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Nicholas Ouimet编辑

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步骤行

[* black] The D620 should look like this.
[* black] Before we continue, disconnect/remove the following.
[* black] Hard drive
[* black] DVD drive
-[* black] Disconnect the CMOS battery that helps the laptop remember time.
+[* black] Disconnect the CMOS battery. You will have to re-enter the time and date, as this battery is what keeps the clock ticking even with out power.

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