Question about Mercury KVM266PM-U (KVM266PMUD1600) Motherboard
You need to repair your XP Operating System.
Here is how:
Posted on Jan 18, 2008
Tips for a great answer:
Mar 26, 2013 | Intel 580978 Motherboard for Hp Pavillion...
Restart your computer repeatedly tapping the f8 key to enter safe mode while the screen is black once in safe mode where the only things working will be your keyboard and mouse allowing you to attempt to repair your computer
As the computer is booting repeatadly press the F8 key as the computer is booting
If done properly the user should get to a screen similar to the below screen.
Select the option for Safe mode command prompt only
Windows Advanced Options Menu
Please select an option:
Safe Mode with Networking
Safe Mode with Command Prompt
Enable Boot Logging
Enable VGA mode
Last Known Good Configuration (your most recent settings that worked)
Directory Services Restore Mode (Windows domain controllers only)
Start Windows Normally
Return to OS Choices Menu
Use the up and down arrow keys to move the highlight to your choice.
select safe mode with command prompt
Then type at the C:\> prompt: type
and hit Enter. You'll see a dash (-) at the DEBUG prompt. Now type:
o 70 2e
which will show as -o 70 2e at the DEBUG prompt. Hit Enter. Then type:
o 71 ff
and hit Enter. Finally type:
and hit Enter one last time to quit DEBUG back to the C:\> prompt.
Now you're ready to reboot your PC, and press the appropriate key or key
combo (look it up in your motherboard manual if you don't know it) to access
your BIOS Setup.
Youll notice the password is gone.
If this fails try typing
At command prompt type debug
you will get a - prompt where you can type the following (<enter> means press enter, not type enter*)
MOV AX,0 <ENTER>
MOV AX,CX <ENTER>
OUT 70,AL <ENTER>
MOV AX,0 <ENTER>
OUT 71,AL <ENTER>
INC CX <ENTER>
CMP CX,100 <ENTER>
JB 103 <ENTER>
INT 20 <ENTER>
<ENTER> just hit enter on this line
Basic BIOS password - works 9.9 times out of ten
If this fails you will need to
Select safe mode with networking to download
you could download all of these or just one save them to a usb drive for later use if one fails to remove the password
At some stage you might need to press Ctrl+Enter rather than just Enter if on a Dell Latitude E5410
A CMOS BIOS password recovery tool
Editors note: This tool should only be used by experienced computer users.
Please see the enclosed read me if you would like to run it from Windows.
Failure to follow instructions (from Windows) will cause your anti-virus to flag this as a virus.
Hope this helps.
Nov 21, 2012 | Acer Extensa 4420 (484U101011) Motherboard
Turn off the computer, then hit the power button to
back on and immediately start hitting the F8 key repeatedly until you
MODE. Take the Safe Mode With Networking option (this will give you
internet connectivity) and let it boot up. Safe Mode will look different
you, the screen will be darker and the icons bigger, this is normal.
Uninstall AVG then reboot and see if you are ok. Download and install
Microsoft Security Essentials as your antivirus program.
If you still get the blue screen, Try running the Check Disk Utility.
To run the check disk utility you will need a repair disc or
a operating system disc. Put the disc in the cd drive and boot from
it. You want to get to the Dos Command Prompt (Black screen with white
letters) and type the following command: chkdsk /r
Check disk will run well over an hour or two and you will notice the percentages going from high to low, this is normal. Let it run to completion. Then reboot machine.
If check disk fails to solve your problem you might have to reinstall windows. Try doing a Repair Install that way you don't loose your data, documents, music, pictures, videos or programs.
In windows xp you get to the dos command prompt by selecting R for repair when the options appear.
In Vista and Windows 7 you want to get to the recovery console and look down at the bottom of the window for the Dos Command.
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