Toshiba Satellite L755 Support Question
Toshiba Satellite L755 Support Question
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Question posted by robil1daguza on August 29th, 2014
My Toshiba L775-s5360 Satellite Laptop Wont Turn On
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Current Answers
Answer #1: Posted by freginold on November 2nd, 2014 6:53 AM
freginold
Member since:
December 20th, 2011 Points: 23,253,885
Member since:
December 20th, 2011 Points: 23,253,885
When a laptop won't power on, it's often because of one of four things: the battery, the battery charger/AC adapter, the power board/battery charging board (if the laptop has one), or the motherboard. Without being able to troubleshoot the laptop, it's almost impossible to say for sure which of the components is causing the problem
You can attempt to rule out the battery by attaching the AC adapter and trying to turn the laptop on. If the laptop turns on when on AC power but won't turn on with the battery, then one of two things is happening: either the battery is bad, or the charger is bad and the battery has run down. If the laptop won't turn on with or without the AC adapter plugged in, then the battery is not the problem. If your AC adapter has an LED on it, you can often tell if the adapter isn't working because the LED won't light up. (However, just because the LED does come on doesn't mean the adapter is working as it should.)
If it doesn't seem to be either the charger/adapter or the battery, then you're probably looking at either the power board or motherboard. If you are comfortable taking the laptop apart, you might want to try replacing the power board, which is the board that the charger plugs into. Amazon.com sells power boards (also sometimes called power jack boards) for many laptops for between $15 and $30.
The motherboard is a more expensive option to replace, so a good rule of thumb is to try the less expensive parts first. If it still won't power on, you may have a bad motherboard, in which case it might be cheaper to get a new laptop than have the motherboard repaired or replaced.
You can attempt to rule out the battery by attaching the AC adapter and trying to turn the laptop on. If the laptop turns on when on AC power but won't turn on with the battery, then one of two things is happening: either the battery is bad, or the charger is bad and the battery has run down. If the laptop won't turn on with or without the AC adapter plugged in, then the battery is not the problem. If your AC adapter has an LED on it, you can often tell if the adapter isn't working because the LED won't light up. (However, just because the LED does come on doesn't mean the adapter is working as it should.)
If it doesn't seem to be either the charger/adapter or the battery, then you're probably looking at either the power board or motherboard. If you are comfortable taking the laptop apart, you might want to try replacing the power board, which is the board that the charger plugs into. Amazon.com sells power boards (also sometimes called power jack boards) for many laptops for between $15 and $30.
The motherboard is a more expensive option to replace, so a good rule of thumb is to try the less expensive parts first. If it still won't power on, you may have a bad motherboard, in which case it might be cheaper to get a new laptop than have the motherboard repaired or replaced.
Related Toshiba Satellite L755 Manual Pages
User Manual - Page 16
... adaptor could cause system failure,
computer or AC adaptor damage or a fire, possibly resulting in Sleep Mode).
L750/L755/L750D/L755D
General Precautions
TOSHIBA computers are protected from overheating when the power is turned on a hard flat surface. However, certain precautions should be provided through other soft material can block the vents.
■...
User Manual - Page 20
... enclosed Instruction Manual for Safety and
Comfort for the first time ■ Turning off the power ■ Restarting the computer ■ System Recovery Options and...9632; TOSHIBA Assist ■ TOSHIBA ConfigFree™ ■ TOSHIBA Disc Creator ■ TOSHIBA Face Recognition* ■ TOSHIBA eco Utility ■ TOSHIBA Bulletin Board ■ TOSHIBA ReelTime ■ TOSHIBA Media ...
User Manual - Page 29
... software
Depending on the computer. 3.
User's Manual
1-11 While holding the F8 key, turn on the model you purchased, different ways for more information about Startup Repair. Check your ...pre-installed software from the Recovery hard disk drive ■ Ordering Recovery Discs from TOSHIBA and restoring the pre-installed
software from the factory. The System Recovery Options can also...
User Manual - Page 31
...otherwise you may find that it becomes impossible to reconfigure the partitions on the TOSHIBA HDD Recovery
dialog. Turn on the System Recovery Options
screen. 7. Please set up your hard disk ...screen instructions on your hard disk drive, you may find that space for further details. Turn off your preferred keyboard layout and press Next. 5. If you use System Recovery Options...
User Manual - Page 32
... instructions.
To perform this restoration, follow the on the keyboard, turn off the computer's power.
2. Ordering Recovery Discs from TOSHIBA*
You can not use the Recovery Media you have created or ...restore the computer to the state it was in Chapter 7, HW Setup for your notebook from the TOSHIBA Europe Backup Media Online Shop.
* Please note that this to allow sounds to be lost.
...
User Manual - Page 39
... to import and record sounds for more information on batteries.
Microphone
A built-in microphone allows you to turn the computer's power on battery power.
This difference in brightness levels is intended to your computer. TOSHIBA Web Camera Application will be aware that allows you to the Web Camera section in Chapter 4, Operating...
User Manual - Page 50
...panel is next accessed. This can be specified in the Power Options.
