Compaq Presario CQ40-108TU was launched by HP-Compaq some times in October, 2008. We have received many enquiries regarding installation Windows XP in this machine. Installing Windows XP was not possible at all. There are quite a lot of people who are facing problems with installing Windows XP in this laptop. Here is a solution provided by the manufacturer to rectify this issue. There is no guarantee that this will work perfectly. We have not tried these steps yet. If you are trying to, it is purely at your own risk.

The manufacturer does not support use of Windows XP in any of their machines. Check here to know more about Issues in HP-Compaq machines when installing/downgrading to Windows XP
You would require drivers for Windows also for the laptop. Check here to Download drivers for Compaq Presario CQ40-108TU laptop. Kindly check below for more information regarding installing Windows.

Step 1:-- Enabling Audio:
You need to flash the BIOS to F.11C as given below :
**Copy the all the files from BIOS folder to a DOS bootable Thumb drive
**Boot the notebook via dos bootable thumb drive (press F9 to select Flash drive boot)
**At the DOS command prompt , i.e, C:\ type Flash.bat and shutdown the notebook after completing the BIOS flashing. (this may take 25 to 30 seconds)

Step 2:-- Installing O.S :

Suggested : WinXP SP3 Bootable Disc with ACHI driver ready O.S image (can be done using nlite)
Note :-- u needn't have any Floppy drive under this process

Step 3:-- Installing Drivers : (Install from the Drivers DVD - already given)

The above 3steps completes the Entire Installation process.

Please feel free to contact us in case you face any problems.

Our contact details:

Zyxware Technologies
3/118, Kesavadasapuram,
Pattom P.O,
Trivandrum - 695004

Phone: 0471 4063818
Mobile: 09446069446

Email: info@zyxware.com
Website: www.zyxware.com

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