ATTN : Please DO study the listing page the "Product Guides and Documents" section, the "Instructions for Use (IFU) (PDF)" guide for all manual links at the end of the PDF, to use this kit correctly and easily. 【The item PACKING】 includes the paper printout with the same Complete Instruction Folder with PDFs and APP. 【Only use the tested APP in the folder】 【BOTH 64bit for Newer Androids and 32bit Manufacturer APP】 are available, passed the Android security scan checks and Google Play pending. MUST use the Android APP to display results on the screen, NO Traditional DIGITAL Display to show the POST codes, Great Ease to save hassles of diagnostic codes lookup one by one manually. Easy To Use Unique USB Diagnosis with Videos and PDF Guides. 【MUST study the Guides Before Use】 New latest smartphone technology in using the USB ports ( Standard USB / micro USB / Type C ) to diagnose the computers. 【NOT just getting the electric power but RUNNING the Diagnosis Data through USB ports】. A very powerful Essential Nice Handy computer repair tool kit for quick help on diagnosing Desktop PC, Server, Laptop, All-in-one PC, Android Smartphone / Tablet, customized built miniPC and Mac machines ... etc. A great motherboard tester diagnostic kit that provides the most accuracy and effectiveness in making the computer troubleshooting and repairs much easier. USB Diagnosis Unique Feature - Save hassles of taking the dusty PCs or laptops apart. Follow the English PDF user guides to power on and let the Android APP to work with this new test kit to auto scan the motherboard for faulty components quickly. When testing different PCs together, make sure follow the listing User Guide(PDF) to see 【Latest Updates with PRECAUTIONs and Extra Tech Tip】 to UNPLUG the USB cable between each test and restart to clear the last cached working motherboard diagnosis data. The ONBOARD USB cable is needed to plug to the Android charger, the other dedicate USB cable connects to motherboard USB port. Connect this 2 USB cable wrongly causes the unstable connectivity. All-in-one Multiports support - Different complete bus connector adapter parts included. Made of quality PCB, transistors and capacitor components. Direct pinpointing the faulty motherboard components to greatly reduce the costs yet increase the effectiveness in the computer diagnostic repairs. Videos and the PDFs instructions please see the listing "Videos" section and the "Product guides and documents" section for more details. Tested and brought to you by 29 years IT Professionals This kit works with all machines with USB ports including New Old Desktop PC and Laptop Computers, IBM compatible, Mac machines (using USB), Android devices Smartphones and Tablet PCs. Comes with Step by Step Easy Guides, videos instructions, PDF pictorial manuals with Easy Flowcharts and Latest Updates with Precautions. Great for PC Technicians, Computer Owners, Computer Class Student Learners and PC DIY Lovers, Hardware Traders, professionals and novices . Nice Essential must have to add to our computer tool boxes. This is a new set of powerful Multi Computer Diagnostic Test Card Kit that diagnose and analyze the faulty motherboard including Motherboard, CPU, Memory RAM, Video Graphic Card GPU ... etc quickly accurately. Multi Ports Support Consists of : 1 Master diagnostic card with USB + PCIe + PCI + M.2 + mSATA + LPC (T-card) + miniPCIe + EC + microUSB + Type C , all complete accessories adapters and dongle cables (OTG On-The-Go) in plastic case to work on IBM desktop PCs, Server machines, Laptops, Macs, All-in-one PC, customize built DIY tower computers, mini PCs, Android smartphones / Tablets ... and all other computer devices with USB connections. 1 New Corded Antistatic Wrist Strap Band to help discharge the static, added an extra protection. The extra unique Qiguan diagnosis method on the master diagnostic test card become extremely important and useful since the BIOS could have corrupted, not working or viruses affected. This unique method does not rely on the Bios POST. The master diagnostic card is a multi-interfaced diagnostic card. It works on new PCIe, USB ports, laptop new half-sized miniPCIe, M.2, mSATA, microUSB and TypeC, Server PCI-X connectors, and the earlier PC PCI LPC EC..etc. Works with App on Android to display the diagnostic results. The included new half-sized miniPCIe laptop diagnostic adapter saves hassles of dissembling most laptops for repair. Just need to swap the laptop network card with the test card in this kit, then power on, the test card will auto scan the laptop motherboard for the faulty hardware. We may also just use the USB alone diagnosis on the laptops. The new corded Antistatic Wrist Band Strap adds extra care to discharge the static off our hands during the motherboard repairing, removing or swapping parts. This is a nice essential handy PC laptop diagnostic cards kit for quick Desktop PC, Laptop computers and any other machines with USB ports for the hardware