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My laptop shut down after powering out with no warning and will not restart.... Toshiba L550 screen stays black but when I hit the enter key it beeps........any suggestions

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“My Toshiba laptop suddenly shuts down by itself without any warning. Sometimes it works fine for hours, sometimes it shuts down in 10-15 minutes.” This complaint we hear from our customers over and over again. About 15-20% of all Toshiba laptops we get for repair, suffer from an overheating problem. Yep, OVERHEATING!
This is one of the most common problems with Toshiba laptops we deal with.
Indications of laptop overheating problem:

  1. The keyboard and the bottom of your laptop are very hot when the laptop is working.
  2. The CPU fans are working all the time at maximum rotation speed and operate much louder than before.
  3. The laptop suddenly shuts down by itself without warning. When it just started, the laptop was shutting down after 1-2 hours and how it shuts down after 5-10 minutes of operation.
  4. The laptop works fine when it runs idle, but shuts down as soon as you start using any memory demanding applications (DVD player, image editing software, video editing software, etc.).

Solution:
If the CPU heatsink is not clogged with dust and lint completely, you can use canned air and just blow it inside the laptop through the openings on the bottom and on the sides. It’s nice as a precaution measure, but it might not work if your laptop already has a problem and the heatsink is completely clogged.
  1. Open the laptop case, so you can access the CPU fan and the heatsink. In some cases you can access the heatsink through the latch on the bottom of the laptop. Sometimes (for example Toshiba Satellite A70/A75) you have to open the laptop case all the way down.
  2. Carefully disconnect the fan cables on the system board and remove the fan. If the fan makes unusual sound when it spins (grinding sound), I would recommend to replace the fan.
  3. Clean the fan and the heatsink with compressed air.
  4. I would also recommend removing old thermal grease from the CPU and applying new grease for better heat conductivity.

Posted on May 05, 2010

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Posted on Jan 02, 2017

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1 Answer

Factory reset my Toshiba a6


Shut down and restart your Toshiba laptop by pressing the power button. Immediately and repeatedly press the F12 key on your keyboard until the Boot Menu screen appears. Using your laptop's arrow keys, select "HDD Recovery" and press enter. From here, you will be asked if you want to proceed with the recovery. http://electronicshelponline.blogspot.com/

Nov 06, 2016 | Toshiba Computers & Internet

1 Answer

Where would the reset button be inside a laptop.


Disconnect the power, remove the battery then press and hold the power button for 15 seconds. Reassemble.
  1. Make sure the computer is turned off ("Shut-down" from the Windows Start menu)
  2. Remove any peripherals such an external mouse, keyboard, monitor, USB flash drive etc.
  3. Make sure the AC Adapter is plugged in and working.
  4. On machines with the F key numbers on the top edge of the keys and in White:
    • Press and hold the 0 (zero) key and power up the laptop.
    • Release the 0 (zero) key when the recovery warning screen appears.
    On machines with the F key numbers on the bottom edge of the keys and in Gray:
    • Power up the laptop.
    • When the initial TOSHIBA screen displays, press the F12 key to enter the boot menu.
    • Use the arrow keys to select the HDD Recovery option and press the enter key to begin.
  5. The TOSHIBA recovery wizard warning screen appears stating that when the recovery is executed all data will be deleted and the original factory software image will be rewritten. If the recovery process offers a choice of Operating Systems, select the appropriate one for you.
  6. After you are sure you have everything you want from the laptop saved, click Yes.
  7. When the Toshiba Recovery Wizard opens, the default and recommended option is "Recovery of Factory Default Software".
  8. After selecting your desired recovery method, select Next.
  9. On the next screen you may have recovery method options. The default and recommended method is to Recover to Out of Box state.
  10. Select next to continue.
  11. Follow the on screen instructions as you navigate through the system recovery steps.
  12. The laptop will restart multiple times and install the needed components.

Dec 11, 2014 | Computers & Internet

3 Answers

How do I reboot my Toshiba Satellite C55 without a


If your recovery partition has not been deleted you might be able to do it. See if you can access recovery mode

  1. Make sure the computer is turned off ("Shut-down" from the Windows Start menu)
  2. Remove any peripherals such an external mouse, keyboard, monitor, USB flash drive etc.
  3. Make sure the AC Adapter is plugged in and working.
  4. On machines with the F key numbers on the top edge of the keys and in White:
    • Press and hold the 0 (zero) key and power up the laptop.
    • Release the 0 (zero) key when the recovery warning screen appears.
    On machines with the F key numbers on the bottom edge of the keys and in Gray:
    • Power up the laptop.
    • When the initial TOSHIBA screen displays, press the F12 key to enter the boot menu.
    • Use the arrow keys to select the HDD Recovery option and press the enter key to begin.
  5. The TOSHIBA recovery wizard warning screen appears stating that when the recovery is executed all data will be deleted and the original factory software image will be rewritten. If the recovery process offers a choice of Operating Systems, select the appropriate one for you.
  6. After you are sure you have everything you want from the laptop saved, click Yes.
  7. When the Toshiba Recovery Wizard opens, the default and recommended option is "Recovery of Factory Default Software".
  8. After selecting your desired recovery method, select Next.
  9. On the next screen you may have recovery method options. The default and recommended method is to Recover to Out of Box state.
  10. Select next to continue.

