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HP Envy laptop will not power on, replaced power jack and li...

Q: HP Envy laptop will not power on, replaced power jack and li...

I am tech working on a friend's laptop. it will not power up or boot up.I tried all steps and done a hard reset, tried another ac charger and still won'tboot. I order a new power jack and replaced it but still no power. My friend bought this laptop closeto 2 years ago. is there any way to test motherboard. thanks for your help.

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Preferred Solution: HP Envy laptop will not power on, replaced power jack and li...

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Hi guys,

I just replaced a bad T61 power jack ( I'm sure it must've been bad since two of the wire connections came loose from the jack itself). The new power jack had all the connections to the jack just fine, so I plugged it in, connected it to mobo, put everything together and still no power.

Could it be that when the connections came loose originally the motherboard got damaged in the process? I felt almost sure it was the dc power jack as soon I saw those loose connections, but i guess not?

EDIT: To give you guys a better idea. I bought one of these: T61 DC Power Jack

I also tried plugging in the charger (which I've tested with a multimeter, and it is also a new chrarger) into the NEW port, then trying to get power from the contacts on the mobo connector (white piece in the picture). I tried pushing down with the negative connector to one of the black wire contacts, and pushing the positive tip to one of the red wire contacts and did not see any power there, so I'm wondering if I tested it wrong?

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Hello,I have a Z50-75 laptop which has had power jack issues in the past. The jack has been replaced several time. The most recent time it was replaced, I proceeded to use it thay night as normal, and then closed the laptop to put it in sleep mode and went to bed. The next morning, the computer is completely unresponsive. It had not moved from the position on my desk at all. Bought a nen charger to no avail. Will not light up in any way, does not show any signs of life (no fan noise, no cd drive eject, etc).  Have tried troubleshooting anything I could think of; dont see any visible issues to thr hardware. If anyone has any ideas or if I could get a hold of Lenovo Support, that would be great. Spent nearly an hour looking for a customer support email but it seems it isn't that simple haha.  I really like my laptop and would like to see it working again. Have had about 3yrs. Thanks. Edit-typos.

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I replaced the DC jack on an Acer today with a new one. When the laptop has the battery in the power LED shows a power source(unfortunately the battery is dead). When I remove the battery and plug in the charger to the new DC jack, no LED. Hitting the power button results in a flash from the power button light and power LED for an instant but no POST or boot. I tried different chargers as I have a few universals laying around so that's not it.....What's the problem?

A:Acer Aspire 5742 no power from dc jack, replaced it, still no power

Maybe not enough power on my acer laptop the charger says the output is 19 volts 3.4 amps and it runs fine without the battery installed, When I dont have the battery installed and the charger pluged in there is no indication that the changer is indeed plugged in and also when I turn it on I usually press the button just a bit longer to turn it on

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I have a Z50-70, and I had a slight accident with the power jack for the charger.  The old one could still work, but I ordered a replacement.  I installed it yesterday and it didn't work at all.  It wouldn't even boot on battery alone.  After troubleshooting, I got it to power up, but the battery was nearly out of charge and still wouldn't charge with the new power jack.  I was able to get it to boot a couple times, but windows 10 says that there is no battery detected and dies soon after. When  I can get the battery working, it shows a white LED for power and an amber LED for the battery when the charger is unplugged.  When I plug the charger in, the battery LED goes away.  The normal operation that I have seen if that both LEDs are always on. When the battery is low, that LED turns amber, but I have never seen that LED go off (which supports why Windows sees no battery). I have tried tearing all of the unnecessary parts out and starting it with the essentials.  I have tried pulling the power and battery and holding down the power button to drain all the power from the laptop.  That helps and I can get it to boot for just a few seconds (my laptop setup only takes about 10-15 seconds to POST and boot. If you have any ideas of what I can try to fix this, please let me know.  I have requested a replacement because one of the ground pins on the connector for the motherboard backed out of the connector onc... Read more

A:Z50-70 Power Jack Replaced & Won't Charge

Also, the voltage at the pins on the laptop that connect to the battery are all 1.5-1.7 volts with the battery removed and the charger plugged in.  That seems strange to me.  If anyone has a working Z50-70 and could test that, I would feel a lot better.  Thanks! 

