Dell laptop power supply is rather special, the outer wall of the interface is negative, the inner wall of the positive electrode, the middle there is a small needle, the needle directly connected to the internal power supply DELL dedicated single bus E2PROM. The adapter memory stores information such as power, voltage for the chip identification access. If the chip is damaged, DELL BIOS will prompt the AC Power Adapter type can not be determind this will prevent optimal system performance and other information mostly use lower CPU frequency and the battery can not be charged.
Shipping & Warranty
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Buyer assumes all risk of loss or damages in shipping, whether direct or indirect.
Before shipping out goods, all item are visual inspected. Our Quality Control System applied to all orders is aimed at increasing customer satisfaction. However, buyer assumes all risk of loss or damages in shipping, whether direct or indirect., as this is totally beyond our control. All Item in store, look exactly as represented in the pictures (Real Photo Taken). The clear pictures allow any person inspect the quality of our Item.
Seller shall have no obligation if the product is altered or improper repaired or service by anyone other than Seller, or in the event the product has been improperly installed, improperly used, abused, altered, damaged, subjected to accident, flood, fire, or on which any serial numbers/warranty sticker have been altered, defaced, removed.
For warranty service, please return products and transportation are charged to Buyers.