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L-555/ no hard drive indicters or wireless or memory lamp but powers up

My toshiba laptop l-555 powers up but no hard drive memory or wireless lamps black screen

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First - re-seat the hard disk and reboot the computer. If the computer does not boot up then reboot and go into the BIOS configuration to see if the BIOS detects the hard drive. If it doesn't detect the hard drive then it could be faulty.
Then the hard drive needs to be replaced in the computer/laptop, Windows installed and the computer or laptop's device drivers plus your programs etc. to get a functioning computer/laptop again.

Posted on Nov 30, 2012

  • Johnny Macon
    Johnny Macon Nov 30, 2012

    hey! chris thanks a gazillion man whew! i thought it was goner! man!!! it came right back to life following your steps ! once again thanks you saved me the cost of a new one!!!!

  • Johnny Macon
    Johnny Macon Jan 29, 2013

    Hey thanks again just used this on another laptop worked like magic lady is pleased she thoughts she would have to trash it!

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SOURCE: 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

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SOURCE: Toshiba EA60 laptop wont go in boot sequance, its stop after toshiba logo and gives a black screen with blinking curser in top lef corner

Its probably not the BIOS but the board warping beneath the CPU Socket or similar.. Dont flash it (BIOS) or it will probably kill the chip. Let me look up the model number...

Posted on Feb 12, 2008

SOURCE: Apricorn EZ Upgrade II Cloned Drive Won't Boot - Toshiba P15 479

Basically this product does not do what it is advertised to do. You have to do a custom clone (not typical as suggested) and try to get an exact copy the drive you want to copy.

But... If you are upgrading to a larger drive you will now have to do a diskpart as an external drive in order to get the complete upgrade your drive.

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SOURCE: Toshiba laptop will not boot - black screen

The RAM might have problem...

Posted on Jun 06, 2009

efs_perpends
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SOURCE: Toshiba Satellite A205 laptop will not boot - black screen

Here's a link to a good article that will help you to troubleshoot the startup error. You might also check Toshiba support online and see what the error light code indicates.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

Posted on Jun 06, 2009

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2 Answers

No screen display


Your LCD inverter circuit or Backlight lamp may have died. The Backlight lamp is a CCl (Cold Cathode Lamp) closely resembling a thin fluorescent light bulb.
If you can replace this lamp, the typical cost for this component is $9-$15.

First thing to try is to plug in a standard (RGB analog) monitor into the system's 15-pin external monitor port to see if the system is booting to MSWindows (or not).
If the OS is failing to boot, at least the external monitor may allow you see what the ROM BIOS is doing, and possibly run BIOS-based system diagnostic software.
If the OS is booting properly, you can use the notebook PC with the external monitor (as a workaround), until you can repair the console screen, or replace the computer entirely.
If you are able to access the system via the external monitor, you may want to take the opportunity to backup any important data (iTune downloads/income tax forms/original manuscripts for novellas/MRI scans,etc.) on the Toshiba A135 to an external hard drive, large flash drive or CD-RW discs.

Here's a good laptop lamp/inverter solution posted to FixYa:
http://www.fixya.com/support/t2358968-laptop_screen

Dec 14, 2011 | Toshiba Satellite A135-S4407 Notebook

2 Answers

Toshiba nb205 no display but have power


If your laptop appears to boot up and the hard disk LEDflashes, then the problem is probably a back light fault. This can be a faultyinverter or a faulty CCFL lamp. Please click on this link and follow myinstructions to identify the fault and possible fix :- http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

Nov 25, 2011 | Toshiba NB205-N210 Netbook

1 Answer

Hi i have a toshiba portege r-100 that when you put power to it with or without the battrey and turn it on you get the first four lights come on so there is power but all you get is a blank screen


Please follow the diagnosis outlined in this article to check whether the backlight lamp or the inverter board are the root cause of the problem or not:
http://www.fixya.com/support/r6430776-troubleshooting_laptop_power_failures

If you connect the external monitor & nothing is displayed on it, then this means that both the backlight lamp & the inverter board are fine. The main indicators in these cases are the sound, and the hard drive LED on the laptop case. If the laptop sounds just like it always does for a minute or two after being turned on, it means it's going ahead and booting the operating system, but the video processor or part of the motherboard circuit for video output has failed. If the laptop just sits there and beeps when you turn it on, or if you hear the fan but not the hard drive chuckling with its active LED flashing away, it means the laptop isn't getting as far as trying to boot the operating system. While this could be due to any number of hardware problems, the most common and easiest to
troubleshoot or repair is RAM failure. If your laptop has two RAM modules installed, try booting with just one and then the other in the primary slot. If your laptop only has one RAM module, you might consider buying one online from a site with a good memory selector, like Crucial.com

Oct 23, 2010 | Toshiba Portege R100 Notebook

1 Answer

Hello i have a problem with my toshiba model NB 100 there is no display at all on the lcd monitor i checked the power supply it was good, can you help me please to solve this problem


Please follow the diagnosis outlined in this article to check whether the backlight lamp or the inverter board are the root cause of the problem or not:
http://www.fixya.com/support/r6430776-troubleshooting_laptop_power_failures

