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Get error: Oxc000021a when booting windows 8

HELP??? can' boot up my PC. get a blue screen with error: 0xc000021a says to restart PC, but can't. when I push the on button get the same thing...

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Posted on Jan 02, 2017

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  • 1170 Answers

SOURCE: Qosmio G35-AV600 boot problems

You will have to reinstall both its BIOS and operating system, only that can properly solve the problem. I my solution was helpful, Kindly accept it.
Thank You, Arjun

Posted on Apr 01, 2009

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  • 11 Answers

SOURCE: M1400 Tablet-PC doesn't boot

get a hirens boot disk. that will fix ya right up. boot from the disk. choose either option boot windows xp mini or from boot disk. do not choose the option boot from hard drive or you will get no-where.

Posted on Jul 15, 2009

SOURCE: when booting screen is split into 4 part after blue error screen

Is your vga driver related issue.

When you power up the computer press F8 key continue thene nter in safemode.
Then right click on my computer then click on proeprty then go to hardware device manager then uninstall graphic driver.
Then restart the computer then install the correct driver.
Also you can enter in enable vga mode then open control panel ->dispaly proeprty then settings change screen resolution to 1024*768 then apply and ok.
then check.
Let me know if you need more assistanse.
Thanks.

Posted on Aug 31, 2009

parrotheadpc
  • 2600 Answers

SOURCE: ibm thinkpad r50 notebook won't boot

Windows Start-up Errors
Step one, you need a Windows Installation CD. If you only have a recovery disk set like the ones from HP or Compaq they will not do what you need done. Under normal circumstances however, you can use a Dell disk because the Operating system is on a stand-alone disk. All retail versions are also acceptable as well as upgrade disks. For a rule of thumb, if the disk has the Microsoft hologram it should work. You can order a boot up floppy disk from here:
http://support.microsoft.com/kb/310994 with this file, if you know how, you can use “ImageBurn” to burn the file into an ISO file which can be burned to a disk. Now make sure your computer boots to the cd rom first. If you know how to do this skip on down, if you don’t, while the computer is first starting up and you see the manufacturers splash screen, tap F12 (some computers it’s F9, others it may be another key, you may have to watch and see if the computer lists the key strokes for getting to the boot menu. If you still cannot find it, boot into the BIOS settings and change your boot order there. Save your settings and exit, the computer will now seek the cd rom as its boot source first.
Place your Windows disk in the computer and start it up. When you see the test at the top of the page “Press Any Key To Boot From CD” Just hit the space bar to activate. The next screen you will see will most likely be a Windows setup screen, when you see this press the “R” key to get to the recovery console. It will get there, it may take a little time, patience. Once it loads you will be given a choice of Windows installations, there should only be one, if there are more, always pick number one. It may ask for an administrators password, if you have not set this particular password, then just leave it blank and press enter. The next prompt you see is:
C:\Windows>
You need to type the following:
cd \
hit enter. Pay close attention to the spacing between the characters. There is a space between the character “d” and the “\”
You are now at the ROOT of the drive, this is where basic commands can be given and changed. You should now see the following:
C:\>
Now type the following:
CHKDSK /R
Hit the enter key.
The chkdsk /r command also includes the P command and will also look for lost recoverable information in bad sectors.
There are occasions depending on how corrupt the system is, that this process could take several hours, so be patient with it.
Now, after chkdsk has run type the following:
FIXBOOT
Hit the enter key.
It may prompt you with a warning, that’s ok, just continue. When fixboot has finished, type: EXIT hit enter and windows will reboot. When the system reboots, tap the F8 key during this time and you will see the multi-boot menu come up. Scroll to the title “Last Know Good Configuration” and hit the enter key. If you were having some simple drive errors this should have fixed them.

Posted on Oct 15, 2009

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