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My netbook won't even turn on, when i plug in the DC connector it start's beeping every second, with the top right corner and screen flashing too, its a lenovo ideapad s10-3c

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  • 140 Answers

Bring it to a repair shop. It usually is a problem with your memory card

Posted on Nov 04, 2013

Testimonial: "Sorry for not updating, I've noticed the lcd connector had one bad pin and it was touching with the one on his side, i put it back on it's place. Now there are no beeps but won't give image. Is the motherboard dead? Already tried turning it on without memories & without HDD and many different ways"

  • vittotomol
    vittotomol Nov 05, 2013

    Yes, your motherboard could have been fried with the short circuit due to the connectors touching each other.

  • Facundo De Lorenzo
    Facundo De Lorenzo Nov 05, 2013

    Well.. Thanks for the help

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Posted on Jan 02, 2017

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How to get picture on screen when I turn it on my nextbook 10.1


Do you have a video cable (HDMI, DVI, or VGA) connected between the netbook and a TV? If so, unplug it and see if that restores your picture. If not, look for the icon on or near the number row at the top of the keyboard where you can change your display output. It usually looks like a computer or monitor on the key. Press it a few times and see if that helps. If this doesn't do anything, have you tried restarting by holding down the power button for 5-6 seconds? This is called a hard shutdown. When press it again to start the netbook do you see anything on the screen at all in the beginning and then it goes blank right before Windows loads? Or does the fan stay real loud and nothing ever comes up on the screen at all? If it's the first scenario where something does comes up but Windows doesn't load you may have a video driver issue. You need to start the netbook and continuously hit either F8 or F10 to go into SAFE MODE. Then choose the start in SAFE MODE option and perform a SYSTEM RESTORE to roll back your current settings to the last known good configuration. If the second scenario comes up where nothing at all comes on you could have several problems: the screen is dead due to a fault or loose internal cable, the video card is dead or damaged, or your motherboard is dead or damaged. These will require warranty repairs or professional repairs. Do you hear any beeps when you restart? These matter if you do. Listen for short and long beeps and write down their pattern. They will tell you what is wrong based on your computer. For instance two short beeps followed by two long beeps sometimes means bad RAM.

I hope this helps! Let me know if I can be of further assistance.

Dec 06, 2014 | Televison & Video

1 Answer

Monitor won't turn on after a few hours of being shut off


If it EVER works, then the problem is not a failed part, but a weak part. The most likely component type to give you such problems are capacitors. But very few repair techs know how to find such problems, and even fewer have the equipment needed to find the bad one(s) in-circuit. The failure mode is high ESR (ESR means Equivalent Series Resistance). The lower the ESR, the better. Capacitors with high ESR cannot stabilize circuits which demand high pulse currents, such as in switch mode power supplies.

Apr 24, 2017 | Generic Computers & Internet

1 Answer

Toshiba nb100


http://www.notebookcheck.net/Toshiba-NB100.12668.0.html

1) First thing to check is the AC adapter (Charger) power output.
It is 19 Volts (DC)
Suggest use a multimeter to check.
An economical, yet good enough for this test, multimeter, can be purchased for as little as $8 to $12.
Available in a multitude of stores. An auto parts store is but one example.

http://www.youtube.com/watch?v=LnTxs0o5CJA

In the above video ->
DO NOT TEST THE POWER LINE CORD -> GOING INTO THE AC ADAPTER (Charger) 0:00 to 3:58 in video.

-> TOO DANGEROUS. Take the power cord to a pro to test it.
AGAIN -> DO NOT TEST THE POWER CORD
110 to 220 volts will give you a BAD SHOCK to -> FATAL <-
(Can kill you)

For the second part of the test starting at 3:58, it is okay.
You will be testing for 19 Volts -> DC
If the voltage shown is not at least 17.1 Volts (DC), (90 percent),
the AC adapter is no good.
Replace.

AC adapter checks out?
Then it's time to check the DC Power Jack.
(DC_IN on the laptop. The jack on the laptop you plug the AC adapter into )

2) Remove the Battery. With a non-metallic object, gently see if you can wiggle the center pin of the DC Power Jack around.
ANY perceptible movement means a bad DC Power jack.

Good news is that it is Not soldered to the motherboard. It is attached to wires, that are attached to a small white plug in connector. (DC Power Jack is connected to a harness),

http://www.amazon.com/TOSHIBA-NB100-NETBOOK-CABLE-HARNESS/dp/B005J9CEXS

(You can click on the photo to enlarge)

Once removed, you can check it for continuity with the multimeter, set to OHM. (1K)
Or have it checked.

The DC Power Jack harness, plugs into the CN5 connector on the motherboard,

http://www.aliexpress.com/store/product/MOTHERBOARD-FOR-TOSHIBA-NB100-NB105-V000155020-6050A2213401-100-TSTED-GOOD/202172_485947825.html

Looking at the motherboard in the photo, you will see two green squares. The middle square is the Processor.

The green square to the right is what I want you to look at. Specifically, the small white connector to the right of it.
(The green square is a chipset. It has a white triangle < pointing to the Top/Right corner)

Put your mouse cursor on the photo. (Magnified view)
Go to the small white connector to the right, of the green square
I indicated above.
Has a small white arrow ( > ) pointing to the Top/Left corner of the white connector.
This is the CN5 connector on the motherboard.

If the DC Power Jack harness is not the problem, then the problem is Power MOSFET's on the motherboard, and or Capacitors.
(Ceramic SMD capacitor/s)

[Just basic info. Pertains to an HP laptop. Just want you to see about Power MOSFET's,

http://mayohardware.blogspot.com/2010/04/important-parts-on-dv6000-and-dv9000.html ]

Choice is yours, whether you wish to have bad electronic components replaced, or replace the motherboard.
May be more feasible for you to replace the motherboard.

Toshiba Netbook PC NB100 Service Manual, (Free. No junk attached),

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

Go to the subheading -> Mini Notebook. (5th one down)
Left-click on the blue -> NB100

This is 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 (NB100) it may take up to 30 seconds, before the first page comes up.

In the Bookmarks menu to the left, click on the + sign to the left of -
Chapter 4.
In the list click on ->
4.7 System Board, DC-IN, RJ-45 Cable and Bluetooth Card

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

Jul 25, 2012 | Toshiba Computers & Internet

1 Answer

Netbook won't turn on when plugged in


When you plug in the power cord is there any lightswhatsoever on the laptop, where the plug goes in or on the AC Adapter of thepower cord?

When you press the power button do you hear fans running, hard drive spinning,lights on the computer, hear any beeps or lights constantly blinking, hear theDvD/CD drive click and the light on the drawer of the DvD/CD turn on for asecond or two? If so the laptop is trying to boot or may have booted, butthe screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous.

Maybe your power cord is bad if you don't get anything to happen whatsoeverwhen you press the power button. And if that's true maybe you wasoperating off the battery the last time you had it on and since the power cordis bad, it was not charging the battery so the battery is drained and the powercord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove theBattery, then Press and Hold the power button for 30seconds. After 30 seconds plug the power cord back in (leave the batteryout) and hit the power button to see if it boots. If it does, you can putthe battery back in and let it charge.Maybe your DC Power Jack which is where the power cord plugs into the computer is bad. Take an ink pen and push the tip inside the jack and see if the little pin wiggles, if so the jack is bad. You'll have to take the laptop apart to fix it. Most times it is soldered onto the motherboard, so you will have to desolder the old and solder a new one.

Mar 31, 2012 | Dell Inspiron Mini 10v Netbook Computer

1 Answer

My laptop won't charge. I have an acer aspire 5315 that won't charge, I had problems with the charging adapter before so I thought that was the problem and replaced it, the replacement worked for...


For a test -Remove the battery from the laptop. (leave it out) -Plug in the adapter and turn the laptop on. -Gently wiggle the adapter plugged in

If the computer powers off the solder and/or pins have broken loose from the DC jack. This is very common. Average repair bill is around $150, if your in the Denver Colorado Area I can do the repair for about $50
If it won't turn on while you wiggle the adapter and hit the power button then the adapter is bad again sadly

Jul 09, 2011 | Acer Aspire One Netbook 8.9" Notebook

1 Answer

On start up the lap top starts to come on and within 6 seconds it switches off and not even the screen comes on?


Do you have it plugged in? Also, do you know if the battery is charging? You may have a bad DC connection.

Problem symptoms:

  1. Laptop randomly shuts down without any warning.
  2. Power LED and battery charge LED start flickering when you wiggle the power cord or the AC adapter tip on the back or your laptop.
  3. The battery will not get charged.
  4. When you plug AC adapter, the laptop appears to be dead and there is no LED activity at all (DC-IN jack on the system board is broken).

The DC connector needs to be resoldered on the system board.

Dec 08, 2010 | HP Compaq nc6000 Notebook

4 Answers

Hello my laptop t41 power is not even flash but the adapter is working,am technician and i have troubleshoot allot.


I concur with what Diegotech stated.

To iterate further;

1) The DC Power Jack (DC IN), may have cracked solder joint/s on the motherboard connector, (Female), where the DC Power Jack plugs in.

Resolder

2) The DC Power Jack may be broken.
Center Pin mount, and/or body of DC Power Jack, and/or Outer Shell mount.

Replace DC Power Jack.

3) Wires from the DC Power jack plug to the female connector on the motherboard, may be bad.

Replace DC Power Jack.

Two examples, of a place to buy an IBM ThinkPad T41 DC Power Jack,

1) http://www.buy.com/prod/dc-power-jack-connector-socket-for-ibm-thinkpad-t40-t41-t42-r50-r51-r52/q/sellerid/23962916/loc/101/215782035.html

2) http://www.machinaelectronics.com/store/buypart/IBM_Thinkpad_T41/DC-P001

Past this point it's a bad DC sensor on the motherboard.

Replace motherboard.

IBM ThinkPad T41 Service Manual, (Free),

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

On this page go down to the 8th line.
The one that starts with > ThinkPad T20.

Go across, and click on > T41

Takes approximately 2 seconds to see the first page, and additional time to fully download.

Page 142 for 14.1 inch LCD screen
Page 151 for 15 inch LCD screen

(PDF file page number box at top)

Dec 01, 2010 | IBM ThinkPad T41 Notebook

1 Answer

Monitor comes on for a few seconds then goes blank.


Your looking at profesional repair. It could be DC/DC convertor, Monitor unit or PC/IF unit. (last two are expensive)

Jan 22, 2009 | Sharp LC-M3700P 37 in. HDTV-Ready LCD...

2 Answers

No power


take the battery out, wait 30 seconds, reinsert. it should start up on its own. if it doesnt work come back for more help.

Feb 19, 2008 | RIM BlackBerry Pearl 8100

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