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The computer stopped seeing the adapter and will not run on electricity.  Will only run on the battery.  I take the battery out and it dies immediately.  I replaced the power jack and the computer still won't run on electricity.  Only the battery.  I've unplugged the adapter long enough for the led to go out and still won't book with only the power adapter plugged in.  It's not the adapter because that adapter works on another computer which is how I charge the battery on my 1545.  What else should I do?

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I have a Dell 8600 about two years old. When I plug in the AC adapter, it intermittently fades to the battery as though the plug was pulled out (its not) and of course the screen fades in an out when every time it swithces--it does it every 30 to 60 seconds or so. I switched to a different AC adapter (I have a Dell 600M with the same AC adapter)-same thing so I know it is something internally. Any ideas?

A:Dell Laptop Power Supply Fading In and Out--power jack is bad or loose?

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Hello! Sorry, im new around here! :S

Basically, my HP DV6-3065EA running Windows 7 Home Premium (x64) laptop died. I went into a computer shop and asked how much a simple diagnostic test would be to find out how much a repair would be. He quoted me ?90. Phew, jog on! That wasn't going to happen!
Anyway, I decided to replace the power jack. No hard job, just a simple unplug and plug back in job. (looks abit like this Hp power jack image by chikyeung on Photobucket). I replaced it; everything is running fine.
I tried to put a USB pen drive into a usb socket. Didn't work. Tried another, didn't work. I have tried several devices and they all work on other computers but don't seem to be working on mine.
I have been trawling the internet for answers, and as of yet, nothing -.-! I wouldn't call myself a novice, trust me, I've tried everything, uninstalling and reinstalling all of the USB drivers, checking bits of the registry.etc. Nothing. So today, i thought, right, WIPE THE COMPUTER! I backed up everything, went back to scratch.
Tried another USB, didn't work.! Im completely puzzled!

Please help!!!

Thanks for reading! ;D

Oh, one more thing. When the laptop was unusable, I removed the hard drive and put it into another computer to retrieve some files. Could this have anything to do with it?

Any help is greatly acknowledged!!

A:USB Ports Stopped working after an Internal Power Jack is replaced.

It sounds rather as if your new part somehow isn't diffusing 5 volts to the correct circuits, which is what USB relies upon. Could be a bent pin or misaligned plug on those pins, or a broken wire.

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I spilled liquid into keyboard.  Computer continued to operated ok but keys were sticky.  Replaced keyboard with OEM new.  Now laptop won't start.  Power supply ok.  Battery full.   At power port, White light, then orange light for 10 seconds, then white light. Power button won't light, won't start computer.  Mother board looks ok.  All components cleaned and look ok.   Just won't start.  

A:Replaced sticky keyboard. Now laptop won't start. Power su...

Hi,  To siolate this issue, please perform a hard reset of your notebook computer before you try any other troubleshooting steps.Reasons for a hard resetA hard reset has the following effects:Clears the memory.Reestablishes the connection between the BIOS and the hardwareThe following conditions can be helped by the hard reset:Windows stops responding.The display suddenly goes blank.The computer does not wake from sleep or hibernate modes.Software application freeze or fail to respond.You may also refer the document below for further troubleshooting assistance.  ***If my post helped, click the White thumbs-up symbol to say thanks******Please mark Accept As Solution if my post solved your problem******Although I am an HP Employee, I am speaking for myself and not for HP***

I work for HP

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I spilled liquid into keyboard.  Computer continued to operated ok but keys were sticky.  Replaced keyboard with OEM new.  Now laptop won't start.  Power supply ok.  Battery full.   At power port, White light, then orange light for 10 seconds, then white light. Power button won't light, won't start computer.  Mother board looks ok.  All components cleaned and look ok.   Just won't start.  

