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Make and model would be nice.
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Watch this how to video<br />
H264 DVR Account Reset<br />
<a href="https://www.youtube.com/watch?v=7U7jYmYDiCk" rel="ugc">https://www.youtube.com/watch?v=7U7jYmYDiCk</a><br />
Password trouble H.264 Network DVR<br />
<a href="https://www.youtube.com/watch?v=utojpU_j7qA" rel="ugc">https://www.youtube.com/watch?v=utojpU_j7qA</a>
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Watch this how to video
H264 DVR Account Reset
https://www.youtube.com/watch?v=7U7jYmYDiCk [https://www.youtube.com/watch?v=7U7jYmYDiCk]
Password trouble H.264 Network DVR
https://www.youtube.com/watch?v=utojpU_j7qA [https://www.youtube.com/watch?v=utojpU_j7qA]

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Look like EE already quite a deep discussion track on this as default factory reset doesnt seems to work together with default password. but eventually it goes to return to vendor instead. the steps is worth looking at. <a href="https://www.experts-exchange.com/questions/28360306/H264-H-264-DVR-password-reset-embedded-linux-Security-camera-CCTV.html" rel="ugc">https://www.experts-exchange.com/questions/28360306/H264-H-264-DVR-password-reset-embedded-linux-Security-camera-CCTV.html</a>
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Look like EE already quite a deep discussion track on this as default factory reset doesnt seems to work together with default password. but eventually it goes to return to vendor instead. the steps is worth looking at. https://www.experts-exchange.com/questions/28360306/H264-H-264-DVR-password-reset-embedded-linux-Security-camera-CCTV.html [https://www.experts-exchange.com/questions/28360306/H264-H-264-DVR-password-reset-embedded-linux-Security-camera-CCTV.html]

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Could this be a multi-monitor issue? &nbsp;Unclear
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Could this be a multi-monitor issue?  Unclear

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It can be checked further to reset the account even by short circuiting <br />
<a href="https://www.experts-exchange.com/questions/28360306/H264-H-264-DVR-password-reset-embedded-linux-Security-camera-CCTV.html?anchorAnswerId=39847368#a39847368" rel="ugc">https://www.experts-exchange.com/questions/28360306/H264-H-264-DVR-password-reset-embedded-linux-Security-camera-CCTV.html?anchorAnswerId=39847368#a39847368</a>
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It can be checked further to reset the account even by short circuiting
https://www.experts-exchange.com/questions/28360306/H264-H-264-DVR-password-reset-embedded-linux-Security-camera-CCTV.html?anchorAnswerId=39847368#a39847368 [https://www.experts-exchange.com/questions/28360306/H264-H-264-DVR-password-reset-embedded-linux-Security-camera-CCTV.html?anchorAnswerId=39847368#a39847368]

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@Marcos_Cardoso<br />
How about other experts input relevance as their explanation suggested reset too? Pls share..
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@Marcos_Cardoso
How about other experts input relevance as their explanation suggested reset too? Pls share..

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This question has been inactive for 14 days.
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This question has been inactive for 14 days.

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Its connected to a monitor and it isn't connected to a computer.So How do change the pasword.
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Its connected to a monitor and it isn't connected to a computer.So How do change the pasword.

On my H.264 DVR I have forgotten password?

Operating system security (OS security) is the process of ensuring OS integrity, confidentiality and availability. OS security refers to specified steps or measures used to protect the OS from threats, viruses, worms, malware or remote hacker intrusions. OS security encompasses all preventive-control techniques, which safeguard any computer assets capable of being stolen, edited or deleted if OS security is compromised, including authentication, passwords and threats to systems and programs.

OS Security

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.