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Receiving a bad image checksum error message when upgrading a computer to Windows XP means that a Windows system file such as user32.dll is damaged. This error occurs when any damaged system file is encountered that isn't overwritten during Setup. The repair process for this error involves voiding the damaged dynamic link library file from the DOS command line prompt and replacing it with a new copy from the Windows XP disk.
Insert a clean Microsoft Windows Millennium Edition (ME) or Microsoft Windows 98 Edition startup disk into the computer, and hold the reset button on the front of the computer until the system commences rebooting. Navigate the Windows startup menu with the keyboard's directional keys and select 'Start Computer with CD-ROM Support'. Hit "Enter" to continue. Write down your CD-ROM's drive letter on a piece of paper. At the command prompt, type "Drive:" without quotes (Drive should be replaced with the drive letter on which Windows is installed), and press "Enter." Type "cd windows\system32" without quotes, and press "Enter." Type "ren user32.dll user32.old" without quotes and again press "Enter." This renames your damaged user32.dll file so it is not recognized by the system, but still physically exists as a backup if needed in the future. Eject the Windows ME or 98 disk, and insert the Windows XP disk. At the command prompt, type "extract CDROMDrive:\i386\user32.dl_ Drive:\windows\system32\user32.dll" without quotes, replacing CDROMDrive with the CD-ROM's drive letter that you made a note of earlier, and replacing Drive with the system's drive letter on which Windows is installed. Hit "Enter" to execute the command. This process extracts a new copy of the user32.dll file to your hard disk, from the Windows XP CD. The new file will be found in the Windows/System32 directory. Restart the system by holding the reset button on the front of the tower until reboot commences.
Well it is rather easy but it does take some practice, some people prefer to adopt a method whereby they assign certain fingers for certain keys, this is done mostly for quick typing. However it does not matter how you type so long as it is comfortable for you. After a short whole you will find it quite exciting. The shift key found on the bottom left hand side of the keyboard is to do Capital letters and the CAPS key is to do THIS ALL CAPITAL LETTERS. The space bar is to make a space between words, just like a type-writer.
Don't worry, you will learn in good time.
Step 1: Opening a command promptThis error prevents Windows XP from opening. This problem has to be addressed from a command prompt environment.
Use the following steps to open a command prompt environment:
Turn on the PC and press the F8
key repeatedly when the first screen appears.The Windows advanced options menu appears.
Use the Up and Down Arrow and Enter
keys to select Return to OS choices
Select Microsoft Windows Recovery Console
"Microsoft Windows XP Recovery Console" is not listed, restart the PC
with a Windows XP CD, Recovery Console CD, or Recovery Tools CD in the
top CD or DVD drive and open Microsoft Windows Recovery Console. If a
Windows XP Setup screen appears when using Recovery Console CD's, press
the R key to open the Recovery Console.
If "Microsoft Windows XP Recovery Console" does not list and you do not have a CD with recovery console, try the following:
Turn on the PC, and press the F10
key repeatedly at the first screen.
At the Recovery screen, click Advanced Options
Press the Alt
keys at the same time to open a command prompt window and skip to step 5.
the log in prompt appears, press the number next to the windows version
(min int or Windows) and type the log on password. Try pressing Enter if
you do not know the password.
At the command prompt, type the following: disk part
, do one the following:
If a table of volume names appears, remember the drive letter
next to the main drive volume name (usually D or H next to HP_PAVILION or PRESARIO) and press the Esc
If a disk part prompt appears, type list volume
, press Enter
, remember the drive letter
next to the main drive volume name (usually D or H next to HP_PAVILION or PRESARIO), type exit
when done, and then press Enter
Here you go:
Enter The computer brings the cursor to the beginning of the next line. This key can also be pressed
to open a program after you have HILIGHTED* it. It will execute a command.
Shift ▲ Hold the shift key down and press the letter key you want to make a CAPITAL letter.
This key is also used to type the charters at the
top of some keys. Eg: Shift + 1 = ! or Shift + 2 = @
Caps Lock Makes all letters CAPITAL letters. When the Caps Lock key is pushed, a light will
show up on the upper right corner of your keyboard
next to the capital “A”. When caps lock is turned on it remains on until you press the Caps Lock key
again. When you press the Shift key when
Caps Lock is on, a lower case letter will be produced.
Space This key places one space every time it is pressed. (The long, unlabeled key at the
bottom center of your keyboard).
←Backspace Deletes the character to the left of the cursor each time you press it. (If you hold it
down it will continue to delete so be careful).
Delete Deletes the character to the right of the cursor each time you press it.
Home Brings you to the beginning of the line the cursor is on.
End Brings you to the end of the line the cursor is on.
Esc Located in the upper right corner of your keyboard. Cancels an incomplete command;
it will also close an open menu.
← Moves the cursor to the left one space each time it is pushed; does not delete the
↑ Moves the cursor up one line each time it is pushed; does not delete the character.
→ Moves the cursor to the right one space each time it is pushed; does not delete the
↓ Moves the cursor down one line each time it is pushed; does not delete the character.
Insert Deletes the character to the right of the cursor and replaces it with whatever is typed on
↔Tab Moves the cursor to the tab marks and between columns.
Shift + print screen Prints what is on your computer screen.
Highlight (to select) To make the item stand out. To choose or select it.
? *When an icon is highlighted (left click the mouse button one time while the cursor is pointing at
the icon), the program has been chosen and the name of the icon will change color. When this has
happened, you may press the Enter key to open the program.
? *To highlight a character or characters, move the cursor, using your mouse or the arrow keys, to
the left of the item you wish to select. Press the left mouse button and hold it down while you
move the mouse to the right. Let go of the left mouse button and your item(s) should be
highlighted. Then you can choose what you want to do to the selected item(s) e.g. bold, underline,
delete, italicize, etc.
“Drag and drop” Move the cursor to the item, click the left mouse button and hold it down.
Move the mouse, while holding down the left
mouse button, to the location you want to move the item. Let go of the left
Cursor - The arrow on your screen. The mouse is used to move the cursor.
Let me know if this helped
if you did not put a password then try just hitting Enter or Return on the password line
Usually your user name will do or "Administrator" (note the capitals letters)
password line will be blank
if all fails then try goin into safe mode by tapping F8 key while booting up computer and selecting Administrator, then once inside the computer you can remove the password from control panel / User account section.