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Windows 7: No mouse, keyboard on fresh install

08 Nov 2014   #1
tomdavidg

Win 7 Home Premium
 
 
No mouse, keyboard on fresh install

Trying to install Win 7 Home Premium 32 bit on a 60Gb partition of SSD (the other partition has Win 8.1 installed and working). Windows loads the files off the disk, logon screen with mouse pointer comes on, but no keyboard or mouse function. Both are USB devices connected through the PS2 ports. Tried a mouse on the front panel, same result. All works fine when I boot to Win 8.1 using the same hardware.

Previously I had Win 7 64 bit installed on the same partition, I wanted to use the 32-bit version, so I reformatted the partition. The first attempt installed OK, but on rebooting I lost the mouse and keyboard. The second attempt lost the mouse at the install login screen.

I suppose it is something in the BIOS, but how do I fix it without messing up the Win 8.1 install??
Thanks


My System SpecsSystem Spec
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08 Nov 2014   #2
gregrocker

 

How is a USB device connected through PS2 ports? Try using either a PS2 mouse/keyboard connected via a PS2 port, or a USB mouse and keyboard connected via a USB2 port.
My System SpecsSystem Spec
09 Nov 2014   #3
tomdavidg

Win 7 Home Premium
 
 

USB keyboard and mouse are connected through adapter plugs to PS2 ports. Don't have a PS2 keyboard or mouse around. This arrangement worked when initially installing Win7. Connecting to USB ports didn't work - no lights, no power, no movement, no nuttin'.
My System SpecsSystem Spec
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09 Nov 2014   #4
Ztruker

Windows 10 Pro X64
 
 

Check BIOS setup. Look for USB Legacy support, make sure it's on.
My System SpecsSystem Spec
12 Nov 2014   #5
tomdavidg

Win 7 Home Premium
 
 

All I can find in the BIOS is "USB Support - Disabled: All USB devices are disabled before the OS boot process completes
Full initial: All USB devices are functional in the OS and during POST
Partial initial: Part of the USB devices are disabled before the OS boot
process completes"
The "partial" is the default. I tried the others, to no effect. The mouse works during the BIOS initialization, to select items. but not when Win 7 is installed. When Win 7 boots from the installation disk it gets as far as the language screen, and can't go further.
My System SpecsSystem Spec
12 Nov 2014   #6
Gamer1

Iowa
 
 
Low-Tech possible solution

Quote   Quote: Originally Posted by tomdavidg View Post
All I can find in the BIOS is "USB Support - Disabled: All USB devices are disabled before the OS boot process completes
Full initial: All USB devices are functional in the OS and during POST
Partial initial: Part of the USB devices are disabled before the OS boot
process completes"
The "partial" is the default. I tried the others, to no effect. The mouse works during the BIOS initialization, to select items. but not when Win 7 is installed. When Win 7 boots from the installation disk it gets as far as the language screen, and can't go further.
I would think the "Full initial" would be the correct choice. IMHO

This may sound like a stupid question, but.... Have you completely powered the system down since the error occurred or have you just be restarting. If not, try powering down, then unplugging the PC from power (or removing battery if it's a laptop) for at least 30 seconds. I've had this resolve weird things like this before is the only reason I suggest it.. :-)

Have you also tried your USB mouse and keyboard connected to USB ports instead of via the PS/2 to USB gender bender? I mean, just to see if it works? It also may trigger something with regard to windows plug and pray looking at the ps/2 ports for devices again after they have been previously replaced by usb input devices. Sometime windows initialization needs a kick in the pants to make it do it's job correctly again. And mixing up what is plugged where can be the kick it needs.

I do kind of agree with gregrocker in that if you want to use the ps/2 ports for your mouse and keyboard then you should get a genuine ps/2 mouse and keyboard. Or instead of a usb to ps/2 adapter get a usb hub to have more available usb ports for your usb mouse and keyboard. Gender bending just adds another potential level of confusion for the OS to try and figure out on boot up.

That's all I can think of to try at the moment. Be sure to let us know what you end up trying and what you end up doing to resolve the problem.
My System SpecsSystem Spec
12 Nov 2014   #7
gregrocker

 

In addition, I'd work through these steps which resolve 90% of install problems: Troubleshoot Windows 7 Installation Failures - Windows 7 Help Forums

Resetting the BIOS to defaults may help. Since the OS installed correctly once something may have slipped. It's also the chance to see if you have the preferred AHCI setting.
My System SpecsSystem Spec
18 Nov 2014   #8
tomdavidg

Win 7 Home Premium
 
 

I am reluctant to play around too much with the BIOS, for fear of messing up the Windows 8 boot, which continues to work fine. I did find that unplugging allows the mouse to work on booting into Win7. If I go into Win8 first, I have to unplug to get Win7 to work. Restart and shutdown from Win8 do not allow the mouse or keyboard to work on rebooting to Win 7.
My System SpecsSystem Spec
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