BIOS battery replacement by why! W253EU

Step 1 Battery from why! Remove W253EU




• Turn off the computer.
• Before each operation it is important to start with the removal of the accumulator.
• Take the slide unlocked into position, remove the battery.
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Step 2 Access to RAM and CPU from why! W253EU



• Using a Philips #1 screwdriver, unscrew the 5 screws securing the cover.
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Step 3
• Push the screwdriver a few millimeters under the cover so that it can be touched with your fingers.
• Now lift the cover carefully.
• Attention! Disconnect the ventillator cable so that the cover can be completely removed (see next step).
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Step 4
• Since the ventillator is mounted under the cover, its power supply cable must first be disconnected so that the cover can then be completely removed.
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Step 5 BIOS battery
• Carefully remove the BIOS battery from its holder.
• Do not throw away the battery! In Switzerland, the electrical shops are obliged to accept all batteries and accumulators for disposal.
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