A:Replaced sticky keyboard. Now laptop won't start. Power su...

Try a hard reset. See the folloinw document for the applicable steps.http://support.hp.com/us-en/product/HP-Pavilion-14-Sleekbook/5355021/model/5438123/document/c0471847...

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hi techs i need help replacing the power jack on the latitude c640

A:laptop power jack

Do you want to replace the power supply and cord or just the adapter connector? Explain what you want more clearly, thanks...

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my laptop power jack is loose and i cant charge it at all.
i plugged in my charger and it just pushed the jack back even more.
i tried to fix it but it was no use.
how much would it cost to fix my power jack?

A:laptop power jack

If under warranty, have the MF fix it for you, otherwise attempting to fix it yourself or with a third party company would void it's warrenty. If it's not under warrenty, I would suggest you crack it open and see what you can find (That is, if you know what you are doing), or you could take the easier route and find a repair service onlne or in your local area.

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Toshiba Satellite L305-5955, Ive taken apart and replaced power jack. Not directly soldered to motherboard. While still apart, and battery out/in, connected power supply and still absolutely no response. Power supply is NOT original, and slightly different specs, i.e original 19v..6.3A

current 19v..3.1A

A:Toshiba Satellite L305-5955 does not respond to power supply, new power jack

Almost certainly the problem is that the current rating is wrong, if the laptop needs
6.3 A of current, it won't function on less (just as you can't use a 3A fuse for a kettle!)
Unfortunately it must be the right current rating, I know, I've been caught that way too!
Maybe you can exchange it?

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My Toshiba Satellite P755-S5265 has not been able to turn on at all. That's because the AC adapter would not be charging the battery nor would it operate the computer.

Whenever I would plug in my adapter, a weird clicking noise would come out from the computer. Also, the AC adapter charging light would blink continuously as well. I

took apart my laptop and discovered that the end my of DC power jack was the source of the clicking. When I mean the end, I don't mean the area where I plug in my adapter, it's the other end that's connected to the motherboard.

Does anybody have any advice on what I should do? Is my laptop dead and done for?

Thank you so much in advance!

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Hi !! All,

Happy New Year to all members and technical assistants.

I have a little issue in which I require some help and guidance.
I have a PIII 900MHZ 256 MB memory with a ASUS MB-

Recently it died on me and assumed that the reason I could not get to power
it up is due to my power supply. I went out and spent the money and bought a brand new power supply from a computer retailor. I saw him remove it from a brand new case.
I installed the power supply , trying to power it up, I can see the fan rotate a little bit but not enough to power on. Changed socket and it power on.
It booted up but after 30 sec, it shut itself off and now I cannot power it back on until 15 min. later when I went and change power socket once more.
This time, the power did not stay up very long. As soon it powered up, no more than 1 min later while it was loading windows Xp, it shut itself off nad now again can't power it back on. I have a power extention and power bar in which I used and both shuts the computer off. Anything else plugged to it doesn't seem to do any affect. This is the second new power supply I'm trying.
What else can it be ? I have not tried to place the computer in a different room on a different plug yet. I will try that tonight but in the meantime, what else can I try ?

Thanks for your help and listening.

Cheers !!


A:Pc wont power on after power supply replaced

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Why the hell can't they put it in the battery?! Then when the kid trips over the cord and breaks the jack you can just buy a new battery. Just sayin'

A:Laptop power jack location

You could of course sit in your chair with reinforced steel gates around you mate.

Just sayin...

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I'm not sure if I'm in the right place but I'm looking for a little advice on soldering or unsoldering. Recently I had to replace a power jack on a friend's Toshiba Equium laptop as the power pin had snapped off inside the charger. Although I am familiar with soldering, I had not previously worked with the insides of a laptop. Dismantling the machine was straightforward as I downloaded and followed a guide off the Internet. Resoldering the jack was also no problem. The problem was the bit inbetween - removing the original jack. This was possibly the hardest thing I have ever attempted to remove from a circuit board - the solder simply would not melt. I tried everything I could think of, used 3 irons, copper wick, a variety of solder suckers, etc and the whole process took me several hours. Eventually it did come off but Im sure it should have taken minutes or even seconds rather than hours!

