Mainboard for FL5900U / X456UJ / R558U / X556UV / RX310U / UX310UV

Replacement main board compatible with the following laptop models: FL5900U, X456UJ, R558U, X556UV, RX310U and UX310UV. Intended as a direct motherboard swap for systems that require the original board for proper operation. Confirm your device model number matches one of the listed SKUs before ordering to ensure compatibility.