Oct 18, 2014 | Computers & Internet

1 Answer

My laptop powers up but the screen stays black then it shuts itself down


It could be the CPU fan... Best to have it looked at by a service center...

Aug 12, 2012 | Toshiba Computers & Internet

1 Answer

Bios password on toshiba


Some Toshiba laptops come with a system BIOS password, making anyone without the password unable to get past the BIOS screen at system startup. This is a strong security measure, as it renders a stolen computer useless unless the password is known. If you have a Toshiba laptop and want to change the BIOS password, you can quickly do it.

1. Power on the computer while holding down the "Esc" key. Enter your current password when prompted and press "Enter."
2. Press "F1" to enter the BIOS setup menu. Highlight "REGISTERED" with the arrow keys and press the space bar. Enter your password and press "Enter."
3. Restart the computer while holding "Esc" and hit "F1" again to enter the BIOS menu. Highlight "NOT REGISTERED" with the arrow keys and press the space bar. Enter your new password and press "Enter." Type the password again for verification and hit "Enter." Press "End" to save the changes, and "Y" to exit.

I hope you find it very helpful. Best regards.

Aug 18, 2011 | Toshiba Computers & Internet

1 Answer

But my laptop even don't work in safe mode. Blue screen appears and computer restarts again . What to do??


Try running the last known good configuration.

Follow the steps below,

Step 1: Shut down your PC completely.
Step 2: Turn on the Power button.
Step 3: As soon as you turn it on start hitting the F8 key on your keyboard until you get to a black screen called "Windows Advanced option". (If you don't get to that that screen but you end up reaching the blue screen than that means you have delayed in hitting the F8 key. start again from step 1.)
Step 4: As soon as you reach "Windows Advanced option" use your down arrow keys to choose an option called "Last know good configuration".
Step 5: Select that and HIT ENTER.

Jan 06, 2011 | HP Compaq nx7010 Notebook

1 Answer

My new Acer Aspire 5734z shutdown the day before yesterday. It sometimes will let me stay a few secs in safemode but then shuts down again. I dont understand why and im not really good at fixing computers...


Please try fixing it by running LKGC.

Follow the steps below,

Step 1: Shut down your PC completely.
Step 2: Turn on the Power button.
Step 3: As soon as you turn it on start hitting the F8 key on your keyboard until you get to a black screen called "Windows Advanced option". (If you don't get to that that screen but you end up reaching the blue screen than that means you have delayed in hitting the F8 key. start again from step 1.)
Step 4: As soon as you reach "Windows Advanced option" use your down arrow keys to choose an option called "Last know good configuration".
Step 5: Select that and HIT ENTER.

Dec 28, 2010 | Acer Aspire 5735 Notebook

1 Answer

A disk read error occurred Press Ctrl+Alt+Del to restart


Step 1: Shut down your PC completely.
Step 2: Turn on the Power button.
Step 3: As soon as you turn it on start hitting the F8 key on your keyboard until you get to a black screen called "Windows Advanced option". (If you don't get to that screen but you end up reaching the Blue/Black screen than that means you have delayed in hitting the F8 key. start again from step 1.)
Step 4: As soon as you reach "Windows Advanced option" use your down arrow keys to choose an option called "Last know good configuration".
Step 5: Select that and HIT ENTER

if this fails then try repairing it from recovery console.
  • Insert the OS CD and boot from CD.
  • During Startup, select Recovery Console from the startup options menu.
  • When you are prompted, type the Administrator password.
  • Type the Command chkdsk /r

Dec 07, 2010 | Acer Aspire 6920 Notebook PC

2 Answers

Toshiba P305-S8842 powers on, but screen stays black....please help


boot sequence in bios needs changeing if its not irrepairably damaged.
some pc's get into bios by pressing F2 whilst booting ,there you will be taken to a screen where you can move using the "tab" or arrow keys up down left right etc
some pc;s reqiure bios password i hope yours is not one of them
get to know this screen and save and exit if you are happy
look for "boot sequence"---hard drive --cd,rom --etc then adjust to first booting device hard drive--again use enter keys or tab to change values-get to know this screen an its functions

Sep 07, 2010 | Toshiba Satellite P305-S8842 Notebook

1 Answer

Toshiba Satellite P200 doesn't boot


Try pressing FN/F5 keys simultaneously, or the key that toggles internal/external Display. Look for the double screen Icons on the keys.

Tap the Pause Key.

Restart and press and hold F8 key when Toshiba logo appears. When the boot Menu appears, select Last Known Good Configuration.

If all else fails ther should be a reset button on the side of the LT. Consult owners Manual for location

Aug 15, 2008 | Toshiba Satellite A100-S8111TD Notebook

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