If you connect the external monitor & nothing is displayed on it, then this means that both the backlight lamp & the inverter board are fine. The main indicators in these cases are the sound, and the hard drive LED on the laptop case. If the laptop sounds just like it always does for a minute or two after being turned on, it means it's going ahead and booting the operating system, but the video processor or part of the motherboard circuit for video output has failed. If the laptop just sits there and beeps when you turn it on, or if you hear the fan but not the hard drive chuckling with its active LED flashing away, it means the laptop isn't getting as far as trying to boot the operating system. While this could be due to any number of hardware problems, the most common and easiest to
troubleshoot or repair is RAM failure. If your laptop has two RAM modules installed, try booting with just one and then the other in the primary slot. If your laptop only has one RAM module, you might consider buying one online from a site with a good memory selector, like Crucial.com.

Oct 22, 2010 | Toshiba Computers & Internet

1 Answer

No video , got power , hard drive and dvd rom always on ,


Try attaching an external monitor to the laptop & see if you could get any display on it. If this is successful, then you might have either a faulty LCD cable or screen inverter board.
The LCD cable transfers data signal from the motherboard & video card to the LCD screen. It also supplies high voltage DC power to the screen inverter board. The screen inverter board works as a power supply for the backlight lamp mounted inside the LCD screen. It converts low voltage DC power to high voltage AC power needed for the backlight lamp.

Sep 11, 2010 | Toshiba Satellite A135-S4527 Notebook

1 Answer

I have a toshiba Satellite a135-s2386. It powers on but nothing on the display. I think I need a new motherboard. But am not for sure. What is the part number for this motherboard. any help will be...


Does the laptop appear to boot up but the screen id blank?
Does the hard disk LED light flash?
If so you may have a faulty inverter or defective CCFL lamp. A faulty CCFL lamp may have the following symptom: Screen flashes on and off or displays reddish pink hue. Picture stays on in red and slowly be come normal. Picture flickering and/or with dim display or appear black. Picture flickers on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replace the CCFL lamp.
To determine if the video card or the LCD is faulty, connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight or a faulty inverter that supplies high voltage to the CCFL lamp. Usually the CCFL lamp fails before the inverter.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out LCD Parts for service, parts, and DIY info Use this link to their WEB site: -
www.ladparts.net

Dec 09, 2009 | Toshiba Satellite A135-S2386 Notebook

1 Answer

Toshiba tecra m1 : can't boot


this is due to the bios problem. check for bios update from service provider then press fn+esc+power button when light start blinking put your pen drive in the usb port after 1 -2 min, it boots up . that files are like flashget etc.

Aug 08, 2009 | Computers & Internet

1 Answer

Blank display


You could have a defective LCD screen, If the laptop appears to be booting up and running and the hard disk is spinning and the hard disk LED light is flashing but the screen is dark then, to determine if you have a LCD screen or video card problem, read this and follow these instructions.
Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp.
Connect an external monitor to your laptop and power the monitor up first then the laptop, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out
www.lcdparts.net
for parts, repair service and DIY info.

Jun 23, 2009 | Toshiba Satellite M35X-S161 Notebook

2 Answers

When I start my laptop, I dont see the startup from Toshiba and the computer monitor does not turn on. If I bang the computer hard, i see the toshiba startup and the monitor turns on.


You could have a defective screen - a defective inverter or a CCFL lamp or simply the video cable needs reseating. After reseating the video cable and the problem is still there then :- To determine if you have a LCD screen or video card problem, read this and follow the instructions. Defective CCFL backlight, it may have the following symptom: Screen flashs on red/pink and off. Picture stays on in red and slowly be come normal. Picture flickering with dim display or appear black. Picture flickering on and off. All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight. Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case. The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills. Check out www.lcdparts.net for parts, repair service and DIY info.

Jun 16, 2009 | Toshiba Tecra A3 Notebook

1 Answer

Everex StepNote NC1503 Blank Screen


You could have a defective screen - a defective inverter or a CCFL lamp, follow this to determine the fault.
To determine if you have a LCD screen problem, read this and follow the instructions.

Defective CCFL backlight, it may have the following symptom:
  • Screen flashs on red/pink and off.
  • Picture stays on in red and slowly be come normal.
  • Picture flickering with dim display.
  • Picture flickering on and off.
All these symptoms indicate that the LCD backlight lamp (CCFL Lamp) has reached the end of the life and all you need to do is replacing the CCFL lamp

Connect an external monitor to your laptop and power it up, if you see the normal Windows images then the video card and laptop is OK and the problem is definitely the backlight.

Dim image and/or dark display on the laptop's LCD screen indicates a faulty LCD backlight and it could be the inverter that supplies high voltage to the CCFL lamp or it is the CCLF lamp is nearly burnt out or burnt out, most likely this is the case.
The inverter can be replaced easily but the CCLF lamp is more time consuming and requires soldering skills.
Check out www.lcdparts.net for parts, repair service and DIY info.

Apr 21, 2009 | Everex StepNote NC1500 Notebook

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