Check the listing for details. Pre Programmed VIZIO E321vl 3632-1512-0150 U18 EEPROM Only. Condition: New. Listed at 6.99 USD. VIZIO E321VL E320VL 3632-1512-0150 3632-1122-0150, 3632-1162-0150, , 3632-1622-0150, 3632-1732-0150, 3632-1792-0150, 3632-1802-0150 U18 EEPROM IMPORTANT:These main boards can have multiple failures, in addition to the EEPROM.If EEPROM replacement does not repair your board, there are likely additional problems.Symptoms EEPROM replacement CAN fix:- Display is frozen on VIZIO logo screen*- TV won't power on with remote/buttons when plugged-in (VIZIO is lit in orange, but won't turn to white)- TV turns on when first plugged-in, but it won't turn back on after 30 minutes of being off- TV shuts off and goes back to standby mode (orange VIZIO lit) after you turn it onSymptoms EEPROM replacement CAN NOT Fix:- TV turns on but has NO backlight- TV turns on AND backlights are on, but has no video display at all- HDMI issues- Audio issues NO RETURNS ACCEPTED There are NO RETURNS on eeproms all sales are final. Please consider and make your choice wisely before purchasing- or contact us if you have any questions.All of our eeproms are tested and verified before packing. (Note that some eeproms may show signs of some solder)