US). As long as the case isn't banged up, it should run around $350 to have whatever is wrong fixed. If the case is banged up, it can run into the $650 range as they'll replace the case too. Comes back with a 90 day warranty. If they do the repair in the store, the price goes up... a logic board replacement in the store is around $750, as I recall. If you go this route, ensure you have a hard drive backup too before sending it off.

HP g60-440us believe needs new power supply

I am an IT student, own an HP g60-440us laptop, needs new power supply.
Do you think replacement of this is an ideal first project? Please advise honestly.
Thanks
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View Solution.

I too have had power supply problems with my HP G60-445 DX Notebook. For the past several months I have needed to jiggle the power cord to get the battery to charge. I finally took it to a computer repair shop. He ordered an internal power supply box and installed it and after a bill of $125.00 for parts and labor found out that it did not solve the problem. Dan, the repair person called HP support to ask if they knew of similar problems and if so what is the problem. Support told him "they don't know of any problems with the power supply" What a lie! The problems are all all over the internet!!! Support told him that if they had to "guess" they would suggest replacing the motherboard. Dan proceeded to let support know that they absolutely know there are problems with their product and they are choosing to do nothing about it. You can tell they have made a piss poor product for years and continue to do so without regard for the consumer! Dan, in his repair shop, has more repairs form HP products and with Compaq products than any other computer! I wish I knew this before I bought this laptop!
So, now I have the laptop back with a new power supply module and still have an issue with the battery not always charging when plugged in. I will not pay $300 for a new board and will probably buy a Dell when I have to replace this one. Please spread the word that HP does not listen to consumers nor care enough to improve their products after years of the same issues.

Internal power supply

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