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Lucky. Sony Vaio Y Series - No Display Check RAM / Reset Bios (Remove CMOS Battery) Check Vital Voltage Rails, CPU/GPU Voltages, Bios Chip Supply... | By TM Electronics Parts and Repairs | Facebook
CMOS Battery BIOS Motherboard for SONY VAIO VPCEB3L1E - PCG-71211M Battery | eBay
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GC02000KI00 HP Dv4 CMOS Bios Battery Cr2032 (Refurbished)