The problem I have now is that my girlfriend's Averatec 3200 laptop has developed a faulty power jack (this one is loose) and I am absolutely dreading the thought of it being as stubborn to remove and replace as the tosh's. Can anyone with experience of these suggest anything that may make it a little easier?

Many thanks!


A:Unsoldering laptop power jack

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Hello to all...

This is concerning the power jack on a Compaq 700us laptop.

My niece accidently broke the power jack on the motherboard. The cost to replace MB is $633.00+, (compaq will not sell the part separately)

They havent had the laptop very long...and they really cannot afford a new motherboard.
Compaq will not fix or replace...claiming it happened due to abuse...(funny thing, though...Ive seen a lot of posts on the internet about broken powerjacks on Compaq laptops...Hmm....)

Ive already bought the jack from a parter on ebay, but since I have only worked on desktops, I could really use a little advice if anyone has some to give.
Thanks in advance! ...Vicki

A:Help with replacing power jack on laptop

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Hey guys, I'm working on a Gateway MX6960 with a power jack issue for a friend. It was just the typical broken solder joint on the board, so I put a new jack and all that on it. Tested the connections afterwards, and everything was fine. 19V constant to all ground points on the motherboard. Put it all back together, no dice. Laptop wouldn't charge at all. Took it back apart, th/inking something lost connection. Tested again, 19V. Never seen anything like that before. :-/

All in all, motherboard is getting power, but won't charge, or turn on via AC power.

Any ideas?

A:Laptop power jack issue.

Morning bump-- still looking for help, guys

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I have a Gateway 400 vtx. The problem with it is that the DC power jack has been broken off by being pushed inward until it snapped inside of the laptop. My question is how difficult is this to repair? What does it involve? Does anyone know of any sites that has information on taking this model laptop apart? This is the ... link.

A:Laptop DC power Jack repair

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Sooooo, I have a friend (AKA my I-can-do-it-all Little Brother) who decided he could solder his loose power connector himself. Apparently he got the board too hot maybe, because now there is nada, nothing, zippo. Did he truly "fry" the mobo? Is there anything I can look at to see if recovery is possible?
(I have recovered data from the HD just by slaving it to another machine and no apparent damage there.)

Thanks so much for your help.

A:Soldering Power Jack on Laptop

The Gateway laptop is several years old, so if they have to replace it, at least it wasn't new.

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I have an acer aspire 7xxx and trying to unsolder the jack because its broke.
Ive ended up breaking the jack off but i cant unsolder the holes. It seems realy hard theres pins going through the board from the jack that seem unsolderable they just dont melt down..

Ive been trying with solder and a pump at high temps but just getting knowhere

any tips on this? thinking about going to get some braid but i doubt that will work either.

many thanks.

A:Laptop power jack desolder

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I have a similar problem with my HP. The internal pin has broken off. I have dismantled the notebook but can't see an easy way of replacing the jack. Has anyone done this that can assist with the steps and pitfalls?

A:Laptop power jack broken

Even though it appears you're having the same problem, please start a new thread when you have a new issue. It's very difficult to keep two problems straight and who's working on what in a single thread.

I've created a new thread for your issue here.

Thanks for your cooperation.

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So long story short, my brother dropped my laptop a few times and it damaged the DC power jack to the point where it won't even charge even if I jiggle the AC adapter cable, bend it, or try and shove it in to the jack. I have a Gateway MD2419u laptop and when I talked to someone on the gateway support live chat, they said I'd have to get a new motherboard, but a local technician told me I just needed to have my power jack resoldered, or solder a new one on. So I'm just wondering, do I need a new motherboard, or a new DC power jack? I can easily just buy a new DC power jack and take the current one off and solder on the new one if that's the case.

