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05-14-2014 02:05 PM
4 beeps is usually issue with power. Make sure you are using the right adaptor too. This unit uses a 180W or a 135W adaptor. If you use a lower Wattage adaptor (that of a laptop), it will beep 4 times.
I am an HP employee... I don't speak for HP.
03-01-2015 08:46 AM
i facing this related issue. the PC which i have issue 4 beep with no display. once i removed GFX card disaply wotking, but with GFX card issue facing, i swap mother board and GFX crad., issue persists also i am useing HP adapter adapter 135W.
i have no adapter for swap.
is adapter cause this issue?