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Flat ribbon cable with connectors for Dell Precision 7510 7520 power button board

DELL

DELL Precision 7510 7520 Power Button Cable 890R6

SKU CH-BNVF-NEGF8

Genuine Dell OEM replacement cable connecting the power button board on Precision 7510 and 7520 laptops

  • Genuine Dell OEM part ensures exact fit
  • Connects the power button board for reliable startup
  • Compatible with Precision 7510 and 7520 models
  • Cable-only design matches original Dell specification
  • Part number 890R6 confirms correct replacement component

Genuine Dell OEM replacement cable

This genuine Dell OEM cable connects the power button board on Precision 7510 and 7520 laptops. Part number 890R6 matches the original component exactly. The cable is sold individually without additional hardware or boards.

Passive ribbon cable requires no power

As a passive ribbon cable it draws no power and produces no heat or noise during operation. Installation simply routes the flexible flat cable between the power button board and mainboard. No active cooling or external supply is involved.

Fits only Precision 7510 and 7520 models

Compatibility is limited to the Precision 15 7510 and Precision 7520 chassis; other Dell 15 inch models use different cable routing and connectors. Buyers repairing a different series will need the correct part for that platform.

How it compares

Measured against everything we stock in Cable Locks & Laptop Extras, at today’s prices. Recalculated every night.

Price $4.99
Cheaper than about 90% of the 8,241 comparable items (median $16.99).

Specifications

Product
Brand nameDell

Questions about this item

How do I route the 890R6 cable inside the Precision 7510 chassis without pinching it near the hinge?

Open the base, follow the original cable path along the fan shroud, tuck the flat ribbon under the retention clips, and avoid folding it across the hinge bracket where repeated lid movement stresses the conductors.

When should I replace the power button cable on my Precision 7520 if the button starts feeling intermittent?

Replace the 890R6 cable when the power button requires multiple presses or works only at certain lid angles, as the internal conductors fatigue from repeated flexing during daily open and close cycles.

What is the first failure mode of the 890R6 cable under heavy daily use of the Precision 7510?

The fine conductors inside the ribbon fracture near the hinge flex point first, causing the power button to register sporadically or not at all until the cable is replaced.

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