Windows 10 + 7 Dual Boot Problem

S

Sandi1987

New member
Local time
4:29 PM
Messages
7
In Windows 10 mouse and keyboard (USB 3.0) works always fine. When i start Windows 7 after i turn off Windows 10 my mouse and keyboard not working anymore after Windows 7 startup. It works if i Disable or Enable EHCI in BIOS. Internet not working if i disable EHCI.
 

My Computer

Computer type
PC/Desktop
OS
Windows 10 Professional x64 SLO + Windows 8.1 Professional x64 SLO
Did you install the usb 3.0 drivers on windows 7 ?

Did you install windows 7 using UEFI or Legacy mode ?

Can you plug the mouse and keyboard into 2.0 ports ? Does the PC have any ?

Which OS came with the PC ? Which OS did you install yourself ?

Did you make any changes to the Bios before installing either OS ?


Enhanced Host Controller Interface Specification
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Skylake Special #666
OS
Windows 10 Pro x64
CPU
Intel Core i7 6700K
Motherboard
Asus Sabertooth Z170 Mark 1
Memory
GSkill TridentZ RGB 16GB 3600 16-16-16-36
Graphics Card(s)
EVGA GTX 980 Ti SC x2
Sound Card
Realtek High Definition
Monitor(s) Displays
AOC G2460PG
Screen Resolution
1920 x 1080 144Hz
Hard Drives
Samsung 860 Pro 256GB, Seagate Barracuda 4TB x2
PSU
EVGA 1000 P2, EVGA White Custom Braided Cables
Case
Corsair Vengeance C70 Gunmetal Black
Cooling
Corsair H100i v2, Corsair ML120 x2, Thermal Grizzly Kryonaut
Keyboard
Logitech G910 Orion Spectrum
Mouse
Logitech G700s
Internet Speed
Verizon Fios Quantum Gateway 75/75
Antivirus
Windows Defender, Malwarebytes Free 3.8.3
Browser
Chrome
Other Info
Corsair SP120 x4, LG Blu-ray Drive, Durabrand HT-395 100 Watt Dolby Digital Amp, Corsair H2100 Wireless 7.1 Headset
I install USB 3.0 drivers and mouse and keyboard now working. I have problem with internet. When i quit Windows 10 and i go to Windows 7 internet not working in Windows 7 and i need to disable or enable EHCI in BIOS and then works.
 

My Computer

Computer type
PC/Desktop
OS
Windows 10 Professional x64 SLO + Windows 8.1 Professional x64 SLO
It's very difficult to us to understand what you have to find a solution to your problem.
- Edit your profile with all your hardware information.

Tell us the story of the installation
- How was Win 7 and Win 10 installed? Different disks, different partition or virtual machine?
- On Win 7 go to Device Manager and see if there is any missing driver.
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    custom build
    OS
    Windows 7 HP 64
    CPU
    i5 6600K - 800MHz to 4200MHz
    Motherboard
    GA-Z170-HD3P
    Memory
    4+4G GSkill DDR4 3000
    Graphics Card(s)
    IG - Intel 530
    Monitor(s) Displays
    Samsung 226BW
    Screen Resolution
    1680x1050
    Hard Drives
    (1) -1 SM951 – 128GB M.2 AHCI PCIe SSD drive for Windows 7 and Lubuntu
    (2) -1 WD SATA 3 - 1T for Data
    (3) -1 WD SATA 3 - 1T for backup
    PSU
    Thermaltake 450W TR2 gold
    Keyboard
    Old and good Chicony mechanical keyboard
    Mouse
    Logitech mX performance - 9 buttons (had to disable some)
    Internet Speed
    500Mb/s
    Browser
    Firefox 64
    Other Info
    TinyWall firewall
  • Computer type
    Laptop
    System Manufacturer/Model Number
    Asus Q550LF
    OS
    Windows 7 Pro
    CPU
    i7-4500U 800MHz to 3.0GHz
    Motherboard
    Asus Q550LF
    Memory
    (4+4)G DDR3 1600
    Graphics Card(s)
    IG intel 4400 + NVIDIA GeForce GT 745M
    Sound Card
    Realtek
    Monitor(s) Displays
    LG Display LP156WF4-SPH1
    Screen Resolution
    1920 x 1080
    Hard Drives
    BX500 120G SSD for Windows and programs +
    1T HDD for data
    Internet Speed
    500 Mb/s
    Browser
    Firefox
    Other Info
    TinyWall firewall
I have two SSD disks. One for Windows 10 and one for Windows 7.

