Question about Sony VAIO VGN-C140G/B Notebook

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Battery When i start up my laptop connected to the wall outlet, it loads and works good. But, when i unplug the power cable, the computer just cuts off. I checked the battery in windows XP and Vista Ultimate and it says that there is no battery present, even when its connected to the battery. I sent it in for support, but i think that its not the battery or windows.

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  • honestysprot Mar 08, 2008

    i have the same problem with my battery as well. the ac adapter is fine, but i can never just use the laptop without it being plugged in. i did check the contacts and there didn't appear to be any bent or corroded parts. the little 'catch' for some part that looks attached to the battery component was open, but nothing was in it.

  • Randy Villalobos
    Randy Villalobos Aug 03, 2008

    I had the Exact same problem.

    the battery is dead, meaning that it does not work anymore.
    send it in for service, if its still in warranty. If it's not, just order a new battery.


  • Randy Villalobos
    Randy Villalobos Aug 05, 2008

    Yeah its solved already.
    Read my previous comment


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You may want to check the contacts on the battery and the matching contacts in the laptop, itself. Look for bent or broken contacts, any corrosion, any foreign material on them.
Not much help, I know, but that's all that I can think of right now.(other than a bad internal power supply)
R-

Posted on Nov 06, 2007

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I got this computer from my sons coach but it has a password on it how do i get pass that


Is it power on (BIOS password or Windows Password?

Clearing Forgotten BIOS Passwords (from Owners Manual Page 109)

CAUTION: To guard against electrical shock, always unplug your computer from
the electrical outlet before opening the cover.
1
Shut down the computer through the
Start
menu (see page 27).
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then
unplug it from the network wall jack.
2
Turn off any attached devices and disconnect them from their electrical outlets.
3
Disconnect the computer power cable from the wall outlet, and then press the power
button to ground the system board.
4
Remove the computer cover (see page 74).
5
Locate the 3-pin password jumper (see page 77) on the system board, and then attach
the jumper to both pins.
When you receive your computer, the jumper is attached to only one pin.
6
Replace the computer cover (see page 99).
NOTICE:
To connect a network cable, first plug the cable into the network wall jack and then
plug it into the computer.
7
Connect your computer and devices to electrical outlets, and then turn them on.
8
If you are prompted to press <F1> to continue, press <F1>.
9
After the Microsoft Windows desktop appears on your computer, shut down the
computer through the
Start
menu (see page 27).
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then
unplug it from the network wall jack.
10
Turn off any attached devices and disconnect them from their electrical outlets.
11
Disconnect the computer power cable from the wall outlet, and then press the power
button to ground the system board.
12
Remove the computer cover (see page 74).
13
Remove the password jumper.
Attach the jumper to only one pin so that you do not lose it.

Aug 05, 2014 | Dell Dimension 4600 PC Desktop

Tip

Laptop will not turn on, laptop will not power on, laptop will not start


Make sure your laptop battery has a charge. Plug it into the wall outlet for 30+ minutes and then try powering it on. When you plug it into a power source, usually the laptop will have a light indicating that it is charging. Look for a light. If the light does not light up, try a different wall outlet. <br />If it still does not charge, you may have a bad power cord, a bad laptop battery, the wall outlet may be bad or the laptop itself is damaged and will need to be serviced by a technician or replaced.<br /><br />Through the process of elimination you can narrow down possible causes.<br />-Try a different wall outlet(or by testing another device make sure the wall outlet is good)<br />-Try a different power cable.<br />-Try a different laptop battery.<br /><br />If none of the above help then you may need to have your laptop repaired(internal damage) or replaced.<br /><br />If your laptop is under warranty you should contact your laptop manufacturer or warranty policy holder to have it repaired or even replaced. <br /><br />If it is not under warranty you should look for local computer repair shops or technicians. <br /><br />-G33k<br />

on May 22, 2011 | Computers & Internet

1 Answer

My pc wont continue booting because of usb overload


what makes you think its usb overload ?

Check your computer's power cable and the power cables to any devices connected to the computer. Make sure all cables are firmly plugged into electrical outlets and into the computer and other devices. If you have an extra power cable for your computer, swap it in to see if your computer's power cable is the problem. Remove your computer's battery, if it is a laptop, and connect the computer to a electrical outlet to see if it will start up. Sometimes a discharged battery will prevent a laptop from powering up. If your laptop still won't power up, remove the power cable, replace the battery and try to run the computer off battery power. Unplug your computer and plug a lamp or radio into the same electrical outlet and see if that device works.
If the lamp or radio doesn't work, the outlet is the problem. Unplug your computer and open your computer's case, if it is a desktop system. Look for loose cables, cards and connections and attach them firmly. Blow out any dust with a can of compressed air. Also, check your computer's memory chips to make sure they are all plugged in and seated properly. Close the case once you are done and plug in the computer. Disconnect any USB devices connected to your computer and try to power up the system. Sometimes a USB device not connected properly will stop a computer system from powering on. Disconnect any new devices recently added to your system. Sometimes new devices will conflict with other hardware within your computer and cause an overload on your computer's power supply. Disconnect any other devices connected to your computer such as the keyboard, mouse, monitor, printer or scanner and plug your computer into a electrical outlet by itself. Check to see if the computer works. If does work, shut it down and connect just one device, such as the monitor. Turn on the computer and monitor and see if everything works. Continue connecting devices until you find the one that is stopping your entire system from powering up. Hope it helps.

