New DELL LATITUDE L400 C400 Reserve CMOS Battery 3E158

Replace Dell Part # 3R459, 3E158

Will Fit

 Dell Latitude Series -- C400, D500, D505, D510, D600, L400

 Dell Inspiron Series-- 500m, 510m, 600m, 610m, XPS M140, 2100, 2800

Gurantee Not Dead On Arrival

 Always got wrong date and error message when you turn on your laptop?

Get the error message "Strike the F1 key to continue or press F2 to enter the setup utility" when you boot up your Dell laptop?

Even the Windows XP can't be loaded correctly??
(Windows XP can't be loaded correctly when the Date setting is no sense,
this could happen when the CMOS battery voltage is low).

Then it is time to change your CMOS RTC coin battery! Every laptop has a small coin cell battery to power the BIOS chip to keep the date, and other internal settings effective. Without these cmos batteries or a dead cmos battery these internal setting will not function.

CMOS RTC battery should be replaced every few years (typically 3-4 yrs).

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