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Re: how to get Toshiba NB100 service manual?
All screws on the bottom of the nb 100 series are the same except the one under the battery and holding the cover strip in the center, put them in a small glass or cup and remove the screen that has two screws in hinge base above and two below, being careful not to break the wireless cable
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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.
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),
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,
Hello Unfortunately my friend this is the big problem with that laptop,small keyboard and not good back lighting,the only think you can do is to buy keyboard stickers or a keyboard Here is a link to ebay for stickers http://shop.ebay.com/?_kw=keyboard%20stickers&_fcid=80&_localstpos=&_sticky=1&_stpos=&gbr=1