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Repair guides and troubleshooting for the HP ProBook 4440s. Featuring a 14" screen and Windows 7 operating system, the ProBook 4440s can be identified by model number C6Z33UT.

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My laptop screen not showing anything except black

First my laptop seems like a viruse in it it shows preparing to update and i left laptop for about 2 month and then i turned on it and screen is not turning ON

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So, what have your done to troubleshoot it?

Without more info, the possibilities are:

battery

HDD/SSD

Display connectors

Charging/power circuit

GPU

CPU

BIOS memory

RAM

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MANOJ KUMAR MANDAL crwdns2934231:0crwdne2934231:0
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