; Windows USB Modem Setup File ; Copyright (c) 1998 Microsoft Corporation ; Manufacturer: Microsoft Corporation [Version] ;CatalogFile=usbcdc.cat Signature=$CHICAGO$ Class=USB Provider=%Mfg% LayoutFile=layout.inf,layout1.inf,layout2.inf [DestinationDirs] DefaultDestDir=10 EZUSBLDR.Drvrs=10,SYSTEM32\DRIVERS USB.Drvrs=10,SYSTEM32\DRIVERS USB.OverwriteDrvrs=10,SYSTEM32\DRIVERS USB.Exe=10,SYSTEM32 USB.VxD=11 USB.Inf=17, other Ptaudio.EXE=10,temp [Manufacturer] ; add PCTel %Mfg%=PCtel ;%PCtel%=PCtel ;[Uninstall] ; add PCTel ;DelReg=RemoveReg ;DelFiles=EZUSBLDR.Drvrs,USB.Drvrs,USB.Exe [PCtel] ; clone the USR section, replace your PnPID %String5%=EZUSBLDR, USB\VID_0547&PID_2131 %String5%=EZUSBLDR, USB\VID_0547&PID_2126 %String6%=PCtelUSB, USB\VID_0547&PID_1002 [EZUSBLDR] CopyFiles=EZUSBLDR.Drvrs AddReg=EZUSBLDR.AddReg ;[RemoveReg] ;HKLM,"Enum\USB\VID_PCT0001" ;HKLM,"Enum\USB\VID_0547&PID_1002" ;HKLM,"Enum\USB\VID_0547&PID_2131" ;HKLM,"%KEY_UNINST%" [EZUSBLDR.Drvrs] fwloader.sys [EZUSBLDR.AddReg] HKR,,DevLoader,0,*ntkern HKR,,NTMPDriver,,"fwloader.sys" ; your driver would replace usbser.sys here [PCtelUSB] ; clone this, make PCTel.AddReg CopyFiles=USB.Drvrs,USB.OverwriteDrvrs,USB.Exe,USB.VxD,Ptaudio.EXE,USB.Inf AddReg=PCtelUSB.AddReg [USB.Drvrs] ptserial.sys vpctcom.sys vmodem.sys [USB.OverwriteDrvrs] ccport.sys [USB.Exe] uninst.exe pctptt.exe pthsp.dat truesoft.dat [USB.VxD] wdmmdmld.vxd [USB.Inf] pctMCV.INF, MCV.INF [Ptaudio.EXE] ptaudio.exe [PCtelUSB.AddReg] ; clone this section HKR,,DevLoader,0,*ntkern HKR,,NTMPDriver,,"vmodem.sys,vpctcom.sys,ptserial.sys,ccport.sys" ; your driver would replace usbser.sys here HKR,,ChipSet,1,2 ; Force SiliconLab ID [PCtelUSB.HW] AddReg=PCtelAddReg.HW [PCtelAddReg.HW] HKR,,ChildID,2,"USB\VID_PCT0001" ; here is the ID for vitural modem devnode [PreCopySection] HKR,,NoSetupUI,,1 [Strings] Mfg="pct" String5="EZUSB Firmware Loader (fwloader.sys)" String6="PCtel HSP USB Modem" KEY_UNINST="SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\PCTUSB56" KEY_RUNONCE="SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce"Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.