Download 19 Jan 2012 I keep getting this message. Device driver may be corrupt or missing ( code39 ). I' m useing Windows 7 home. How can I fix this problem. 19 Oct 2010 After Win 7 updates, DVD RW AD-7701H driver corrupt in registry.
Exact Problem
Using Compaq Presario CQ40-627TU Notebook PC. Notebook cannot detect my Optical Device. Can be ejected without problem but cannot be detected by Computer. Only harddisk partition and USB storage, if connected, are shown in Computer. Device Manager and BIOS detected it as 'hp DVD RW AD-7561S ATA Device'. This problem exist from the first time I use this notebook.
Effort Made
Update Windows 7 Ultimate 32-bit from basic update to any critical update available (all Windows update had been applied). Last updated was on 22/03/2010 11:41PM +8.00GMT Kuala Lumpur. Download all Compact Software and Driver from Compaq Presario CQ40-627TU Notebook PC page on www.compaq.com but still cannot be solved after running Health Analysis from HP Support Assistant. Had use any applicable Driver Scanner software but still cannot be solved. Had been cleaned up by TuneUp Utilities from http://www.tune-up.com/ and HP TuneUp from HP Support Assistant but still no changes. Had update the driver manually and automatically from the system and the internet but still no use.
Description
This unit or notebook has not functioned properly since the first use (Optical Drive only). Had been send to the nearest computer services for re-cabling and services but still no changes. Here are the information from the Devices Manager after all effort had been made.
hp DVD RW AD-7561S ATA Device Property
Device Type : DVD/CD ROM drives
Manufacturer : (Standard CD-ROM drives)
Location : Location 0 (Channel 4, Target 0, Lun 0)
Device Status : Windows cannot load the device driver for this hardware. The driver may be corrupted or missing. (Code 39)
Hi,
Hp External Dvd Rw Drive Drivers
·Which version of operating system is running on your computer?
I would suggest you to uninstall the device driver from the device manager and install it.
a.Press windows logo+R
Hp Dvd Rw Ad-7701h Driver Download
b.Type devmgmt.msc in run box and hit Enter.
Hp Dvd-rw Ad-7701h Driver
c.In device manager, right click on the device.
d.Click uninstall.
e.Restart the computer.
Free Dvd Cd Rw Drivers
f.Once the computer is restarted, it will automatically install the drivers. If not, update the drivers from the following link:
Hp Dvd Rw Ad 7701h Ata Device Driver Download
“Software & Driver Downloads - HP G72-b66US Notebook PC”: http://h10025.www1.hp.com/ewfrf/wc/softwareCategory?os=4062&lc=en&cc=us&dlc=en&sw_lang=&product=4308570#N427