nvr ds-7604ni-se/p

Hi, I have 4 NVR's same model DS-7604NI-SE/P and each one with 4 IP cameras model DS-2CD2442FWD-IW. One of the NVR's has a problem: does not allow anymore to select any other resolution than 352x288 (please check the pdf file attached, with capture screens from the bad NVR and a similar good...