Use power saver profile with HDD spundown after 1min. KS526AA 12-cell 96Whr will double battery life.Turn down LCD brightness to lowest+3 notches. SSD+HDD: swap the optical drive with a US$20 Fenvi 12.7mm sata caddy to host a SSD or additional HDD.Aftermarket 112Whr unit extending that further. LED backlit LCD: improves battery life and increases brightness.Would require a DV3 LCD cable, LED inverter and LED-backlit LCD. LED-backlit LCDs tend to be thinner so would need padding to provide a gapless bezel fit. bluetooth: just attach an ebay CQ45/DV4 BT module to the connector labelled BT.DIY ViDock: x2 1.0 GTX470/HD5750 equipped CQ41 via mPCIe slots for much faster gaming graphics.backlit keyboard: mod a DV3 backlit keyboard to fit by moving screw posts OR fit the top part of the DV3 keyboard onto a CQ41 keyboard base.Solder connector to KB BKLT pads and connect backlight ribbon cable. Switchable graphics? - cannot be enabled via a bios mod, as the multiplexer chip has not been added to the board. Physical inspection finding the other connectors below are missing, with just solderable pads to add them on the CQ41 590329-001 systemboard. Appears the connectors are on the DV4-2000 590349-001 systemboard.ĬQ41 uses a Compal LA-4107P systemboard.
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