This feature automatically turns power to the computer off power to the
off *1
A microprocessor in the Power Options.../Hibernation Mode *1
This feature automatically shuts down the system into either unique to TOSHIBA computers or are specific key combinations that let you configure the computer in the Power...
User Manual - Page 51
... without exiting from your software. Refer to a certain level, the cooling fan is turned on or the processing speed is controlled by the TOSHIBA Sleep Utility.
This function is lowered. User's Manual
3-7 If you have to the Using the TOSHIBA Sleep Utility section in Chapter 1, Getting Started, for battrey life saving. To protect...
User Manual - Page 61
...B respectively. The wireless communication function is a precision electronic component that may be fatally damaged by TOSHIBA. ■ Do not try to the computer. 3. To discharge your body's static electricity, simply.... b. Since the human body can carry static electricity, it is turned on LAN is off (refer to
the Turning off the power section in dual channel.
■ Use a point...
User Manual - Page 76
... in and placed over one another . ■ If an error occurs during authentication, you will be displayed. 5. Turn on the computer. 2. "Please face the camera" will be logged in
automatically to the
Select Tiles screen. 8...., the
image data taken in step 6 will be faded in order to Windows with TOSHIBA Face Recognition. Verification will be performed. Turn on the computer. 2.
User Manual - Page 80
... series are provided as a straightened paper clip into the eject hole near the eject button.
1
1. TOSHIBA Disc Creator can be used to write files in this computer. If the power is off, you open...disc tray by inserting a slender object (about 15 mm) such as writing software with the eject hole
Turn off the power before you use the BD-Writer drive to write data to either CD-R, CD-RW...
User Manual - Page 81
... writable CD/DVD/BD discs that can be supported by this computer.
■ Do not turn off the power to the optical disc drive while the computer is accessing it is good practice...on your computer. It is possible that you write or rewrite to a live power socket.
Disclaimer
TOSHIBA does not bear responsibility for any undesired change or loss of the recorded contents of current optical ...
User Manual - Page 88
... while using Corel Digital Studio. ■ Do not operate Corel Digital Studio immediately after turning on AC power when using
Corel Digital Studio. ■ Operate the computer at Full Power. Click...Digital Studio. ■ Make sure that your computer is launched. When Using Corel Digital Studio for TOSHIBA
Operating Basics
How to menu editing button. 9. Click the Go to make a DVD-Video or ...
User Manual - Page 102
...in a multi-user environment.
Indicator glows
The wireless communication function is available. Operating Basics
Bluetooth Stack for Windows by TOSHIBA
Please note that are sent or received when wireless communication is turned off.
Enable/Disable Wireless communication
You can output a radio wave. Wireless communication Indicator
The wireless communication indicator shows the...
User Manual - Page 106
... when the power of the computer ON to charge certain USBcompatible external devices such as mobile phones or portable digital music players. In those cases, turn the power of the computer is used for changing settings of the following function: ■ Sleep and Charge It also displays the remaining battery capacity...
User Manual - Page 107
...supply may be stopped for safety reasons.
■ When Sleep and Charge function is turned off. The USB Wakeup function will now work for the specifications of the external ... ports. Starting the TOSHIBA Sleep Utility
To start the utility, click Start All Programs TOSHIBA Utilities Sleep Utility. User's Manual
4-37 In that case, if there is turned OFF. Operating Basics
...
User Manual - Page 117
... real time clock and calendar function and also maintains the system configuration while the computer is turned off even if the AC adaptor is securely installed in the computer before attempting to the ...real time clock and calendar will be displayed when you turn on while pressing the F2 key and then release the F2 key when the TOSHIBA Leading Innovation >>> screen appears. If the RTC battery...
User Manual - Page 118
... connect the AC adaptor to charge the battery pack with any data, and automatically turn itself off the power and disconnecting the AC adaptor. the Battery indicator will be ... your dealer or by local ordinances or regulations. Use only batteries recommended by TOSHIBA as required by a TOSHIBA service representative. Never remove the battery pack while the computer is a Ni-MH...
User Manual - Page 7
...manual. Only peripherals complying with non-compliant peripherals or peripherals not recommended by turning the equipment off and on a circuit different from Dolby Laboratories.
Secure ... is a trademark of YAMAHA CORPORATION. Wi-Fi is a trademark of Toshiba Corporation. Satellite L750/L755/L750D/L755D/Satellite Pro L750/L750D
ConfigFree is a registered trademark of the Wi-Fi Alliance...
User Manual - Page 193
Satellite L750/L755/L750D/L755D/Satellite Pro L750/L750D
Touch Pad 8-12 Power
conditions 6-1 Hibernation Mode 1-10 indicators 6-2 panel on/off 3-8, 6-11 Shut Down mode (Boot Mode) 1-8 Sleep Mode 1-8 System Auto Off 6-11 turning off 1-8 turning on 1-7 Problems AC power 8-5 Additional memory module 8-15 Analyzing the problem 8-2 Battery 8-5 BD drive 8-10 Bluetooth 8-18 Dual Pointing device...
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