Only Disable/Enable EHCI multiple times in BIOS helps. Internet works fine if i only use Windows 7. When i'm using Windows 10 and i go to Windows 7 internet not working anymore (No Internet Access). I don't have problems with internet in Windows 10 only in Windows 7.

My motherboard: ASUS Z87-PRO.
 
Last edited:

My Computer

Computer type
PC/Desktop
OS
Windows 10 Professional x64 SLO + Windows 8.1 Professional x64 SLO
On BIOS settings:
Did you install Win 7 as UEFI or Legacy?
How are the CSM settings?
Is Secure boot = Other?

- On Win 7 go to Device Manager and see if there is any missing driver.
 

My Computers

System One System Two

  • Computer type
    PC/Desktop
    Computer Manufacturer/Model Number
    custom build
    OS
    Windows 7 HP 64
    CPU
    i5 6600K - 800MHz to 4200MHz
    Motherboard
    GA-Z170-HD3P
    Memory
    4+4G GSkill DDR4 3000
    Graphics Card(s)
    IG - Intel 530
    Monitor(s) Displays
    Samsung 226BW
    Screen Resolution
    1680x1050
    Hard Drives
    (1) -1 SM951 – 128GB M.2 AHCI PCIe SSD drive for Windows 7 and Lubuntu
    (2) -1 WD SATA 3 - 1T for Data
    (3) -1 WD SATA 3 - 1T for backup
    PSU
    Thermaltake 450W TR2 gold
    Keyboard
    Old and good Chicony mechanical keyboard
    Mouse
    Logitech mX performance - 9 buttons (had to disable some)
    Internet Speed
    500Mb/s
    Browser
    Firefox 64
    Other Info
    TinyWall firewall
  • Computer type
    Laptop
    System Manufacturer/Model Number
    Asus Q550LF
    OS
    Windows 7 Pro
    CPU
    i7-4500U 800MHz to 3.0GHz
    Motherboard
    Asus Q550LF
    Memory
    (4+4)G DDR3 1600
    Graphics Card(s)
    IG intel 4400 + NVIDIA GeForce GT 745M
    Sound Card
    Realtek
    Monitor(s) Displays
    LG Display LP156WF4-SPH1
    Screen Resolution
    1920 x 1080
    Hard Drives
    BX500 120G SSD for Windows and programs +
    1T HDD for data
    Internet Speed
    500 Mb/s
    Browser
    Firefox
    Other Info
    TinyWall firewall

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Home made Desktop
OS
Windows 10 Pro. 64/ version 1709 Windows 7 Pro/64
CPU
Intel i7-6800K @ 4.3
Motherboard
ASUS X-99 Deluxe II
Memory
Corsair Platinum 16 gig @2400
Graphics Card(s)
EVGA GTX 1070 OC
Monitor(s) Displays
Asus 27" LED LCD/VE278Q
Screen Resolution
1920-1080 or 1280-720 HDMI
Hard Drives
INTEL SSD 730-240 Gb Sata 3.0/
PSU
EVGA Platium 1200W
Case
Phanteks Luxe Tempered Glass 8 fans/ one radiator
Cooling
XSPC/ Water Cooled CPU
Keyboard
Das 4 Professional
Mouse
Logitech M705/MX Anywhere 2-S
Internet Speed
100 mbits
Antivirus
Microsoft Security Essentials/ Malwarebytes Premium 3.0/ SAS
Browser
I.E. 11 default/Firefox/ ISP Time Warner Cable/Spectrum
Other Info
LG BluRay Burner/
Sound system-KLipsch-THX/
Icy Dock ssd Hot Swap bays.
SLO means Slovenian Language because i'm from Slovenia (Europe).

system-info.png
 

My Computer

Computer type
PC/Desktop
OS
Windows 10 Professional x64 SLO + Windows 8.1 Professional x64 SLO
If i change "Boot from Network Devices" in CSM settings in BIOS internet works in Windows 7 but when i start Windows 10 and go to Windows 7 internet not working in Windows 7. Works again if i change "Boot from Network Devices".
 

My Computer

Computer type
PC/Desktop
OS
Windows 10 Professional x64 SLO + Windows 8.1 Professional x64 SLO
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