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can't change computer type back to original type in device manager!

Discussion in 'Windows XP' started by steveyg777, Jun 28, 2007.

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  1. steveyg777

    steveyg777 Thread Starter

    Apr 13, 2007
    so, a few years back i read a magazine that said to change the type of computer in device manager to standard pc because it made the computer run a little better or faster.

    so now i've got my laptop and i've noticed it getting slower and thought that i would do this... VERY BAD MOVE!!!

    i can still boot windows and everything - it meant that i had to let the computer reinstall all of the drivers for my hardware - but i have noticed in the device manager now that there are two instances of 'standard pc', there is also a new section titled 'other devices' with about 15 devices that seem to have no driver for them - some mention 'ISA' so i am guessing that changing to standard pc means that windows thinks my laptop is now a desktop pc with ISA slots???

    i find that when i put my laptop lid down the thing shuts down, when i press the power button it turns off straight away (doesn't even shut down!). i had had the laptop configured for ages to do nothing when i closed the lid and give me shut down options when i pressed the power button. i look in power options and i can only cinfigure the monitor screen and hard disk power off options - every other option is not available. when i do bring up the shut down options i can no longer choose standby.

    i have also realised that i can not turn on my wireless connection - i've tried all sorts to get it to work with no avail! the laptop is an acer ferrari and when i call up the manager app it says that bluetooth and wireless are not present (by the way i can still get the bluetooth button to work - correction - it starts up with the button on but if i turn it off it won't let me turn it on again). the emanager and presentation manager buttons on the laptops casing don't work either (i have to access them via software route).

    my questions are:

    1) is it possible that something is going on with the acer part of my system - with regards to the buttons and also the wireless and bluetooth?

    2) can i change my computer type back to 'acpi uniprocessor pc' (yes it is compatible) and will this solve all of my power option limitations/other device entries?

    3) have i got any of my suspicions right and is there anything i've missed?

    by the way - i really, really , really don't want to reinstall windows xp all over again because:

    1) it has taken me about 3 months and COUNTLESS hours to customise my system to a T (i was hoping to get it perfect and then backup an image so i have a better 'starting block' in the future if i reinstall the system)

    2) i haven't got the windows install discs on me because they are at another location, far away and i can't get them very easily at all - i do have an image to reinstall from however but it would take forever to recustomise everything again!

    every bit of help is a life saver - thank you in advance!!! even ideas are appreciated...

  2. Augie65


    Mar 23, 2005
    Did you try System Restore to a time before you changed everything?
  3. steveyg777

    steveyg777 Thread Starter

    Apr 13, 2007
    yep. already thought of that. it did nothing

    is there a way of doing something through the registry?
    could i act as windows when it installs itself the first time and install particular files through a command prompt? (just throwing out ideas if anyone knows how to do these things)
  4. ozrom1e


    May 15, 2006
    Welcome to TSG....

    Do you have the recovery disks for this computer?

    What is the make and model number of the computer and some system specs would be great also?
  5. Frank4d

    Frank4d Retired Trusted Advisor

    Sep 10, 2006
    I know this is not what you want to hear, but you cannot change from "Standard PC" to "ACPI Uniprocessor PC" without reinstalling Windows.
  6. steveyg777

    steveyg777 Thread Starter

    Apr 13, 2007
    sure thing:

    acer ferrari 4005 wlmi laptop

    1 gig ram
    80 gig hd
    amd turion (ml-37 i think) (64 bit) cpu 2.0ghz
    ati radeon x700 w/ 128mb ram (dedicated)
    win xp home
    dvd-r drive

    anything else that would be helpful?

    here's a link-


  7. steveyg777

    steveyg777 Thread Starter

    Apr 13, 2007
    i thought i'd make it a little easier:

    Acer Ferrari 4005WLMi - Turion 64 mobile technology ML-37 2 GHz - 15.4" TFT
    System Type: Notebook

    Built-in Devices: Stereo speakers, wireless LAN aerial, Bluetooth aerial

    Width: 36.3 cm

    Depth: 26.6 cm

    Height: 3.5 cm

    Weight: 2.9 kg

    Localisation: English / United Kingdom

    Processor: AMD Turion 64 mobile technology ML-37 / 2 GHz

    64-bit Computing: Yes

    Features: 3DNow! Professional technology, PowerNow! technology, HyperTransport technology, Enhanced Virus Protection

    Chipset Type: ATI Radeon Xpress 200

    Cache memory
    Type: L2 Cache

    Installed Size: 1 MB

    Installed Size: 1 GB / 2 GB (max)

    Technology: DDR SDRAM - 333 MHz

    Memory Specification Compliance: PC2700

    Configuration Features: 2 x 512 MB

    Storage controller
    Type: IDE

    Hard Drive: 100 GB - 5400 rpm

    Optical storage
    Type: DVD±RW / DVD-RAM - integrated

    Card reader
    Type: 5 in 1 card reader

    Supported Flash Memory Cards: SD Memory Card, Memory Stick, Memory Stick PRO, MultiMediaCard, xD-Picture Card

    Display Type: 15.4" TFT active matrix

    Max Resolution: 1680 x 1050 ( WSXGA+ )

    Widescreen Display: Yes

    Colour support: 24-bit (16.7 million colours)

    Graphics Processor / Vendor: ATI Mobility Radeon X700 - PCI Express

    Video Memory: DDR SDRAM - 128 MB

    Audio Output: Sound card

    Compliant Standards: AC '97

    Audio Input: Microphone

    Input device(s)
    Type: Keyboard, touchpad, 4-way scroll button

    Modem: Fax / Modem

    Max Transfer Rate: 56 Kbps

    Protocols & Specifications: ITU V.92

    Features: Wake on Ring

    Networking: Network adapter

    Wireless LAN Supported: Yes

    Wireless NIC: Acer InviLink 802.11g

    Data Link Protocol: Ethernet, Fast Ethernet, Gigabit Ethernet, Bluetooth, IEEE 802.11b, IEEE 802.11g

    Remote Management Protocol: DMI 2.0

    Compliant Standards: IEEE 802.11b, IEEE 802.11g, Wi-Fi CERTIFIED

    Expansion / connectivity
    Expansion Slots Total (Free):

    2 ( 0 ) x memory
    1 ( 1 ) x CardBus - type II
    1 ( 1 ) x Memory Stick
    1 ( 1 ) x SD Memory Card
    1 ( 1 ) x xD-Picture Card


    Features: Security lock slot (cable lock sold separately), administrator password, system password, wake on LAN, Wake on Ring

    Compliant Standards: ACPI 1.0b

    Power Device: External

    Voltage Required: AC 120/230 V ( 50/60 Hz )

    Technology: 8-cell Lithium Ion

    Installed Qty: 1

    Run Time (Up To): 3 hour(s)

    Operating system / software
    OS Provided: Microsoft Windows XP Home Edition

    Software: Adobe Acrobat Reader, Norton AntiVirus, Cyberlink PowerDVD , Microsoft Works Suite, Acer System Recovery, Acer Launch Manager, NTI CD-Maker, Acer eManager, Acer GridVista

    Manufacturer warranty
    Service & Support: 1 year warranty

    Service & Support Details: Traveller warranty - 1 year
  8. steveyg777

    steveyg777 Thread Starter

    Apr 13, 2007
    with regards to the comment from Frank4d and to notify everyone that this IS solvable (i should have done this a long time ago - sorry!)

    the answer is that i got my laptop working again!!! how:

    i copied the 'acpi uniprocessor pc' driver files from a friends laptop over to mine and restarted. it fooled my laptop into thinking that it was the computer (that it actually should be) and worked fine, just to make sure i then uninstalled relevant drivers so that it could find the hardware again and reinstall all drivers!

    woo hoo!!!!!

    thaks for your help guys! :)
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