Dell Latitude 5491 Service Manual

Also see for Inspiron 5491: Service manual Setup and specifications guide Setup and specifications Setup and specifications guide Installation guide

Contents

Dell Latitude 5491 Service Manual Manual pdf 9 page image

Figure 1. Notch differenceIncreased thicknessDDR4 modules are slightly thicker than DDR3, to accommodate more signal layers.Figure 2. Thickness differenceCurved edgeDDR4 modules feature a curved edge to help with insertion and alleviate stress on the PCB during memory installation.Figure 3. Curved edgeMemory ErrorsMemory errors on the system display the new ON-FLASH-FLASH or ON-FLASH-ON failure code. If all memory fails, the LCD does notturn on. Troubleshoot for possible memory failure by trying known good memory modules in the memory connectors on the bottom of thesystem or under the keyboard, as in some portable systems.HDMI 1.4This topic explains the HDMI 1.4 and its features along with the advantages.HDMI (High-Definition Multimedia Interface) is an industry-supported, uncompressed, all-digital audio/video interface. HDMI provides aninterface between any compatible digital audio/video source, such as a DVD player, or A/V receiver and a compatible digital audio and/orvideo monitor, such as a digital TV (DTV). The intended applications for HDMI TVs, and DVD players. The primary advantage is cablereduction and content protection provisions. HDMI supports standard, enhanced, or high-definition video, plus multichannel digital audio ona single cable.NOTE: The HDMI 1.4 will provide 5.1 channel audio support.Technology and components 9