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06-25-2022 03:48 AM
After shutdown the computer (HP PRODESK 400 G7), the LED at the on/off switch stays on........
And something inside the computer keeps humming.........
How can I solve this ??
06-25-2022 06:43 AM
- Disconnect AC power cable
- Remove CMOS bios battery (CR2032)
- Press and hold the power button for 30 seconds
- Wait 10 minutes
- Check CMOS battery, should have 3V otherwise replace
- Connect AC power cable
- Test again
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