A:Laptop DC power jack questions

"Easily"? If you can take it apart and put it back together, it can be replaced (or maybe just resoldered). But it is likely that the original soldering was done by a robot, so it may be a very small place to work in.

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Pin snapped off inside my Toshiba A65 laptop charger. I guess I would have to replace
power jack. Is there anyway I can get the borken pin out of charger plugin so that
I can use the charfer. I would rather not buy a new charger.

I have never openned a laptop other than to add memory. Would I be able to
replace the power jack.

Thanks for the help.

A:Sony laptop power jack repair

You should be able to get the pin out. If it were me, I'd use my really tiny drill and drill it, then use a very small screw to grab it.

If you don't have mechanical and soldering skills, as well as a decent temperature controlled soldering iron, I would NOT advice you to attempt the repair of the jack.

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My HP DV7 laptop died. I think it's just a power jack issue. Anyone know good repair shop on staten island or in brooklyn ?


A:HP Laptop Power Jack Repair - New York

The Wright Corner got the best reviews from what I've read.
The two places behind them would either be CRC Computer or Sysut Computers.

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I use an Acer Aspire 5101 laptop (usually with the battery in and plugged in with the cable) and a few days ago I noticed that moving the laptop would sometimes cause the LED light to switch off implying no power was coming in from the cable. Much of the time it stays on, but occasionally if moved it will flicker off again until I move the laptop to a better position. Sometimes it will even come on again and then flicker off without me moving it.

I have read about similar problems but have always heard that it is the actual DC jack that is the problem. I am wondering if this is the case with me, as with my laptop the actual jack and pin look absolutely perfect, are not loose, and sometimes just moving the cable near the plug slightly (while keeping the plug itself absolutely stationary) will cause the light to flicker off.

Is there any way I could just have wrecked my cable a bit and should buy a replacement? I don't know of a similar cable I could use to test this out, as my friend has a different Acer model and her adapter says 100-240V (1.5A) whereas mine says 100-240V (1.6A) and I don't want to risk causing any problems.

If not, is there any way to tell just by looking or feeling if the actual DC jack itself is the cause of this?

Thanks so much,

A:Laptop - broken power cable, or DC jack?

I had a similar problem with an IBM thinkpad, unfortunately it was in the internal pin which meant a new motherboard. bleah.

buy a new cable and see if it stops. Cables can take some wear at the back because they tend to get bent a lot near the back of the laptop. Hopefully its the cable (cheap fix) and not internal (expensive fix). Good luck!

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Hi guys,

I have a Toshiba L355 that will not charge. I tested the power adapter and I get 19v so it's fine. I took apart the laptop and it seems like the power supply makes a good connection the power jack but it is still no charging (no light on charge light even though battery is in and bezel is plugged in).

How do I test the power jack with a multimeter? I have it all hooked up and ready but don't know which contact points to use.

If you scroll down here you'll see what kind of connection I'm dealing with except its green/black isntead of red/black:

L355 Connector Problem


EDIT: Found out here how to test it. I plugged in the power adapter and measured it at motherboard side and nothing. If I put the battery in i get about 7 volts. Then I take it out and they start dropping.

Guess it could be the fuse?? Or do I have to replace the whole harness? Or could I just rewire it?

EDIT: Tested fuse for continuity and the reading went from 1 to 0, is that right?

EDIT: Problem solved. The positive/negative connections through the plastic to the piece where the power cord plugs into were loose. I'm buying a part tomorrow and resoldering it. This article should help for anyone having a problem with a Toshiba L355

Toshiba L355 Power Connection fix

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I have an issue where there is a hissing sound coming from the speakers when I plug them into my laptop headphone jack. But this does not happen when I unplug the power to the laptop and let it run on batteries. It also does not hiss with the speakers built into the laptop. Do you have any ideas? The hissing sound lessens if I plug the adapter into another outlet, but does the same with 2 different chargers. Any ideas?

