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Which Of The Following Is The Safest First Action Before Replacing Or Upgrading Internal Hardware?
A.
Disconnect power source
✓
✗
B.
Open all browser tabs
✓
✗
C.
Restart printer
✓
✗
D.
Change wallpaper
✓
✗
Power should be disconnected before handling internal hardware to prevent damage or injury.
Hardware
Maintenance
Safety
Desktop Support
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