When I switch on my computer, Windows XP start loading and then my Samsung Samtron 45Bn monitor's screen goes blank and the green light keeps flashing every 0.5 secs.

Try connecting the monitor to the mains instead of the UPS.
If it works OK then the problem maybe the UPS and that it is very close to the max output of the UPS.
If not then the monitor is faulty.

wide control not working samtron 45bn

turn off power.

Get a long philips screw driver and remove the base and all fixing screws. some are hidden behind blanking plates and the com off with a sharp knife and a getle lifting at the join.

After all screws are removed the lie the screen downwards and start to pull away the backing.

you should get the case apart easily.

You must be aware of the tube holding a full charge at its end. DO NOT touch this at any point. The only thing you should try to inspect is the fuse or adjustment to the focus slant contrast etc.
AndystUK

just replace the FBT FEA830 and check

EHT Problemsymptems :1.If U find R457 - 33k,R452 -1k,R458 - 10k Resisters are Burnt In Zenith 14"and15" monitors To replaced all thease resisters and LOT FSN14B016S
2.HCL HCM 482M, 580M,582M, 780M models getting FAT - FAT sound coms from LOT when u switch on the monitor It's LOT Problem . replaced it
3.Samtron Samsung Models like 45Bn, 55V,56V when u switched on the monitor Power indicator (Led )glow one time First u can check Boosting FET IRF630 bitween (SMPS O/P to LOT supply) and also replace LOT.
4.some Old Gold star anlog and LG monitors If U found 12k Resister near by LOT and also bulched 1Mfd/63V capacitor
It's LOT Problem

Replace SL605 and hey presto ..........

please trie and double check the resolution on the screen that its correct.
Also check so you dont use too much Hrz on the monitor/settings.

sounds like your video card went out simple check of this
if you have another computer that works hook it up to its computer if screen comes on it will be your video card in the comp now if the screen still doesnt work it will be the cable the pins in the end has some how bent or come loose this will require a service tech electrician to repair simple quick job

hi... there's a resolution problm with samtron45Bn with win xp.

Pl.help to fix this pblm.

yes cable problem