If you bought from Total Car Diagnostics - then you only need to install. After install, go to to test it's working ok. — If you bought ELM327 cable from elsewhere (clones, eBay, other manufacturers) then install all Driver Packs below, because they cover widest range of chip makers. • Steps to install Driver Pack 1: • If you have 64-bit Windows, double-click on: CP210xVCPInstaller_x64 • If you have 32-bit Windows, double-click on: CP210xVCPInstaller_x86 • • • That's it! Go to below to test if everything is working ok. If you bought genuine ELM327 cable from Total Car Diagnostics, then you only need to install.

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Then go straight to to test it's working ok. — If you bought ELM327 cable from elsewhere (clones, eBay, other manufacturers) then install all Driver Packs below, because they cover widest range of chip makers. • Steps to install Driver Pack 1: • If you have 64-bit Windows, double-click on: CP210xVCPInstaller_x64 • If you have 32-bit Windows, double-click on: CP210xVCPInstaller_x86 • • • • Most Important!

Steps to install Driver Pack 5: • Please FIRST move the unextracted folder to your Desktop, else below #2 step won't show 'Install' option. • Right-click on 'ser2pl' ( icon has a little gear pic in it) and choose 'Install', as per below pic: • Connect ELM327 cable to your laptop. Go to: Control Panel » System » Device Manager » Ports (COM & LPT) You will likely see a yellow mark next to 'Prolific', like this: Right-click on it » Update Driver Software • Click 'Browse my computer for driver software'. • Select 'Let me pick from a list of device drivers on my computer'.

• UNcheck ' Show compatible hardware'. • Select: Prolific driver version 3.3.2.102 • Install. The yellow triangle next to 'Prolific.' Should be gone. Go to below to test if everything is working ok.

Step 2: Expand 'Other Devices' and 'Ports (COM & LPT)' Notice any device with any one of the following names: • FT232R USB UART • Prolific USB-to-Serial. Gopal Sahastranaam Stotram Mp3. • USB Serial Port • USB2.0-Serial • Silicon Labs CP210x USB to UART Bridge NONE of above devices should have a yellow mark ( ) next to them. If none of the above has a yellow mark, then congratulations! You're ready to begin scanning your car(s). If any one of above devices has a yellow mark, then: • Right-click on that device » Uninstall • Unplug cable • Restart PC • Download and unextract • Double-click on 'InstallUSB' to install • Connect cable to laptop.

Yellow mark should now be gone. If yellow mark is STILL not gone after doing 1-6 above, then do this: a) While cable is plugged in, right-click on device with the yellow mark.

B) Click on: Update Driver Software c) Choose: Browser my computer for driver software d) Browse to and select folder where you unextracted Driver Pack 6. Make sure 'Include subfolders' is ticked ON.

E) Click on: Next f) If you get RED warning, choose: Install this driver software anyway g) After it installs successfully, another yellow mark may appear under 'Other Device'. Eg: h) If g above is true, then do steps a-f for 'Unknown Device'. It may also show as 'COMx'. Even DRIVER PACK 6 didn't help? Then likely it's a 'Code 10 error' next to 'Prolific USB-to-Serial' device.