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Need to repair laptop power supply port, very loose and laptop will not come on.

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Hey, its kinda tricky if you aint done it before, go onto google and search for your laptop model dc jack, they usually cost about £5 including postage, then you need to dismantle the entire laptop, remembering where each part goes back into, once you get the motherboard removed you need to unsoldier the old dc jack, and put in new one and resoldier it.
will take you about 1-2hrs in total, or should cost you about £55 for a shop to do it.

we do alot of them, but if you aint done this before it can be very tricky..

Hope this helps


Posted on Jul 27, 2008

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Posted on Jan 02, 2017

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Power Supply Failure ? I plugged a USB into front panel and lost all power,Is there a fuse or has the supply blown

It could very well be a power supply issue. Try narrowing down the source of the problem:
Does this power problem no matter what USB device you plug into your computer? If it is just one device, then it is something wrong with that particular device. I'd recommend replacing or getting it repaired.
If it happens with all devices it could be a problem with the power supply or USB port on your computer. Try a different USB port on your computer or have it looked at by a local technician.

Aug 22, 2010 | Acer Aspire RC500 PC Desktop


Tipical Computer/Laptop Post & Beep Error Codes

Error Code: Faulty Component:
1 short beep None (Normal Boot)

2 short beeps ( POST error)

Non-stop beep ( Power supply or system board)

1 long beep and 1 short beep ( System board)

1 long beep and 2 short beeps ( Video card)

1 long beep and 3 short beeps ( Memory)

3 long beeps ( Keyboard)

Non-stop short beeps ( Power supply or system board,a key on the
keyboard might also be stuck)

None ( Power supply,system board,or system
case built-in speaker)
Visual POST Error Codes:
Error # Range: Component with Error:
100-199 System Board
200-299 System Memory (RAM)
300-399 Keyboard
600-699 Floppy Drive or Floppy Controller
700-799 Math Co-processor
900-999 Parallel Port (LPT1)
1000-1099 Parallel Port (LPT2)
1100-1199 Serial Port (COM1)
1200-1299 Serial Port (COM2)

on Oct 01, 2010 | Computers & Internet

2 Answers

Sony vaio has stopped booting up screen remains black

do it only if u r a professional..

assuming that the system bios has not been flashed or updated in a wrong way..if so, u gotta replace the m/b, itz a permanent failure..(though there r some exceptions)..

well to b on safe the following:..
1) unplug mains supply..pick open/remove the cmos battery..check (above +3v)..resit..
2) see if the ram(s) is loose/ clean/remove carbon & or oxide formed on the teeth with an eraser n resit it..
3) check for ac main supply, battery [in case of laptop] and fuse..
4) open the chassis or cabinet, clear dust neatly..
5) check all the outputs of smps viz. 0v (black~ground); +12v (yellow); +5v (red, green~ps-on, violet~pg & grey~sb); -12v (blue); -5v(white); +3.3v(orange)..if faulty try repairing or replacing the power supply with a standby n see..[skip this step in case of laptop]..
6) check for the cpu fan is rotating and the cpu generating heat..try replacing the cpu with a standby (if no heat is generated)..
7) open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink Compound" (available in local electronics chip level spare market) between the cpu/processor and the CPU Heat Sink *** fan..resit/fit it tightly in position..
8) there may b a chance for m/b's crystal clock generator to b faulty..try repairing or replacing the m/b with a standby..
9) there may b also problem with ur monitor or dispaly unit, try replacing with a standby..[check the ccfl/inverter circuit/lcd in case of lcd(s) or laptop]..
10) try replacing/installing a substitute Display Adapter/Card..[or fit to VGA Out port, in case of laptop]..

seek professional assistance of ur system admin/vendor....

Nov 07, 2009 | Gateway ONE GZ7108 All-in-One Desktop PC

1 Answer

Power input , laptop keep's shuting itself off ?

You probably have a loose connection, if you put the laptop on a flat stable surface and do not move it does it stay on? as this is most likely a physical fault it would be advised to take it to a computer repair centre rather than try to fix it yourself. If it is the AC port expect to pay around £70 for it to be replaced.

Jul 02, 2009 | Packard Bell Computers & Internet

1 Answer

Laptop wont connect to power supply

Sorry to say it, but the charging port in your laptop may be loose. The "loose" feeling that is often described is because one solder joint comes loose, so by moving it around it will reconnect. Unfortunately, doing this also causes the other joints to come loose, and they will eventually break off too. If (and ONLY if) you have experience soldering with electronics, you can open the case of the laptop, and attempt to resolder the port back onto the motherboard. Even if this does work, however, the solder that is generally available to consumers is a lot weaker than commercial grade solder, so the joint will be weaker than it was before.

The better solution would be to find somebody with experience with this, preferably a friend that won't charge you, or take it into a shop to get fixed. Make sure you get a price estimate, though, as this can be a fairly time consuming process. 

Dec 23, 2008 | Computers & Internet

2 Answers


Try here - detailed photos for same problem on different model Gateway:

Dec 11, 2008 | Computers & Internet

1 Answer

Power supply port don't work anymore, i tried with a fresh battery and work well,tried several power cords and nothing happen,so,i heard about gateway mt series have this factory defect,help...

Power supply port? What is that? What battery are you talking about. What model and type of computer is this? If this is a laptop you will have to do the following. You have not really made your question clear. I will try to read your mind.

Sounds like your power plug has come desoldered. This is internal and will have to be taken apart to repair. If you are comfortable with taking it apart you can repair it yourself. If you have not ever soldered anything before or taken a laptop apart before you need to have someone else do it.
If you decide to do it yourself you will need the instruction manual to locate all of the screws. You will need a soldering iron and a camera along with a pencil and paper to draw a diagram and take notes. Laptops have a lot of fragile parts in them that will break. Do not do this if you do not know how. This is something that a qualified tech should do. You will see the plug and you will need to re-solder it back onto the board. One wrong move and you could damage the entire computer. If you try to do this yourself you are on your own and I am not responsible nor is anyone else.

Most of them have a break down on how to take it apart. The best thing that I can tell you is below. The only thing to do if you do not have the manual is to find a screw and take them out one by one. There should be a way to pop off the top part above the motherboard. You pry on both sides and it should pop up to get under it. The keyboard should pop up from the bottom. All laptops are not the same. Just be very careful, but if you are not sure that you can do it leave it alone. I could do it because I have done it before. Step by step directions without being there is very hard to do.

Jun 04, 2008 | Gateway Computers & Internet

1 Answer

Laptop acer travekmate 292exc dosnt power up and no lights are light up

everything about 'power' tells you something about the electricity power connection from all ramification.

1.check your power outlet to make sure that it is supplying voltage.

2.check for current supply between the wall socket to the the laptop power adapter.make sure that the power adapter is well fix
3.if the laptop connection port is weaken or loosen the laptop will not come up.make sure there is no power surge of any kind previously.if there is any look for a nearby technician to help you sort it out.

Apr 22, 2008 | Computers & Internet

2 Answers

Laptop keeps shutting off,battery is not on electric cord is connecting.. cord has a slight buzzing from the square is this normal..and i cannot use my usb ports

"Buzzing" from the brick generally means the fields are breaking down. This could also cause a problem to the main board.

Sometimes Radio Shack has the IGO Universal on sale, I paid $28.95 for mine with 8 different tips.

As far as the USB, the northbridge chipset should be updated, google the north bridge after installation and running

Also if the USB's bus is not operating, check the pcmcia card bus, if you install a wireless card or cardbus usb adapter and it hangs you have a motherboard chip issue.

Apr 10, 2008 | Computers & Internet

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