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Repair and disassembly information for the HP EliteBook 840 G4.

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laptop not turning on but the fan is running

after turning my laptop on the fan is running for 7/8 seconds but display doesn't show anything and afrer 7/8 seconds it automatically turning off its self.

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I would recommend that you unplug the battery for about 15 minutes and if you have an an NVME or a hard drive remove it and put them back in then try to turn it on.

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Akash Ali crwdns2934231:0crwdne2934231:0
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