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6569

June 27th, 2013 15:00

Replacement crypt32.dll Is Causing Keyboard to not work

Hopefully someone can help on this one.  I booted my Alienware M17XR3 and received an error saying the crypt32.dll is corrupt or missing.  I went through some online help forums that suggested I chkdsk the boot disk.  I did that and got a different error saying the crypt32.dll is missing.  Again, the suggestion from an online forum was to copy the .dll from the windows DVD to the boot drive.  I did that and now the computer starts fine but the keyboard does not work.  When I boot from the DVD and go to a command prompt, the keyboard works fine which tells me it is not a hardware issue, but is somehow related to the copying of the .dll to the computer.  Short of reloading windows, does anyone know what I can do to fix the .dll so the keyboard works?

807 Posts

June 27th, 2013 16:00

Presumably when you say you copied the file to the boot drive you meant you copied it to C:\Windows\System32 folder and not just the root folder?

Try this:

Open an elevated command prompt and run these two commands.

1st type in this command (without quotes) "regsvr32 /u crypt32.dll"

Click OK on window

then type in this command (without quotes) "regsvr32 crypt32.dll"

Click Ok on window

Restart PC and see if the keyboard works.

If that doesn't fix the problem then try a system file check as follows

Open an elevated command prompt and type (without quotes) "sfc /scannow" and press Enter.

Restart PC when sfc has finished.

If still not fixed then you could try reinstalling the keyboard driver. Just go into Control Panel>Device Manager, locate and expand "Keyboards", right click on the keyboard entry and choose "Uninstall".

Restart PC and let Windows install the keyboard driver.

Post back with your results.

2 Posts

June 28th, 2013 08:00

Thanks Paul, we are trying those steps now.

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