Question about Gateway 450ROG Notebook

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Gateway 450ROG WiFi Not Working

I recently dropped the laptop and broke the DC jack so I bought a new one an re-soldered it to the motherboard. After putting the laptop back together all seemed fine but then my WiFi died. The radio is not getting any signal. I've checked the antenna wires and they seem fine. Not sure if this is related to the earlier drop or not but I'm looking for any ideas on how to test the WiFi antenna or otherwise diagnose the issue.

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  • talknmime Feb 22, 2009

    The WiFi card is being recognized by the computer. Wouldn't that not be the case if it wasn't getting any power?

  • talknmime Feb 22, 2009

    I went back and desoldered the DC jack then let the laptop run just on battery. The WiFi still has no signal but I don't think it has anything to do with lack of power.

  • jhamre Mar 27, 2009

    I replace the hard drive and now can't find wifi? doesn't show in my computer. any ideas? oh, of course I don't have the start up disks. ;>(

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Sounds like you need to look at that board closer. You wifi is not getting power.

Posted on Feb 21, 2009

  • bob collins
    bob collins Feb 22, 2009

    When you dropped it, was the card in it. This is kinda dumb but have you tried another card or simply another card in the same slot?

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Power jack fix


http://support.gateway.com/s/Mobile/Gateway/450ROG/3501353sp66.shtml

http://www.laptopking.com/kingpartdetails.asp?ref=2371&category=dcjack

The above is for an example, not advertising.
Enlarge the photo. Shows the Front and Rear view also.

The Center Pin is the Positive connection. The Center Pin has one prong lead going to it.
The cylindrical metal shell, inside the jack; is the Negative connection. As you can see there are two prong leads going to it.

Lastly there are two prongs that stick up also; but only go to the U-shaped metal bracket, that adds stability to the jack.
All prongs of course go down into the motherboard, and are soldered in place. The jack is shown upside down.

You need to wear an ESD wrist strap, and have it's alligator clip attached to a good ground source.
Your body carries Static Electricity. Static WILL fry out (Short Circuit), the delicate hardware components inside a computer.

With an ESD wrist strap, the threat of Static shock to the components is removed.
(And having it's alligator clip attached to a good ground source)

Motherboard removed, the motherboard is turned Bottom side up; so you can access the solder joints, to each one of the DC Power Jack's prongs.

I cut a 6 inch piece of Desoldering Braid, (Solder Wick), and lay 1/2 inch of the tip; across one of the solder joints.
Lay your 25 watt (Or so) soldering iron on top of the braid, JUST until the solder melts.
(No.2 chisel tip for the iron)

All you are trying to do at this point, is try to remove as much of the solder as you can.
The solder wick, (Desoldering Braid), will su-ck the solder up.
Usually the first try gets rid of a lot. You will be leaving behind a thin coat of solder.

What you DON'T want to do is burn the motherboard. Go slow. Takes all day, it takes all day.

If you overheat the motherboard in that solder joint hole's area, you risk lifting a circuit trace up off the motherboard.

[Circuit Trace. Also known as Signal Trace. Think very thin flat copper wires, going all over the motherboard ]

You can also burn the circuit trace hole, (Solder joint hole), and then it won't accept tinning.
(To Tin with solder, is to leave a light coat of solder. A soldering iron, or gun's tip; is Tinned before it is ready to use)

Solder wick tip part that you are using get's 'full', then cut it off so you have a new tip to work with.
Go around, and remove the excess solder, from all those DC Power Jack solder joints.

Removed the excess solder from one DC Power Jack prong?
Allow the motherboard to cool a bit, before going on to the next one.

All excess solder removed from each DC Power Jack's prong, there should just be a light, to slightly heavier; coat of solder left behind.

With the motherboard cool enough to touch, use your fingers to put prying pressure on the jack.
The balls of your fingers grip the jack, and your fingernails work as fulcrums. Gives leverage for your fingers.

Solder iron tip cleaned (Wipe across damp sponge), touch each solder skin joint left behind. You will see you can pry on one side; more than the other; and 1 or 2 prongs should start coming up out of the motherboard.

You can only go so far with them, because the other prongs are still holding the jack.
Allow to cool down some if needed, then go to the other prongs, and heat their solder skin joints.

Keep going back, and forth; or around, and around; until finally all prongs are free from the motherboard, and the jack is removed.

If there is a skin coat of solder left over the circuit trace holes -
LEAVE IT ALONE.
If you try to pick it open, or drill it out with an X-Acto knife blade; you RISK ruining the motherboard.

When you go to install the new power jack, the prongs will be resting up against those holes; and you just touch the solder skin joints one at a time, until the prongs poke through.
See how easy that is? lol!

