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&gt;&gt; &nbsp;when i plug in memory to slot b &nbsp; &nbsp;&lt;&lt; &nbsp; is this the same ram as in slot A ? mixing ram often does not work.<br />
and test both in each slot...
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>>  when i plug in memory to slot b    <<   is this the same ram as in slot A ? mixing ram often does not work.
and test both in each slot...

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Just a thought, but I've corrected quite a few Dell laptop battery, docking station, etc. issues by updating the BIOS. If you do this, just make sure that you download the CORRECT version for your system make and model. 
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Just a thought, but I've corrected quite a few Dell laptop battery, docking station, etc. issues by updating the BIOS. If you do this, just make sure that you download the CORRECT version for your system make and model.

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i have a dell inspiron 1525 that will work on mains power but when i plug battery in charger trips out and switches to battery and will not charge the battery also the laptop will only boot on one stick of memory when i plug in memory to slot b laptop fails to boot
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i have a dell inspiron 1525 that will work on mains power but when i plug battery in charger trips out and switches to battery and will not charge the battery also the laptop will only boot on one stick of memory when i plug in memory to slot b laptop fails to boot

dell inspiron 1525

A laptop or notebook is a portable personal computer with a clamshell form factor, suitable for mobile use. Although originally there was a distinction between laptops and notebooks, the former being bigger and heavier than the latter, there is often no longer any difference. Laptops are commonly used in a variety of settings, such as at work, in education, and for personal multimedia. A laptop combines the components, inputs, outputs and capabilities of a desktop computer, including the display screen, speakers, a keyboard, and pointing devices (such as a touchpad or trackpad) into a single unit. The device can be powered either from a rechargeable battery or by mains electricity from an AC adapter.