HP Pavilion dv4 Entertainment PC - Maintenance and Service Guide
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...an external power source, the light stays off when all batteries in the SmartBay. Receives a signal from the HP Remote Control (select models only). Front components Component (1) Power light (2) Battery light (3) Drive light (4) Consumer infrared lens (5) Audio-in (microphone) jack (6) Audio-out (headphone) jacks (2) Description ... battery level or a critical battery level. ● Off: If the computer is being accessed. ● On: HP ProtectSmart Hard Drive Protection has temporarily parked the internal hard drive, and if present, the hard drive in the computer are fully charged.
...an external power source, the light stays off when all batteries in the SmartBay. Receives a signal from the HP Remote Control (select models only). Front components Component (1) Power light (2) Battery light (3) Drive light (4) Consumer infrared lens (5) Audio-in (microphone) jack (6) Audio-out (headphone) jacks (2) Description ... battery level or a critical battery level. ● Off: If the computer is being accessed. ● On: HP ProtectSmart Hard Drive Protection has temporarily parked the internal hard drive, and if present, the hard drive in the computer are fully charged.