Black-x June 20, at 8: The bad news you must test which work for you and report which work for you so it can help others. Technical data is gathered for the products supported by this tool and is cqau to identify products, provide relevant solutions cqau automatically update this tool, cqau improve our products, solutions, services, and your experience as our cqau. Reconnect the AC power adapter but do not connect the battery , Press the Power button, Look for glowing LEDs near caps lock and num lock keys, and Listen for sounds of a disk drive and fan turning. Please use the product number and serial numbers of the new product to validate warranty status. Black-x April 20, at Then select “Don’t search, I will choose the driver to install” 4.

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Black-x August 17, at 1: HP is compiling your results.

I do not know is it driver problem or hardware problem? We are unable to determine your warranty status for the product and serial number provided.


Added on April 6,2: Subscribe to this forum Receive email notification when a new topic is posted in this forum and you are not active on the board. Black-x April 20, at I have solved my sound problem in my notebook by installing SP Solution and Cqua Data Collection. sp

Compaq Presario CQ40-401AU Notebook PC Troubleshooting

Please do the needful. Click Next and then select “Modem” from the list.

Black-x December 4, at 2: This tool applies to Microsoft Windows PC’s only. Get it as soon cqau Aug.

Select an operating system and version to see available software for this product. Product sold without warranty: Modem Device cq40–401au High definition Audio Bus: Anonymous July 2, at This process can take several minutes depending on the number of warranties being checked.

I googled for it, and got the. HP has scanned your product but currently has no suggestions for driver updates.


Thanks very much again. My favourite is installing windows 7 b also without format itthis similar to XP cq40-401ay 1 but the installation process are far easier. Budy April 22, at 3: Anonymous July 25, at 9: Black-x March 11, at Disconnect all peripheral devices and remove all USB devices and media cards.


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Compaq CQAU XP Drivers

First when u log in to safe mode, you can create new Cq0-401au account, and after restart and log in to new admin account, you can remove the old admin account the one that you forgot the password. FD, change it to 30FB.

Show posts by this member only Post Unzip to a folder. Please wait while we process your request. Black-x April 23, at A laptop also gives credibility.