Sceptre x9g - Naga ii monitor dosen't power up. power indicator lamp not illuminated. screen flashes lightly at 2 second intervals.and continues to flash several more times after being unpluged.

SOURCE: X20G Fails To Power Up - Soloution Found

My monitor (SN517A1108SC1246) has same power on problem issue. This particular monitor was 'repaired' three times by Sceptre all within 4 months starting when 11 months old. The problem seems to occur when the monitor looses AC power completely so I've got mine on an UPS. The "reset" fix by MikeCharlie does work to get it back working. Key is timing, plugging in the power cord then monitor cable just after LED blinks. Tricky but can be done.

I do have another Sceptre X20 (SN505A1108SC2638) on same computer that although a year older, has not had any problems!

SOURCE: X20G-Naga III screen goes blank after 1-2 secs

most common lcd monitor break down, check all electrolytic capacitors for leakage and loose board solder specially on the ccfl inverter section.

SOURCE: Sceptre x9g naga v

May i know the exact detailed model/maker of your unit...?

SOURCE: Sceptre X9G Komodo IV

I have a 19" Sceptre Comodo display. After 3 years it got the problem everybody complains about. Took it apart yesterday.

There are 4 capacitors in a row on the power supply board (it has a socket for the power cord and is covered by a metal shield. The caps are barrel-like things standing upright on the side opposite to the power cord socket.) Two of them are 470 uFx 25 V, they are next to each other. In my case, one of them popped up and another one was bloated. I pulled out the power supply board (make sure you unplug the power cord and press the power button do discharge the high voltage caps before messing with your monitor) after disconnecting all sockets (mark'em!). I assume that you have new caps handy (I paid $2.10 for a pair at a local electronics store), they must have the same capacity and voltage rating. Now grab a soldering iron, remove old caps, and put new ones in. You must observe polarity! (Usually "minus" pin is labeled on the cap's side. Mark down "minus" and "plus" pins location of old caps and put the new caps in exactly the same way! Otherwise, you can blow the caps.) If you are not used to work with a soldering iron, hire somebody or buy a new monitor. Check the quality of the work (no shorts, solid contacts, etc), assemble the monitor back and may be it will work (did for me). If it does, you put one monitor less into the city dumpster, be proud to get a working monitor for less than $5, and force you mother-in-law to take this shiny new replacement display she just bought back to the store.

Of course I do not guarantee that my procedure will work for and you can use it at your own risk only (i.e. I am not liable for any damages).

SOURCE: sceptre x9g naga V

1000uf 16 VOLT