Replace Motherboard for OMEN by HP Obelisk 875-1000, 875-0xx, 870-xxx Desktop PC | HP OMEN | HP


Before you begin: Remove the access panel, system memory, M.2 solid state drive, graphics card, wireless LAN module, system fan, heat sink, and CPU. Removal: Disconnect the following from the motherboard: 4-pin power connector rear system fan connector audio connector 24-pin power connector hard drive SATA connector front I/O USB connector lighting control module connector power switch connector power LED connector NOTE: The power switch connector and the power LED connector have a positive and negative side. A + and – symbol are silkscreened on the motherboard to help identify how the connectors should be inserted. the red cable (positive) should always be closest to the CPU. Restore the CMOS factory settings first, before replacing the system motherboard. To do so: Remove the battery from the motherboard. Wait thirty seconds. Replace the battery to the motherboard. CMOS factory settings are now reset. NOTE: You will now need to enter system BIOS, and reset the clock in BIOS, after this procedure. Remove the eight P1 Philips-head screws that secure the motherboard to the side chassis. Partially lift the front of the motherboard upwards. Partially lift the edge at the top side of the unit to release the connectors from the rear I/O panel. At the front of the motherboard, grasp either side and gently pull backwards. Lift out and remove. Replacement: Grasp the motherboard on either side and toe the rear I/O connectors into the rear I/O panel until the motherboard sits snugly in place. Replace eight P1 Philips-head screws that secure the motherboard to the side chassis. Reconnect all of the connectors to the motherboard.

7 thoughts on “Replace Motherboard for OMEN by HP Obelisk 875-1000, 875-0xx, 870-xxx Desktop PC | HP OMEN | HP

  1. Hi can i use omen 870(which use odense2 h170 mobo) case with nomal pc parts? As I see 870’s case I guess it may support m-atx case and atx power and can support long gpu.

  2. What kind of mother board is in
    Hp omen – 6370810
    Im planning to buy it tommorow if I can get some more info on if the mothetboard is decent or not

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