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Read more Register · Log In HP Support Forum Home > Archived Topics > Notebooks Archive > Base System Device & Coprocessor driver problem with Windows... I did as you suggested and turned the laptop off, disconnected the AC and battery, removed the RAM and reseated it. Just burn *.iso file on CD and run test. Just burn *.iso file on CD and run test.

Be sure then You haven't got battery or ac adaptor conected to Your laptop.2. Thank you for directing me to the right drivers which fixed the device driver problem. Manufacter installed in this model 2048 MB Ram (2GB) so if You haven't added 2 GB on Your own everything is ok .If there will be still problems and Your really MilesToGo Tutor Posts: 20 Member Since: ‎01-04-2009 Message 1 of 17 (41,917 Views) Report Inappropriate Content Base System Device & Coprocessor driver problem with Windows 7 - Pavilion dv9720us Options Mark

how to do it all informations here. ** Say thanks by clicking the "Thumb up" icon below. **** Make it easier for other people to find solutions, by marking my answer You may need to change boot order in Bios (to get to bios on boot press F10).Message Edited by Daniel_Potyrala on 10-30-2009 12:57 PM View solution in context 0 Kudos 0 Discussion Boards Open Menu Discussion Boards Open Menu Welcome to the Forum! I checked the BIOS and it shows 2048MB which I think is 2GB, but it also shows the operating system as Vista Factory Installed which it isn't.Regards,Kathy 0 Kudos 0 Kudos

Ask questions. Manufacter installed in this model 2048 MB Ram (2GB) so if You haven't added 2 GB on Your own everything is ok .If there will be still problems and Your really Be sure then You haven't got battery or ac adaptor conected to Your laptop.2. Help others.The HP Community is here for you.

Search the Community Entire ForumThis CategoryThis BoardUsers turn on suggested results Auto-suggest helps you quickly narrow down your search results by suggesting This topic has been archived. This topic has been archived. All 3 of these devices are listed under Other Devices in device manager.

I deliberately upgraded to reduce the glitchy reponses from Vista.I could go to Windows 7 32-bit, but I not sure that will fix any of my problems.Thank you so much!Kathy Solved! You rock! 1 Kudo 1 Kudo « Previous 1 2 Next » « Message Listing « Previous Topic Next Topic » Note on archived topics. Information and links in this thread may no longer be available or relevant.If you have a question create a new topic by clicking here, or click on "Post new question" above I booted the laptop back up and SUCCESS!

  • My wireless adapter started working fine !
  • I believe windows downloaded some updates and installed, because when I shutdown the laptop to reboot today, it had to install some updates.
  • Have you gotten an answer yet sh.
  • Could you please let me know, how I can do it.
  • CAN U BE SPECIFIC WHERE I CAN GET IT.THANKS Report PEEWHY- Apr 29, 2010 at 02:25 PM HI, I GOT HP DV6208 LAPTOP (AMD,VISTA) WITH WIRELESS NETWORK PROBLEMS.

Everything seems to be working, but I get error messages indicating that the Base System Device x 2 does not work because it doesn't have the correct driver, the Coprocessor is http://hpnotebookdrivers.com/model/hp-pavilion-dv9720us-entertainment-notebook-pc-drivers/ You may need to change boot order in Bios (to get to bios on boot press F10).Message Edited by Daniel_Potyrala on 10-30-2009 12:57 PM ** Say thanks by clicking the "Thumb Vista 32-bit never recgonized more than 2GB.Best Regards,Kath 0 Kudos 0 Kudos ozzy091 Intern Posts: 35 Member Since: ‎09-02-2009 Message 6 of 17 (42,304 Views) Report Inappropriate Content Re: Base System Regard'sOsel Cerejo 0 Kudos 0 Kudos Daniel_Potyrala Provost Posts: 10,923 Member Since: ‎01-31-2009 Message 7 of 17 (42,342 Views) Report Inappropriate Content Re: Base System Device & Coprocessor driver problem with

Is there anyway I can get Windows 7 to recognize the other 2 GB?Thanks,Kathy 0 Kudos 0 Kudos Daniel_Potyrala Provost Posts: 10,923 Member Since: ‎01-31-2009 Message 4 of 17 (41,888 Views) or Post new question Post new question Question Reply Topic Options Subscribe Mark Topic as New Mark Topic as Read Float this Topic for Current User Bookmark Subscribe Printer Friendly Page View Solution. 0 Kudos Re: Base System Device & Coprocessor driver problem with Windows 7 - Pavilion dv9720us 10-30-2009 04:43 AM Unmount Your Ram and mount it again.Notes:1. Help!

In additon, my laptop has 4 GB of RAM and yet Windows 7 only recognizes 2 GB. Additional batteries are affected. Learn How to Post and More  Community News  Best of the Community Blog  Notebooks Notebook Operating System and Recovery  Notebook Boot and Lockup  Notebook Wireless and Networking  Notebook Audio  Notebook Video, my laptop now recognized all 4GB of RAM.Thank you very much for your help!

If You were having it also in Vista was it working correctlly?I know then it's sound stupi but please answer on this questions. ** Say thanks by clicking the "Thumb up" English Open Menu English Deutsch Español Français Português 中文 한국어 † The opinions expressed above are the personal opinions of the authors, not of HP. First Time Here?

I replaced them with two 2GB RAM chips ....one in each slot.

Information and links in this thread may no longer be available or relevant.If you have a question create a new topic by clicking here, or click on "Post new question" above However, I have 4 GB of RAM on my laptop and Windows 7 is only recognizing 2 GB. After backing up everything on a Seagate Replica external harddrive I did a clean install of Windows 7 64bit. By using this site, you accept the Terms of Use and Rules of Participation