Why does my Toshiba laptop only show a black screen and blinking cursor?

Randy Gonzalez March 22, 2012

When I turn on my Toshiba C655 laptop it goes to a black screen with blinking cursor at the top. Nothing further happens, is this fixable? Please help!

  1. dave
    November 9, 2012 at 11:25 am

    I have tried pressing zero key and power button, it has actually worked. thanks guys

  2. Paula
    October 14, 2012 at 2:19 pm

    Hi Randy,

    I'm having the same problem and I can't find a solution.

    Did you find it?


  3. laurence june
    August 25, 2012 at 11:42 am

    hey guys am all screwed up!! Please do help me out..yesterday i worked on my laptop .. Got it cleaned with the colin mirrior washer .. before cleaning it with it it was working perfectly as i turned on the laptop after cleaning i saw small crack types in the corners .. Ignoring them i started working on computer and suddenly i closed it..on openeing it back i could see the black cover .. I cld hardly see a thing..please help me out..is there a way out for me?

  4. andy
    July 18, 2012 at 4:01 am

    Try plugging in an external monitor. It will use a basic video driver and you can get in and correct the video driver issue. If you still have the computer.

  5. happy yodle
    July 17, 2012 at 10:43 pm

    its broken! just throw it away!

  6. Anne Snow
    May 26, 2012 at 5:03 am

    when I went to my Toshiba lap top the only icon illuminated was a plug in. I do not know what that means other than it is unplugged. I have checked all of the connections and they seem to be ok. So what is the problem and what can I do to log in

    • ha14
      May 26, 2012 at 1:29 pm

      do you see any windows desktop? or is just a black screen.

      Turn laptop on and hit the F12 (can be F10...) key repeatedly until the Advanced Boot Option Screen appears.
      Click "Repair Your Computer" from there see if you can use restore point to revert to earlier state where Windows was working fine.

      • supertoshi
        September 25, 2012 at 3:05 am

        I went on it but it didnt give me that option i have. HDD. FDD. CD DVD. LAN. and USB

  7. Dhiraj Gaurh
    March 28, 2012 at 8:37 pm

    Boot it. Hit F2 or F10 or DEL, hit all of them repeatedly, one of them will let you enter your BIOS. See if the BIOS recognizes an HDD currently on the system. See what is the boot order, put hard disk at the end and optical drive before it. Download knoppix or ubuntu Linux live CD, it would have the option to check RAM. If RAM is fine, boot into knoppix, if everything works fine now, then you can use the toshiba cd to reinstall OS. If knoppix runs into problems it could or could not mean there is a graphics issue. If knoppix worked fine but u can't reinstall windows it is a hard disk problem. If you failed at the first step and didn't even see BIOS then replace your RAM ( a guess but I think that is most likely ). BTW, u can also check the manual to find out the BIOS key

  8. Chimezie
    March 28, 2012 at 3:18 pm


    first try removing your battery and booting with teh power cable only

    if this doesnt work then try...

    Try removing your hard drive from your laptop and attempt a boot. if you get an error implying no hard drive detected, you might need a new HDD.

    • Andy
      October 3, 2012 at 6:02 am

      this method works for the case i encountered..
      the notebook is not displaying anything others than black screen.
      tried ha14's suggestion to remove the battery and booting with just the power cable, notebook's booting as normal.. thanks

    March 26, 2012 at 7:26 am

    Hello, have you checked if there is a CD/DVD in your CD/DVD tray?

  10. ha14
    March 22, 2012 at 7:34 am

    perhaps video card driver problem?
    remove the battery and power, wait for few minutes, add tthe battery and power laptop.

    • Ramdygonzalez247
      March 22, 2012 at 11:50 am

      Nope, didn't help...thks anyway

      • ha14
        March 22, 2012 at 12:06 pm

        on the black scree, try Ctrl + Shift + Esc? Does Task Manager appear?
        if yes then under process look for explorer.exe
        if there is one terminate
        then go to File then choose New Task (Run..)
        Type explorer.exe

        • Randygonzalez247
          March 22, 2012 at 2:03 pm

          nothing works when trying Ctrl+Shift+Esc  thanks anyway!

        • ha14
          March 22, 2012 at 4:38 pm

          It sounds like you either don't have an operating system or the BIOS cannot find the operating system.

          can you boot to safe mode and delete the video card driver? also perhaps to go to bios and check if the boot option is on hour hard drive having windows.

          read this it can help

          boot into recovery mode and open cmd window

          X:sources>diskpart {enter}

          DISKPART> sel disk 0 {enter}

          Disk 0 is now the selected disk.

          DISKPART> list par {enter}

          Partition ### Type Size Offset
          ------------- ---------------- ------- -------
          Partition 1 Primary
          Partition 2 Primary
          Partition 0 Extended
          Partition 4 Logical

          DISKPART> sel par 2 {enter} if it is windows

          Partition 2 is now the selected partition.

          DISKPART> active {enter}

          DISKPART>exit {enter}

        • Smayonak
          April 2, 2012 at 8:23 pm

          I've seen something similar before - caused by some kind of corruption of the bootloader. But the website you linked to sounds very much like the problem.

          Would it be worth it to see if Windows 7's recovery console can fix the issue? Or is the problem more likely to originate with the video driver? What about using recovery console to roll the driver back?

        • ha14
          April 3, 2012 at 7:18 am

          Hi Smayonak
          the symptom can have different cause, if you have a fresh restore point then using it can solve the problem easily.

    • laurence
      August 25, 2012 at 11:47 am

      i have a black screen appearing on my toshiba laptop... What do i do..? All the sounds are coming out from it,.tried the battery out and in method cldnt work.. Fix it please:(

  11. Carpenter__RichardCarpenter
    March 22, 2012 at 5:08 am

    What happened before this?

    Also, the only advice I can think of is to turn on the laptop and hold the Zero key and the Start button. This will start the restore and set the computer to factory default, the day you got it. This is the quickest option if all you are getting is a black screen  with a cursor.

    • Randygonzalez247
      March 22, 2012 at 11:49 am

      Thanks, it just happened, it was working fine and then the next day I turn it on and this happens.. I tried your suggestion on zero key and start button, it did not work.

      • Carpenter__RichardCarpenter
        March 22, 2012 at 5:21 pm

        Ok, Is the computer making a loud clicking noise, almost sounding like a clock. Basically either your Operating System or your Hard Drive is gone.

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