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5 unidentified devices...


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#1 pivotraze

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Posted 03 February 2011 - 01:02 AM

I just upgraded my sister's computer from Windows Vista to Windows 7. After the upgrade, I looked in device manager and found 5 unknown devices, listed as follows:
Video Controller
Unidentified Device
Base System Device
Base System Device
Base System Device

How do I find out what these are?

She has the Acer Aspire 4330
Here is the device manager list:

COURTNEY-PC
---Batteries
-----Microsoft AC Adapter
-----Mirosoft ACPI-Compliant Control Method Battery
-----Microsoft Composite Battery
---Computer
-----ACPI x86-based PC
---Disk drives
-----Hitachi HTS543216L9A300 ATA Device
---Display Adapters
-----Standard VGA Graphics Adapter
---DVD/CD-ROM drives
-----PIONEER DVD-RW DVRTD08RS ATA Device
---IDE ATA/ATAPI controllers
-----ATA Channel 0
-----ATA Channel 1
-----Intel(R) ICH9M/M-E Family 4 Port SATA AHCI Controller - 2929
---Keyboards
-----Standard PS/2 Keyboard
---Mice and other pointing devices
-----PS/2 Compatible Mouse
---Monitors
-----Generic PnP Monitor
---Network Adapters
-----Atheros AR5B91 Wireless Network Adapter
-----Realtek RTL8168C(P)/8111C(P) Family PCI-E Gigabit Ethernet NIC (NDIS 6.20)
---Other Devices
-----Base System Device
-----Base System Device
-----Base System Device
-----Unknown Device
-----Video Controller
---Processors
-----Genuine Intel(R) CPU       575 @ 2.00GHz
---SD host adapters
-----SDA Standard Compliant SD Host Controller
---Sound, video and game controllers
-----High Definition Audio Device
---System Devices
-----ACPI Fixed Feature Button
-----ACPI Lid
-----ACPI Power Button
-----ACPI Sleep Button
-----ACPI Thermal Zone
-----Composite Bus Enumerator
-----Direct memory access controller
-----High Definition Audio Controller
-----High precision event timer
-----Intel(R) 82801 PCI Bridge - 2448
-----Intel(R) 82802 Firmware Hub Device
-----Intel(R) ICH9 Family PCI Express Root Port 1 - 2940
-----Intel(R) ICH9 Family PCI Express Root Port 2 - 2942
-----Intel(R) ICH9 Family PCI Express Root Port 3 - 2944
-----Intel(R) ICH9 Family PCI Express Root Port 5 - 2948
-----Intel(R) ICH9 Family SMBus Controller - 2930
-----Intel(R) ICH9 Family Thermal Subsystem - 2932
-----Intel(R) ICH9M LPC Interface Controller - 2919
-----Microsoft ACPI-Compliant Embedded Controller
-----Microsoft ACPI-Compliant System
-----Microsoft System Management BIOS Driver
-----Microsoft Virtual Drive Enumerator Driver
-----Microsoft Windows Management Interface for ACPI
-----Microsoft Windows Management Interface for ACPI
-----Mobile Intel(R) 4 Series Chipset Processor to DRAM Controller - 2A40
-----Numeric data processor
-----PCI Bus
-----Plug and Play Software Device Enumerator
-----Programmable interrupt controller
-----System CMOS/real time clock
-----System Timer
-----UMBus Root Bus Enumerator
---Universal Serial Bus Controllers
-----Intel(R) ICH9 Family USB Universal Host Controller - 2934
-----Intel(R) ICH9 Family USB Universal Host Controller - 2935
-----Intel(R) ICH9 Family USB Universal Host Controller - 2936
-----Intel(R) ICH9 Family USB Universal Host Controller - 2937
-----Intel(R) ICH9 Family USB Universal Host Controller - 2938
-----Intel(R) ICH9 Family USB Universal Host Controller - 2939
-----Intel(R) ICH9 Family USB2 Enhanced Host Controller - 293A
-----Intel(R) ICH9 Family USB2 Enhanced Host Controller - 293C
----- USB Root Hub
----- USB Root Hub
----- USB Root Hub
----- USB Root Hub
----- USB Root Hub
----- USB Root Hub
----- USB Root Hub
----- USB Root Hub

Edited by pivotraze, 03 February 2011 - 01:16 AM.

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#2 Dmacf10

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Posted 03 February 2011 - 01:29 AM

You should go to Acer's support webpage and download/install the latest Windows 7 drivers.

#3 Allan

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Posted 03 February 2011 - 07:57 AM

Agree with the above post - be sure to download and install the chipset driver then reboot and install the other drivers.




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