When I try to open my laptop which type is HP EliteBook 8440p, the red lamp of charge starts to blink 8 times and the device doesn't start, can anyone help in
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HP Notebook PCs - Computer beeps or a light blinks during startup | HP® Customer Support
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HP Notebook PCs - Computer beeps or a light blinks during startup | HP® Customer Support
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HP Notebook PCs - Computer beeps or a light blinks during startup | HP® Customer Support
HP Notebook PCs - Computer beeps or a light blinks during startup | HP® Customer Support
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HP Notebook PCs - Computer beeps or a light blinks during startup | HP® Customer Support
User manual HP EliteBook 8440p (English - 169 pages)
HP Notebook PCs - Computer beeps or a light blinks during startup | HP® Customer Support
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