BEFORE installing the new jack you need to THOROUGHLY clean the solder joint areas. The circuit trace holes, and surrounding area.
I use an old toothbrush, and Isopropyl Alcohol. (Rubbing alcohol)
91 percent is best, but 70 percent will do.
50 percent = no IMHO, because it is 50 percent WATER, and 50 percent Alcohol.

CAUTION!!
Isopropyl alcohol is EXTREMELY FLAMMABLE!
Use in a WELL ventilated area with NO sparks or flames present.

After cleaning you may find that solder was lifted off, and the circuit trace hole needs to be re-tinned again.
Do so if needed.
DC Power Jack in place, I suggest a LITTLE dab of Rosin paste flux; on each prong to be soldered. (Use a flux paste brush is best)

Helps make that solder stick, and you can make a pretty solder joint. (Should resemble a 'Hershey's Kiss', and be bright, and shiny)

Just examples, not advertising;

1) http://www.radioshack.com/product/index.jsp?productId=2062744

2) http://www.radioshack.com/product/index.jsp?productId=2049774

3) http://www.amazon.com/Oatey-30710-Solder-Flux-Brush/dp/B000M2WO3C/ref=sr_1_3?s=hi&ie=UTF8&qid=1357458865&sr=1-3&keywords=flux+brush

More info that may help;

http://www.laptoprepair101.com/laptop/2007/12/06/dc-power-jack-repair-guide/

Service Manual (Free),

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-gateway

Go to - Gateway 400. (400 in blue) Scroll across, click on -
450ROG

(It's a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name (450ROG), it may take up to 30 seconds, before the first page comes up )

For additional questions please post in a Comment.
Regards,
joecoolvette

http://www.skyline-eng.com/index.cfm?fuseaction=product.display&Product_ID=5043

Jan 05, 2013 | Gateway 450 Rog, Xp Pro, 512ram, Intel...

1 Answer

Laptop won't power on with ac adapter or battery


Could be a combination of things.

1) Battery is low. Not enough power to turn the laptop on.
Caused by;

2) AC adapter has a plug on the end of the cable. The plug plugs into a DC Power Jack on the laptop.

The DC Power Jack is bad.

2a) The DC Power Jack has a bad connection to the motherboard, (Cracked solder joints), and/or the jack itself is bad.

2b) Center Pin is loose in the jack's mount.
The back of the Center Pin where it mounts has become loose.

2c) The plastic body of the jack, which composes the jack's case, is cracked. This allows movement of the Center Pin.

2b, and 2c cause a bad connection with the AC adapter plug.

No charge to the Battery, no power to the laptop.

http://www.laptopjacks.com/view_part/For-Gateway-MX6920-DC-Power-Jack-GW51425.html

[ If this is the case the DC Power Jack needs to be resoldered to the motherboard. The cracked solder joints need to be re-melted, (Reflowed)
Entire laptop needs to be disassembled down to the bare motherboard in your hand.
(No Processor, Ram Memory, or any adapter cards mounted to the motherboard. Nada)

OR,
The DC Power jack needs to be replaced.
This entails disassembling the entire laptop, down to just the motherboard in your hand. (Same as above)

The old DC Power Jack is de-soldered, and a new one soldered in place.

Very FEW computer repair shops have the necessary skill level.
They just want to replace the entire motherboard.
IF one is available.
More Ka-Ching for them also. ]

3) The AC adapter is bad.
Not providing power to the laptop, to charge the Battery, nor give power to the laptop without the Battery.

AC adapter cord from adapter to plug, which plugs into the laptop, (DC Power Jack), may have a break in it.

May be an intermittent contact provided by wiggling the cord.
If this is the case the wires have stretched, and broken.
Wiggling causes the wires to briefly touch, and make contact.

Where this cord meets the plug itself. A lot of times there is a break in the wires in this area.

Solution is to replace the AC adapter. There are universal AC adapters you can buy, or perhaps Gateway still has some for sale.
(Ka-Ching)

Oct 21, 2010 | Gateway MX6920 Notebook

2 Answers

Access to solder joint Gateway MX6440


Hello. I have seen this happen with all models of laptops. Too bad Apple has a patent on that magnetic power cord they use...

You can find all of the service and user manuals for your Gateway laptop here...

http://support.gateway.com/support/manlib/Notebooks/notebook.shtml

Good luck!

Dec 03, 2009 | Gateway MX6440 Notebook

5 Answers

MY GATEWAY LAPTOP NO LONGER RECEIVES POWER.


Motherboard or harddrive? I'm betting it's more towards the motherboard. The DC Power Jack to be more specific. This is the port where the AC adapter, (Charger), plug is plugged into.

The DC Power Jack is not much bigger, than the plug for the AC adapter that plugs into it. There are small pin leads that are on the bottom of this jack, and they go through the motherboard, and are soldered to the motherboard.

