PnP BIOs extension error

  mikemike2004 12:36 11 Apr 2007
Locked

Dear all,

Today, my PC just blue screened on me and I found out that there's an error with PnP BIOs extension (code 39). I tried reinstalling the driver but it wouldn't install properly, keep on saying there's an invalid INF file. I tried turning PnP OS on i nthe BIOs setup but no change.

Please help!!

Regards,

Mike

  johndrew 15:48 11 Apr 2007

Have you checked your DVD/CD drive for a disk? If there is one in it it may prevent you from booting. Same applies to floppy drive or similar peripherals.

Failing that you could check for bad connections (power and data) to any drives or disconnect them completely.

BEFORE you open the PC ensure all power is OFF and the mains plug is out. Touch the chassis of the PC befor any components to ensure you and the PC are common in any voltage.

  skidzy 20:21 11 Apr 2007

Ive never seen a code 39 related to the bios settings,however code 39 does relate to your cd/dvd drive.

Try the below and follow it to the letter.

Is the drive listed in My Computer.

If it is listed,the text below does NOT apply.

The below is for xp and untested at this time on Vista.

Missing cd/dvd drives can be normally associated with the removal of burning software such as Nero/Roxio/Sonic/Easy CD Creator etc.
And not showing the drive in My Computer.


Try the below link ,if still no luck follow the Procedure of removing the upper and lower filters.


click here


If no joy with the above fix,try the Microsoft Guided Help

click here scroll down to the Guided help download and follow the instructions.

If still no joy,follow the manual fix below.

If you have further any error codes,please post them.


Restore Missing CD/Dvd Drives

Missing cd/dvd drive
If it is showing an error code:
Code 19, Code 31, Code 32, Code 39, or Code 41
, delete the drive.

Then follow these directions for clearing the Upper/Lower Filters: (might want to print this out)

1. Click on Start --> Run --> and type in 'regedit' followed by the enter key
2. Expand the "HKEY_LOCAL_MACHINE" key (looks like a folder) by double clicking it (or
3. clicking the "+" next to it.)
4. Expand the "SYSTEM" Key
5. Expand the "CurrentControlSet" Key
6. Expand the "Control" Key
7. Expand the "Class" Key
8. Please look for a key containing the following string of letter and numbers:
{4D36E965-E325-11CE-BFC1-08002BE10318}
9. High light this key by left clicking once on it
10. On the right hand side you are looking for "UpperFilters" and "LowerFilters" under the "Name" column, once you find these please delete them by right clicking on them and choosing "delete"
11. Please exit the registry by clicking on the "X" in the top right hand corner of the screen

Reboot your computer

.If in any doubt editing the registry,please create a System Restore point first and also backup your registry....The guidedhelp from Microsoft on backing up the registry is a good lesson for anyone to learn. click here


Creating a System Restore point:

Start/All Programs/Accessories/System Tools/System Restore…follow the prompts.

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