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Jan 23, 2013 | Computers & Internet

1 Answer

Dell Inspiron 5720


F-8 is the key, Try to "cold start" the computer, meaning remove the power plug from wall outlet or uplug from computer, remove battery, now replace battery and plug computer into wall outlet. Push the on button while "TAPPING" the F-8 key repeatedly Tap, tap, tap, until you hear a beep or it load the black menu with safe mode options. IF THAT DOES NOT WORK: shut down the laptop,remove AC supply, remove battery. Plug the AC power back in,DO NOT INSTALL BATTERY, Start the machine, without battery installed, and tap F-8 repeatedly. If it still fails, PULL THE PLUG OUT OF THE WALL OUTLET WHILE THE COMPUTER IS STILL RUNNING. NOW PLUG THE LAPTOP BACK INTO THE WALL AND START, THAT SHOULD TAKE YOU TO A BLACK PAGE WITH WHITE SCRIPT WITH OPTIONS YOU ARE LOOKING FOR.

Oct 31, 2012 | Dell Computers & Internet

1 Answer

Locks frequently and restarts sometimes all by itself. Parts of the screen regularly skews in triangular shapes.


  • Verify that the power outlet you're using is good and your power cable is firmly connected to the wall outlet-if using a surge protector, be sure that it's firmly plugged into the wall outlet. Also, try temporarily plugging directly into the wall outlet to eliminate any issue with the surge protector; plug a different electronic device into the same wall socket to make sure the socket works, and also try the iMac's power cable in a different wall outlet.
  • Make sure the computer's power cable is firmly connected to the computer.
  • If any external devices are connected to your iMac, disconnect them and try to turn the computer on again. If the iMac will power up when those devices are removed, but not when they are connected, contact the manufacturer of those devices for assistance.
  • Try resetting the iMac's SMC
  • Remove and reinstall the SO-DIMM memory modules, located in the bottom of the computer.
  • Resetting the SMC for Mac Pro, Intel-based iMac, Intel-based Mac mini, or Intel-based Xserve

    1. Shut down the computer.
    2. Unplug the computer's power cord.
    3. Press and hold the power button for 5 seconds.
    4. Release the power button.
    5. Attach the computers power cable.
    6. Press the power button to turn on the computer.

Nov 12, 2010 | Apple 2.16GHz iMac Intel Core 2 Duo...

3 Answers

Battery is 100% charged but when i unplug the cable the computer goes off. Why?


The batterycould be old.
lithium batteries does not go dead when old
You simply cannot get the energy it stores.
That isthe draw back with them.
Other wise they would probably last forever.

Jan 20, 2010 | HP Compaq 6510b PC Notebook

1 Answer

Computer shut down


The sparking has probably caused your circuit protection inside the AC adapter to turn off the current.
Also, when you are plugging an adapter in,,do not have it plugged into the wall power outlet when plugging into the laptop,,,plug into the laptop first and then plug into the wall.

Jan 29, 2009 | Compaq Presario Notebook

1 Answer

No power


Unplug All External Devices Unplug the AC Adapter From the Wall Outlet. Disconnect the AC Adapter From the Laptop Reseated the power cable to the adapter.
Remove the Battery Connect the AC Adapter Directly to a Known Good Outlet, But Not to the Computer Verify That the AC Power Adapter Has a Solid Green or Blue Light.
The AC adapter status light is solid green. The AC adapter status light is solid green.Press the Power Button and Check for POST. Post means if you see the dell logo,remove the battery, plug the ac if still it wont turn on or doesnt have any light,Reseat the Memory if after reseatting the memory still the same problem it might be a bad motherboard.

Oct 23, 2008 | Dell Inspiron XPS M140 Notebook

1 Answer

Not charging


I found out how to solve this problem...first power down your computer. Then take out the battery, remove the power supply, and then hold down the power button for 30 secs. Put the power supply in only (not the battery). Start your computer after everything is done loading up put the battery back in. Give it a min. and then you should be able to roll your cursor over the battery life indicator in the lower right corner of you computer and is should say charging. I have found that other people have had this problem and it has worked for myself and for them.

Aug 26, 2008 | Computers & Internet

1 Answer

Not working


Some UPS have "Battery backup" and "Surge only" outlets. I don't know if it is the case for your model. The "Surge only" outlets are not connected to the battery and will go off during a power outage. Make sure that the equipement that need to keep running during the outage are connected to the "Battery backup".

Important: Never connect a laser printer to the "Battery backup" outlets because to power draw is just too high.

Have you made sure that the battery is connected inside the UPS? (If the battery is user-replacable)

You may do a simple experiment. Connect you UPS you a wall outlet and plug a conventionnal lamp to a battery backup outlet. Then, unplug the UPS from the wall. If the light goes off, then you may have a problem with your UPS.

Apr 19, 2008 | Belkin Home Office 350VA (f6h350-usb-dl)...

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