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Hi. Im new on this forum, but I have a problem with my Inspiron 1545 laptop from Dell pre-loaded Windows 7 Home Premium 64-bit (although I did re-install several times with OEM OS restore disc). Money is tight for us now, so my AC power jack on the side of my laptop (or the end which connects to the jack) is damaged. I don't know what it is or how serious it is. Once for a while we had to protect the cord from slipping out using duct tape. The only thing I really know is that the coded white rim on that end of the cord, a very small part of it is chipped. And my battery needs replaced, do I need to still fork over an expensive sum for a brand new one?

A:Broken AC power jack, no battery power, help

Hi CSean and welcome to SF
As I understand it, it's not the Laptop-side of the connection that's broken right?
In that case you might find this link helpful:

Amazon.com: Replacement Plug for Dell Inspiron 1525 1526 1545 Laptop Ac Adapter: Computers & Accessories
Granted those aftermarket replacements are not necessarily in the same quality as the original parts.
You often trade off quality for price.
These seem to be original parts (for 3-6x the price as it seems):

Hope it helps you further

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I was happily using my laptop while it was plugged in. it suddenly said the computer wasn't plugged in. my cousin then jammed the wire in. im not sure if it's the power jack thats not working or the cord. i also need the files on my computer for a VERY IMPORTANT PROJECT and i need to retrieve them also please explain what to do as easily as possible as im only 13. my pc is a toshiba

A:Power cord or power jack failure

hi and welcome to TSG can you use your battery to power it untill you get what you need off.if you can get hold of another known good power supply for your make and model you can try it if that does not work then the problem is likely to be the jack point. i would not advise you to attempt the repair rather you took it for repair,laptops are a real devil to access and have many delicate parts which are easily broken even by the best

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My laptop will no longer turn on.  When the AC adapter is plugged in, the LED light is white indicating power is arriving at the laptop. However, nothing happens when I push the power button. Troubleshooting steps I have completed already include: Hard reset (several times including after each step below)Tried starting without the batteryRemoved all removable components and reseated themRemoved all removable components as well as bottom cover. Cleaned with compressed air. Put everything back.Nothing appears wrong and nothing happened between the last time it turned on and this time that I am aware of. The laptop is out of warranty, and I am pretty handy with computers. Is there anything that can be suggested short of a hardware replacement that would help get this resolved? TIA

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Had to up upgrade my power supply on my hp envy 750-116. The new power supply(500b evga) does not have a power cord for the slim laptop like drive. looking for possible fix for the problem

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I just bought the HP Envy and it has an AC adapter that does 120-240v AC but the power cord that plugs into the adapter says 7a 125v. Does that mean that that power cord will not work in a 240v AC country? Thank you,

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The power button broke and I can't power on or off without opening the case. It is powered on and I'm just putting it to sleep. The warranty for this computer is expired in January 2016. I am wondering if there is somewhere I can order the power button to replace it myself. I only need the button, not the power button board.

A:HP Envy 15 x360 power button broke - can't power on or off

Sure. What is the complete product number or product name of your HP Envy 15 x360 notebook?  So far you have only partially identified your HP product as being in a particular model series.  Look on the bottom of your notebook for the product number. It is the the following form xxxxx#xxx.  x= an alphanumeric character. Once you provide that product number I will be able to get you abn HP part number for the power button. Sorry to hear that your notebook isn't useable for now.

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Hello,   I have a HP ENVY 17.3" touchscreen laptop, model M7-k111x.  While using  it shut off on its own.  The only response I get when attempting to turn on is a blinking light on the ON/OFF button.  I think it blinks 3 times then nothing.  I had upgraded to Windows 10 about 2 weeks prior to this happening.  I am not postitive if it is 32-bit or 64-bit.  Sorry.  I have been told it might be a loose motherboard if I am lucky.....or I need to replace the motherboard.  This happened one month after the warranty expired of course. Any ideas?                                                                                                                            Please help!!!!!!!!!!  Lyn=)

A:HP ENVY 17.3" Model M7-k111dx laptop won't power up. The lig...

