WNVN PA5185U-1BRS Replacement Battery for Toshiba Satellite C50 C55 C55D C55T L55 L55D L55T C55-b C55-b5299 C55-B5202 C55-B5300 C55D-B5310 C55D C55T L55 L55D L55T Series PA5186U-1BRS PA5184U-1BRS

point tech bringing you another do-it-yourself computer video today today we're going to be addressing the issue maybe you have a CMOS checksum error on startup or maybe you're coming to this video from the last video where you did a BIOS reset and now this is the next step in the BIOS reset process either way a CMOS checksum error occurs during your startup it could mean that either you've done a BIOS reset or it could mean that your system has been restored to its default factory settings this can be caused by your CMOS battery being bad or depleted which can by default cause a BIOS reset the CMOS battery is what supplies power to your motherboard even when your computers off so that may be why this is happening or it can be also caused by a BIOS update order or some other sudden power loss it's usually an easy problem to fix so I'll show you how to set or adjust your settings so this