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×InformationHP Solution Center Adobe Flash player error
Please check this document to find the workaround solution for Print and Scan - HP Solution Center not working : Adobe Flash Player Error and Unable to scan
InformationFix Windows 10 Update IssuesResolve Windows 10 related issues for your HP computers or printers by HP Windows 10 Support Center
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Pavilion 743c won't boot
03-13-2017 03:25 PM

03-13-2017 07:18 PM

Hello
Checked HP Support for your PC but it is in retired support status.
One long beep that repeats is not very good.
Please see this HP Support site for common BIOS error codes. Could not find an exact match but a one beep pattern for PC' s made before 2010 shows Memory Timing Error or continuous beeping means serious system problem.
You have to try different components such as start with a different memory stick or try existing stick in different RAM slot.
The motherboard could be bad or the power supply could be failing.
Grzy

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