 Hi @JayLyn5476,  Thank you for visiting the HP Support Forums and Welcome.  I have looked into your issue about your HP ENVY m7-k111dx and issues with it just shutting down. Honestly, if you were not having any issues with the previous operating system doing this, I would think that it was Windows 10 and something not happy about the install. Now, if this was happening before, I would try:Control Panel  Power Options, Change plan settings, Restore default settings for this plan.Control Panel  Power Options,  Change plan settings, Change advanced power settings, Processor power management, System cooling policy.On Battery: set to ActivePlugged in: set to Active You could  try using the Windows Update Troubleshooting tool to fix any updates that have not come through for Windows.  Please restart the Notebook twice to make sure all update have been completed! Please let me know how it goes. Click the Thumbs up to give me a Kudos high five, just to say thanks for trying. Thanks.

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How can i turn on My HP Envy x360-15t w200 CTO Convertable Laptop with the screen lid completely closed?  I want to be able to turn on this laptop without haveing to open the lid to a mininum of 3.75 inches before it alowes me to fully power it up. I would like to set the BIOS in some way, or anything thing else that will alow me to symply push the power button and the computer comes on from an all power off position, to on,  with the lid completely closed. If there is a practical way to do this without haveing to start up the laptop from the sleep or hibernate mode i would love it. If this can be done please provide symple and detailed procedures. If you need more info, please ask for it. THANK YOU VERY MUCH.

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My Envy 13 laptop frequently gets incredibly sluggish when the power cable is plugged in. This appears to be because the CPU speed is being throttled. If I view the Performance tab of Windows Task Manager, the CPU speed drops to 0.38GHz within seconds of plugging the cable in. If I remove the cable, the speed jumps back up to around 2.7GHz and the laptop performs as expected.  I've ruled out Windows power settings as being the cause. In advanced power settings, processor power management is set to allow 100% for the 'maximum processor state'. Adjusting these settings and switching between different power plans (e.g. HP Recommended, High Performance, Power Saver) has no positive affect. The problem occurs regardless of whether I'm using the laptop for anything intensive - I don't believe the laptop should be throttling the CPU to prevent overheating.  I see this problem even if my only open application is Google Chrome with memory use of approx 35% and CPU <10%. Watching videos or using any more powerful software is impossible without lagging or hanging. Restarting the laptop doesn't fix the problem and this seems to have been a problem from new. I've downloaded all updates available through the HP Support Assistant program (including one for BIOS), but still see the issue. I suspect it may be BIOS related, but if so I'd expect all owners of this laptop to have the problem. Is this something others are seeing? I would b... Read more

A:Envy CPU speed slow when laptop power plugged in

HI @ElZoid, Welcome to the HP Forums!  It is a terrific place to find answers and tips!For you to have the best experience in the HP forum I would like to direct your attention to the HP Forums Guide:  First Time Here? Learn How to Post and More I understand that when on battery power your notebook's performance is good, but when you connect it to power the  notebook's power decreases.  Restarting the notebook does not change the behavior.  You have done all the HP updates. Here is a link to  HP Notebook PCs - Testing and Using the AC Power Adapter that will rule that possibility out.Are you connecting directly to an outlet and not in a power bar? Have you tried a different outlet? Here is a link to HP PCs - Increasing System Performance and Maintaining Your Computer (Windows 10) that may also help. Next  I would try restoring the default power scheme.Right click on the Windows button (lower left corner)Choose command prompt adminType powercfg -restoredefaultschemes and press enterPlease keep me updated on your progress. Once you find an answer that solved your difficulty, please choose "Accepted Solution" to alert other people to your success.  

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My hp envy j040us laptop of 3 years, just shut down and never came back on. I did a hard reset but nothing improved. Right now when the power button is pressed , I see 4 steady blinks at 4 seconds intervals followed by one quick blink then the sequence starts all over again. Any assistance will be greatly appreciated.