Accidental bumping of the AC adapter plug, while plugged into the DC Power Jack, can damage the jack. It can break the connections for the adapter plug, and/or can crack the solder joints for those small pin leads.

[Laptops use DC electricity. A flashlight battery, and a laptop battery, are examples of stored DC electricity. DC electricity has two poles. Positive and Negative. The DC Power Jack has two connections. Positive and Negative. {Even if the DC Power Jack has multiple holes in it]

There is also another known problem associated with DC Power Jacks. It may stem from a bad motherboard design.

More to the point, the area where the DC Power Jack mounts on the motherboard. In this design, the DC Power Jack motherboard area, is almost a separate part of the motherboard. It's shaped like a Peninsula. (Think of an island, with one side connected to the mainland)

This peninsula shape, has the tendency to crack away from the main body of the motherboard. Circuit traces are broken.

When the AC adapter plug is setting in a certain position, it presses the two broken halves of the circuit traces together, for a momentary contact. As the AC adapter plug is moved from this position, the circuit trace halves are moved apart, and there is no contact.

(No distribution of electricity from one circuit trace half, to the other circuit trace half. Think of a circuit trace as a very, thin, flat copper wire. When a circuit trace is broken, there is essentially a wire that is broken into two parts)

Solution?
See if the DC Power Jack can be repaired, (Solder joint connections re-soldered), or replaced.
If the DC Power Jack motherboard area is the aforementioned peninsula shape, it may require replacement of the motherboard.

There are very FEW, computer repair shops that have the technical expertise to replace a DC Power Jack. Easy fix is to simply replace the motherboard. (More $$$$$ too)

However, some laptops DO require replacement of the motherboard for this repair.
Bad motherboard design, for the DC Power Jack area on the motherboard.

Re-solder DC Power Jack solder joints? (IF, this is the problem) Average is $50 to $75 (US)
Replace DC Power Jack? Average is $125 to $150. (US)
Replace motherboard? Depends on the Gateway model. Could be $225 to $400 (US)

[Yes, most of the time the cost warrants just replacing the laptop itself, as the cost of replacing, is close to the repair cost)

Just to SHOW you ab average DC Power Jack, and the repair involved of replacing. (Doesn't show you, that the entire laptop needs to be disassembled, down to the bare motherboard in hand)

This is NOT a recommendation to replace the DC Power Jack yourself! It is just for knowledge of what is partially involved. (You can accidentally burn the motherboard when desoldering, or soldering, rendering the motherboard useless)

http://www.laptoprepair101.com/laptop/2007/12/06/dc-power-jack-repair-guide/

Sep 09, 2009 | PC Laptops

3 Answers

Intermittent dc jack connection for Gateway mx3215


Here is how to disassemble Gateway laptop,

Here is replacement DC socket (needs soldering),

Here is DC board (no need soldering, but expensive).

Hope this helps.

Mar 17, 2009 | Gateway MX3215 Notebook

1 Answer

Gateway laptop AC adapter not working


Fixable? Maybe
Sounds like a problem with the power jack on the Motherboard. If so, it is possible to remove the board and replace the jack but this requires soldering skills and is probably not something the average person would want to try.

You might try another adapter to be sure but if it is a motherboard problem the best solution is probably to junk it and buy a new laptop.

Mar 14, 2009 | Gateway 450ROG Notebook

2 Answers

I dropped my laptop and now the battery will not charge.


Most likely its the DC Power Jack. Happened to me. You can find the part online by searching for "450ROG DC Jack" and then just resolder yourself or take it to a repair shop.

Jan 19, 2009 | Gateway 450ROG Notebook

3 Answers

Gateway Cx2610


You DO NOT need to replace the motherboard. Laptop jack can be replaced. This place can do it for you, you ship your laptop to them, they replace your jack, then send it back. It costs $99. A lot cheaper than a new motherboard! http://www.800tech.com/ And so you know, I am not affiliated with them in any way.

Aug 25, 2007 | Gateway CX2610 Notebook

2 Answers

Dc jack removel


I believe the DC jack is soldered to the board on that model. It must be unsoldered to remove (from the bottom of the board) and the new one soldered on. A soldering iron and a solder sucker (to cleanly remove hot solder) can be bought at Radio Shack, HOWEVER if you've never soldered before I would NOT ATTEMPT TO DO THIS REPAIR MYSELF! It's very easy to toast the motherboard if you don't know what you're doing. I would suggest finding a local electronics/computer repair shop that knows how to work with SMT components. Ask them for an anti-static bag for the motherboard and just bring the motherboard and new jack down to them to have the new one installed. It shouldn't cost more than $40 to replace that way and more like $20-30. Good Luck, El Duderino

Oct 20, 2006 | Gateway 400SD4 Notebook

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