how to show command prompt

I don't know what to do I have a fatal system error and don't know what windows NT is and can't run my computer it only start and then the fatal system error report show
4 answers Last reply
More about show command prompt
  1. If you can, write the error code down and post it here. If the error screen closes to quickly to read the code/number, see if pressing and holding F8 right after the BIOS post can open the Safe Mode options list... if you can get to the list, selecting "Disable automatic restart on system failure" should allow time to read the read the error number/s.

    If the error screen doesn't allow time to bring up the Safe Mode list:
    a) If it's a PC: Open the case and check if the CPU fan is working, blow off any heavy dust with a compressed air can, check the RAM modules aren't lose on the slots, check digital and electrical connections to motherboard and hard drive.

    b) If it's a laptop: See if the cooling openning on the bottom is clear of dust or lint... if it's clear and nothing changes, there's nothing more you can do short of replacing the battery or power adapter.. all other repairs should be left to a technician. If you suspect of the battery of power adapter, see

    How to Test Your Laptop’s Battery
    http://www.dummies.com/how-to/content/how-to-test-your-laptops-battery.html

    What to Do When Your Laptop’s AC Adapter Isn’t Providing Power
    How to Test a Laptop Power Adapter
    http://www.dummies.com/how-to/content/what-to-do-when-your-laptops-ac-adapter-isnt-provi.html

    How to Test a Laptop Power Adapter
    http://www.ehow.com/how_6820295_test-laptop-power-adapter.html
  2. stop: c000021a fatal system error f0xc0000135
  3. EDITED: If you have the Windows XP installation CD, run CHKDSK from the Recovery Console... (type: chkdsk c: /r). If it doesn't help, you'll probably have to repair-install Windows XP.. If you don't have the CD, see if you can run the Automated System Recovery.

    How to Use Windows Recovery Console from XP CD
    http://www.wikihow.com/Use-Windows-Recovery-Console-from-XP-CD

    Automated System Recovery overview in Windows XP
    http://support.microsoft.com/kb/818903

    The cause explained:
    Error STOP: C000021a {Fatal System Error} The windows Logon Process system process terminated unexpectedly with a status of 0xc0000135 (0x00000000 0x00000000) The System has been shut down).
    http://answers.microsoft.com/en-us/windows/forum/windows_xp-system/error-stop-c000021a-fatal-system-error-the-windows/a9508144-2f08-4319-95d2-0a7405ae5cc0
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