The HP MS-7826 (codenamed "Kaili") is a microATX motherboard commonly found in performance-oriented HP Envy and Phoenix desktop series, such as the HP Phoenix 810 . Known for its distinctive red and black aesthetic, this board is built on the Intel Z87 chipset, making it a robust choice for users running 4th Generation Intel Core "Haswell" processors.
The physical manual for the MS-7826 is technically titled the
The board supports 4th Generation Intel Core i3, i5, and i7 processors. Because it features the Z87 chipset, it technically supports "K" series unlocked processors (like the i7-4770K). However, the HP OEM BIOS does allow CPU overclocking. Intel Core i7-4770, i7-4771, i7-4790 Intel Core i5-4430, i5-4570, i5-4670, i5-4690
Before you begin, ensure your computer is turned off and unplugged. It is also advisable to press the power button for a few seconds to discharge any residual electricity in the system.
Popular compatible CPUs: Core i7-4770, i5-4570, and i5-4430. ms-7826 motherboard manual
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: Standard HP keys (usually F10 or Esc) allow entry into the CMOS setup to manage SATA port settings and boot priority. Replacement Parts
: If the board fails, it is often listed under HP Spare Part numbers such as or 784740-001 (Ver 2.0). AI responses may include mistakes. Learn more HP ENVY 700-038d Desktop PC Product Specifications
Because this is an OEM board, MSI does NOT distribute a public manual to end users. Instead, the official documentation is embedded within , maintenance guides, and service reference guides. The HP MS-7826 (codenamed "Kaili") is a microATX
While HP does not provide a traditional, detailed PDF manual for this proprietary board, technical specifications indicate it uses the Intel Z87 chipset and features the LGA 1150 socket.
(e.g., "HP Pavilion 500-214") or the board revision (printed on the board), I can give you a direct download link to the correct manual.
The motherboard uses a legacy-leaning UEFI environment. Modern graphics cards (such as the NVIDIA RTX or AMD Radeon RX series) may cause the board to freeze on the HP splash screen. To fix this, you must flash the HP BIOS to the latest version (typically v8.xx or higher) before installing the new card.
Due to its age, most drivers (Intel Management Engine, Realtek Audio) are available via Windows 10/11 updates, or on the HP Support website by searching for the original HP Envy 700 model. Summary Because it features the Z87 chipset, it technically
Crucial Tip: If you plan to install a "Haswell Refresh" CPU (such as the i7-4790), ensure you update the HP BIOS to the latest available version before swapping the processor, or the board will fail to POST. 🧠 Memory (RAM) Configuration Rules
Located near the CPU socket. Features PWM speed control.
4 DDR3 DIMM slots supporting up to 32GB of non-ECC memory (1333MHz or 1600MHz). Expansion Slots: 1 PCI Express x16 (Gen 3.0). 3 PCI Express x1 (Gen 2.0). 1 half-length mini card slot (typically for Wi-Fi). Key Connectors & Layout
Before we dive into the manual, let's take a look at some of the key features of the MS-7826 motherboard: