Dell inspiron 1000 lcd screen problems

Question

when i boot into xp my screen randomly will turn black i can barely see image cant move lcd to adjust or it goes black. if i boot to a live cd linux or a boot up cd i dont have the lcd problem. problems i know about.low battery need battery wont hold charge. power cord seems to be flaky. only in xp sometimes system will not get a good connection with cord. ok with bootup cd. looked all over internet and ebay for a service manual for the 1000 but can not find. thanks for your help