Keyboard/Mouse not recognised in Win7 64 bit installation

Specs of my machine:
OS X Yosemite
Version 10.10.1 (14B25)
iMac (21.5-inch, Late 2013)
Processor 2.7 GHz Intel Core i5
Memory 8GB 1600 MHz DDR3
Startup Disk Macintosh HD
Graphics Intel Iris Pro 1536 MB
Okay so, I've finally downloaded/installed windows 7 through bootcamp, everything runs fine until the windows screen prompts me to restart and run the installation again, then my mouse/keyboard won't work both magic mouse/keyboard and usb connected mouse won't work so can't finish installing windows to enter control panel or delete usb drivers like previous suggestions!
Can anyone help please?

What other peripherals do you have connected to the iMac? Usually external storage devices cause the most problems.
Disconnect all external peripherals, connect a wired USB keyboard/mouse, and a USB for Windows installer and run BCA.
Please also see Boot Camp: Solve Windows installation problems.

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Dear Customer,
Welcome and Thank you for posting your query on HP Support Forum
According to the message you have posted I suspect this could be because of the recent changes made if any
Note: You can use an External USB Keyboard and Mouse if in-built Notebook Keyboard is not working
Please perform the below shown steps to resolve the issue:
Step 01. Turn OFF the PC
Step 02. Power ON the PC and keep tapping F8 Key
Step 03. Select "Last known good configuration" from the Advance Boot Option list
Note: Wait till you get to the Windows Desktop
Step 04. Please remove unwanted startup items and uninstall unwanted applications
Step 05. Please reboot/restart the PC the normal way
Hope this helps, for any further queries reply to the post and feel free to join us again
**Click the KUDOS star on left to say Thanks**
Make it easier for other people to find solutions by marking a Reply 'Accept as Solution' if it solves your problem.
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Although I am an HP employee, I am speaking for myself and not for HP

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Message was edited by: nerowolfe

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Keyboard/Mouse not recognised in Win7 64 bit installation

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