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Toshiba Satellite L855-S5119 Troubleshooting

This troubleshooting guide will help you diagnose problems with the Toshiba Satellite L855-S5119.

The laptop will not power on

Your laptop fails to power on.

Faulty Power Adapter or Power Port

If the laptop is plugged in and the charging light in not illuminated, first verify that the adapter is not at fault by attempting to charge the laptop with a charger that has been verified to work. If the laptop now charges, your charger could be at fault.

  • Buy a new adapter

If you are able to verify your charger is not at fault, then the laptop's charging port may be at fault.

  • Replace the laptop's DC power jack

Dead Battery

If the laptop will not power on unless plugged in, the battery is likely at fault and will need to be replaced.

  • Replace the battery with a new one.

The laptop won't boot

Your computer fails to load the Operating System and takes you to an error message.

Not Enough RAM

Your computer may run fine until you start doing work and notice performance is diminished, and tasks take longer to complete, or your computer occasionally freezes while doing certain tasks. This could be a sign of not enough RAM or faulty RAM. To fix this, replace the RAM you currently have in your computer.

  • Buy new ram

Hard Disk corruption/error

Your laptop will inform you of a hard drive corruption or error, in such a case the drive may need to be repaired or replaced.

  • Buy a new hard drive
  • Repair current hard drive

The laptop "beeps"

If your laptop is not functioning properly and is issuing a series of beep codes, follow this link to find a possible solution.

  • Research pattern to find the issue

There is no display

Your laptop's lights come on, there is no beeping, peripherals are able to connect to your laptop, and you are able to connect to a secondary screen.

Black screen

Ensure display has not been disabled accidentally by holding the windows key and then pressing the "P" key twice, this will take your laptop off projector mode. Also try simply restarting the device. If the black screen persists and there are no audible beeps, there may be a hardware issue and require a replacement screen.

  • Buy a new screen, replace the old screen.

Device is overheating

Computer shuts down without notice while working.

Fan Stopped Working

Computer fans can be covered in dust resulting in inadequate airflow to cool the components within the computer. Fan can also break, requiring a replacement.

  • Blow out vents, clear dust
  • Replace the fan

Laptop will not recognize inputs

Device fails to detect when devices are plugged into ports

Will Not Read CD's or DVD's

If the optical drive fails to read and/or burn discs, it may be broken and need to be replaced.

  • Replace defective Optical Drive

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