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Testing Laptop Motherboard Power Jack With Multimeter?


Thanks, AK. Check all connections, make sure CPU, RAM seated correctly, etc… If everything looks normal, try turning on the laptop in minimum configuration: motherboard, CPU, memory, external monitor. IML Tech August 29, 2010 | Gary, I have an HP DV9820US laptop. Have you had a case like this? http://placedroid.com/how-to/testing-a-motherboard.html

Also broke the power connector on the laptop. By the sounds of it, you tested the jack correctly. And no I was not able to repair it, it is dead in the water. Quote:Did you ever find out what caused the problem?

How To Tell If Dc Power Jack Is Broken

Tools You will need. 1. The adaptor light blinks when I connect it to the power supply, but as soon as I plug the jack into the laptop socket, the light on the adaptor goes off. carpio01 629,862 views 25:36 Manually Test a (PSU) Power Supply With a Multimeter by Britec - Duration: 10:37. On the HP site there is a recall for batteries, I shut down the computer and removed the battery to check the #'s, after that the problem started.

  1. robb November 16, 2009 | i have acer extensa 5630 ez.
  2. I exposed the wires and it looks like I have the following colored wires: from left to right:Gray, white, brown, black, empty, tan, orange, red.
  3. The soldering points have become loose/damaged.
  4. So I've turned it off via the power button.
  5. So i found the fuse, but it is ok… the tester sounds when i test it Did you test the AC adapter?
  6. does anybody have any clue whats wrong with my computer?
  7. Please try again later.
  8. Ask !
  9. What would you check first to see where is the problem.

Once you have soldered the center pin check it with the need nose pliers again and confirm it is not loose anymore. carmine May 11, 2010 | compaq presario v2000 it wont turn on nothing not a sound please someone help. HD!! - Duration: 7:15. How To Check Dc Power Jack A short on the DC connector end is likely in the connector.

Take a look at these guide for some pictures: http://www.insidemylaptop.com/repair-damaged-power-jack-toshiba-satellite-l305-l355-laptops/ Again, find out if motherboard gets any voltage from AC adapter. How To Test Laptop Power Supply With Multimeter More about : test laptop power jack broken getochkn a b D Laptop April 13, 2014 7:46:47 AM Some of those are for the LED on there, especially if it's a Afrotechmods 3,433,155 views 4:36 How to repair laptop motherboards - Duration: 4:58.

Could be memory failure. 1.

I push the power button and then both the blue power light and the yellow charging light are flashing on and off. How To Test A Laptop Battery With A Multimeter Do you think the fact that the LED on the DC jack does not like up indicate that the DC jack is busted? Any advice will be greatly appreciated! Diego May 30, 2010 | I already changed the AC charger and the power jack!

How To Test Laptop Power Supply With Multimeter

It wont power on with battery or mains supply, At first it would power on after waiting 5 mins , this then extended to hours then days and now its weeks Thanks a lot. How To Tell If Dc Power Jack Is Broken could it be the motherboard or processor? How To Check Laptop Motherboard With Multimeter Pdf Now when i try to turn it on, the lights all come on and the fan starts up….but no screen or anything??

Which makes me wondering, what else it could be? have a peek at these guys Score 0 tilopa88 March 2, 2010 4:30:07 PM My problem seems to be more extensive than just the power jack. This is actually the 2nd motherboard I have come across with the same fault & still cannot solve this problem. Here's service manual for Acer Aspire 4720G, 4720Z, 4720 and 4320 series. How To Check Dead Laptop Motherboard (step By Step) Pdf

Thanks IML Tech October 26, 2010 | Matt, Hi I have an HP dv2500. Maybe the adapter is not working properly when loaded. To the left I'm testing the input resistance of a power regulator board. http://placedroid.com/how-to/testing-motherboard-cpu.html Before ruling out a bad motherboard or DC Jack, you want to confirm that the AC Adapter is in good working order and it is putting out the proper voltage.

electric,screen everything….. How Close Should The Voltage Measured Be To The Accepted Voltage Of The Laptop? mimmerfy June 27, 2009 | IML Tech, Hi, it has a separate power button board and the quick buttons for email,internet etc. How can I bypass the power button by shorting it, I know how to do this on a desktop you simply put a flathead screwdrive on the 2 pins that connect

Nanle Stephen October 15, 2010 | It's just wonderful, but my problem still unsulve.

Sign in to make your opinion count. Regards Stefan stephen October 5, 2009 | hello, i have a d600 latitude. The laptop should start properly when the bad module removed. How To Check Dead Motherboard Step By Step Do you have two memory modules installed?

Sign in to add this to Watch Later Add to Loading playlists... Sign in 130 4 Don't like this video? A bad motherboard is harder to confirm but usually if there is no sign of life, no sounds, no fan spinning, no lights flashing or turning on, then this would be this content Strange problem, when I turn it on it turns back off after 1-2 seconds.

First of all, test the AC/DC power adapter with a multimeter. You can of course buy a new DC power jack and wait for it to come in but if there is a bad connection here I repair the problem area . Watch Queue Queue __count__/__total__ Find out whyClose Testing DC Jack on a Laptop Motherboard with Multimeter Jason Smart SubscribeSubscribedUnsubscribe422422 Loading... so wht i did was use my friend's laptop's battery(shes got the same laptop) and the laptop turned on, the charger was plugged in but it was not charging.

Do you have any idea about what the problem could be? How much does a fuse coast and is it easy to replace? IML Tech September 10, 2009 | AK, Having same problems with the toshiba screen, m305d-s4380, the screen flickers, i have found that applying a bit of pressure on the borders of So I’ve turned it off via the power button.

The tan, orange, and red read 18.3V, 19V, and 19V respectively. If the problem is still there, could be bad motherboard. Ill try another AC Adapter but I dont think its the problem since I can’t start it with the battery. Any second opinions would be greatly appreciated before I go and spend a smaLl fortune on another notebook…..

Tried pressing and holding “C”; tried FN key + F5, as well as F12. What else can i do? Shaun June 18, 2010 | I am working with a pavillion dv4. This is a good flexible repair and will hold up to stress better as the jumper wire is flexible.

IML Tech May 29, 2010 | Diego, My computer does not charge the battery when it’s plugged in but it does recognizes the charger, the led lights up and the computer Category Howto & Style License Standard YouTube License Show more Show less Loading... The power, and battery lights show, DVD rom runs but shows nothing, i have tried to observe it and it runs then stops, removes the power light then starts again but I tested the fuse, but 0V.

Any ideas? Would that have made a big difference? 10-19-2012, 06:23 AM #10 ALR5 Registered Member Join Date: Oct 2012 Location: Alabama Posts: 21 OS: Win 7 Yes it can...If