1. Introduction
This manual provides essential information for the installation, operation, and maintenance of your HP Envy Phoenix 850 860 IPM99-VK motherboard. This product is a tested and fully functional mainboard designed for specific HP Envy Phoenix desktop systems. Please read this manual carefully before proceeding with any installation or troubleshooting steps.
2. Specifications
The following table details the key specifications of the IPM99-VK motherboard:
| Feature | Specification |
|---|---|
| Part Number | IPM99-VK 793186-001 793186-601 |
| Model Number | 850 860 |
| Compatible Brand | HP |
| Memory Type | DDR4 |
| Memory Size | Integrated |
| Graphics Card Type | Integrated |
| GPU Model | others |
| Chipset | Other |
| With CPU | No |
| Onboard Memory | No |
| Onboard SSD | No |
| Battery Included | No |
| High-concerned chemical | None |
| Support Screen Size | Other |
| Origin | Mainland China |
3. Setup and Installation
Installing a motherboard requires professional technical knowledge. It is highly recommended that installation be performed by a qualified computer repair technician. Improper installation can lead to damage to the motherboard or other components, which may void the warranty.
3.1 Pre-Installation Checks
- Verify Motherboard Model: Before starting, ensure that the IPM99-VK motherboard is the correct model for your HP Envy Phoenix 850 or 860 system. Compare the physical appearance and part numbers with your original motherboard.
- Inspect Package: Upon receiving the product, carefully inspect the package for any signs of damage. If the package is damaged, take photographs before opening and document the condition.
- Inspect Motherboard: After unpacking, visually inspect the motherboard for any physical damage, bent pins, or missing components.
3.2 Installation Steps (Professional Recommended)
While professional installation is advised, the general steps involve:
- Prepare the System: Disconnect power, remove the side panel of your computer case, and discharge any static electricity.
- Remove Old Motherboard: Carefully disconnect all cables, expansion cards, CPU, and RAM from the old motherboard. Remove the mounting screws and lift the old motherboard out.
- Install CPU and Cooler: Install your compatible CPU into the socket (LGA 2011, based on X99 chipset compatibility) and secure the CPU cooler.
- Install RAM: Insert DDR4 memory modules into the appropriate DIMM slots.
- Mount New Motherboard: Place the IPM99-VK motherboard into the case, aligning it with the standoffs. Secure it with mounting screws.
- Connect Components: Reconnect all power cables (24-pin ATX, 8-pin CPU), SATA data and power cables, front panel connectors, USB headers, audio headers, and any expansion cards (e.g., graphics card).
- Initial Power On: Before closing the case, perform a test boot to ensure all components are recognized and the system powers on correctly.




4. Operating Guidelines
Once the motherboard is correctly installed and all components are connected, the system should power on. The operating system will typically detect the new hardware. Ensure all necessary drivers for the chipset, integrated graphics (if applicable), and other onboard devices are installed for optimal performance. Refer to your operating system's documentation or HP's support website for driver downloads specific to the Envy Phoenix 850/860 series.
5. Maintenance
Proper maintenance can extend the lifespan of your motherboard and system:
- Dust Removal: Regularly clean dust from inside your computer case, especially from heatsinks and fans, using compressed air. Ensure the system is powered off and unplugged before cleaning.
- Temperature Monitoring: Monitor system temperatures to prevent overheating, which can degrade component performance and lifespan.
- BIOS/UEFI Updates: Periodically check HP's support website for BIOS/UEFI updates. Only update if necessary and follow the instructions precisely to avoid bricking the motherboard.
- Physical Handling: Always handle the motherboard by its edges to avoid touching sensitive components or static discharge.
6. Troubleshooting
If you encounter issues with your motherboard, consider the following troubleshooting steps:
- No Power/No Display: Double-check all power connections (24-pin ATX, 8-pin CPU, graphics card PCIe power). Ensure RAM modules are seated correctly. Try booting with minimal components (CPU, one RAM stick, graphics card if no integrated graphics).
- System Instability/Crashes: This could be due to incompatible or faulty RAM, an unstable CPU overclock, or overheating. Check component compatibility and temperatures.
- Component Not Detected: Verify that the component (e.g., hard drive, expansion card) is properly connected and seated. Check BIOS/UEFI settings to ensure it's enabled. Install the latest drivers.
- Compatibility Issues: If you are unsure about the compatibility of the motherboard with your existing system components, or if you suspect the motherboard itself might be different from your original, please contact customer service with pictures of your motherboard and computer information for confirmation.
- Damaged Motherboard: If the motherboard is found to be defective upon arrival or during the warranty period, you may be eligible for a replacement or refund.
7. User Tips
- Always ensure your replacement motherboard matches the exact model and part number of your original to guarantee compatibility with your system's CPU, RAM, and other components.
- When installing or handling the motherboard, wear an anti-static wrist strap to prevent electrostatic discharge (ESD) damage.
- Keep your system's drivers updated by regularly checking the official HP support website for your specific Envy Phoenix model.
8. Warranty and Support
This motherboard is guaranteed to be 100% functional and in good condition before shipment. A warranty period of 30 days is provided from the date of purchase.
- Defective Product: If the motherboard is found to be defective within the warranty period, you may choose to replace the product or return it for a full refund.
- Improper Installation: Please note that warranty service will not be provided if the motherboard is damaged due to improper installation by a non-professional.
- Incorrect Purchase: If the wrong product is purchased by the buyer, all associated shipping costs for return or exchange will be the buyer's responsibility.
- Customer Service: For any questions or concerns regarding your motherboard, or if you require assistance with installation or troubleshooting, please contact customer service.