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I have 2 failed Z800 power supplies (1150 watt version). After some internet research I am led to believe this is a common problem and related to the PS capacitors. Since I do not know how to do this capacitor replacement (yet). I thought I would buy a new PS. However, I do not want to buy a Z800 PS since it seems to me to be a defective design. Can anyone chime in and tell me if the new z840 1125 watt PS will work with my older z800? I have called HP support and spoken with the correct support people on this and they were not able to confirm if the Z840 PS will work (fit) on the z800. The closest confirmantion I recieved was that if it fits then it should work. Instructions to fix the capacitors:http://h30434.www3.hp.com/t5/Business-PCs-Workstations-and-Point-of-Sale-Systems/Z800-power-on-issue... Same issue I am facing:https://www.youtube.com/watch?v=f563JGeoxaw On a side note, can anyone recommend a good service tech to make such capacitor repares in Southern California or insrtuctions on how to make this repair (with pictures). Thanks    

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I replaced my damaged screen on my Model number eleven Dee zero one zero double u em, with the exact same type of screen I bought off amazon. I even double checked the screen and made sure was the same screen model number, B116XW03 Be one one six ex double u zero three I followed the instructions down to the letter of the video, being very careful. I put all back together just as the guy said in the video and now my screen won't come on. I reopened and checked that video cable was attached properly it and put it back together again and the screen still won't come on. My power light comes on and stays on, nothing else is flickering or doing crazy stuff and still my won't come on. What other troubleshooting technique should I try? Please help.

A:I replaced my laptop screen, my power light is on but screen...

What is the complete product number or product name of your notebook? Connect an external LCD display to the notebook.If the display shows a normal desktop and you have  carefully double checked the connections of the laptop screen, contact the seller for an RMA.   That test shows the display  is faulty and your notebook's video solution is working as it should.

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Hi, I replaced the fan and put the laptop back together. But, the fan is not working. The fan can rotate freely by hand so it is not stuck. It seems that it tries to start but it doesn't.In the startup it shows this: System Fan (90b) Here is the video of how it looks like.  https://vid.me/xDCw I updated the BIOS for the laptop just in case it is because of that. But it didn't help. It would be nice to have your opinions.  

A:HP ENVY - 15t laptop fan was replaced but still not working ...

Hello, Thank you for posting in the HP Support forum. Welcome! I am sorry for the issues you experience. The startup message just confirms the issue - it is hardware problem related to not working System fan - it doesn't recognize it or it's not working.  I'd suggest you turn to HP Authorized Service Center where the technicians will be able to check the situation live and onsite. You can bring the computer yourself or ship it.  If your computer is under warranty, you should first notify HP support. If you need assistance finding the nearest service center, you can also contact HP Support for assistance. Here are some URLs that you may find helpful:>> http://support.hp.com/us-en/document/c00372730>> http://www8.hp.com/us/en/store-finder/find.do?bs=SR4&type=authorized>> http://www8.hp.com/uk/en/contact-hp/contact.html  Keep me informed about how it goes.

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I'm hoping someone can help.

My parents have a pretty basic emachines PC. The other day it was switched off for the first time in months! Now it won't power up at all, not even a standby light.

I did a little 'research'. From what I read, I gathered the issue could have been a failed PSU. (I am quite certain that it's not the power cables or socket or anything like that). I bought a new PSU and installed it but still no joy.

Is it likely that the motherboard has been wrecked?

If so, am I right in thinking that it's just aswell to get rid and buy a new PC?

Many thanks for any advice.

Sweet x

A:No power to PC - have replaced PSU

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I am not familiar with English but I try to speak well. I have a ASUS laptop. last 2 week, my battery charged to 70% not more but last week my battery always show zero and my problem start here. When I plug my laptop (because without it, it doesn't power on) It's automatically power on after 2 seconds then power off and again power on then I can use my laptop without problem.
so I have this laptop for 2 years. Is this the life of battery? and why this happen when I plug in my laptop? Is it possible to help me?

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