Alienware M11x power cable and battery problem

UPDATE: I got the replacement in under 24hrs and then called for a battery. The battery will arrive with a tech shortly. Original description: My battery suddenly showed drastically decreased battery life the same day I found out that my power adapter was bad (less than an hour on power save mode which is 1/5th the typical length). I replaced the “Mickey Mouse” cable and tried the cord in various outlets and the light would not even come on. A few days later, I noticed that the light was on so I quickly unpacked my notebook and connected it to it. In Windows 7, it indicated 100% charge but the indicator showed a red X and displayed a message about considering battery replacement (it could tell that my battery was failing). The external indicator on the battery itself also indicated that it was full (all LED lights lit). When unplugged, the red X would flash. When I tried to start the recording over due to an audio issue, the plug stopped working again so I called Dell. Dell is sending a replacement power adapter but they will probably owe me a new battery too. When I tried to make a follow-up video describing how it went off and would not come back on again, I witnessed it coming back on! I took the opportunity to demonstrate it blinking when unplugged. When I called Dell I had to boot on battery power for a few second to snap a pic of the service tag in the BIOS/CMOS setup because Dell replaced my lower chassis/housing and took my COA + S/N and service tag labels! Even …
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I HAVE THAT EXACT SAME PROBLEM!!!!!!!! >=O
@joebombable Since April, 2009. It’s already had the screen replaced for the infamous hinge failure so I barely used it for a few months when that problem was developing.
That sucks, how long have you had it?
@UnlicensedHitman Thanks, but I’m not so sure:
1, too new/lightly used
2, was losing 40% capacity w/each charge cycle when tested that day
3, adapter failing prob not coincidence.
If cells spontaneously failed, I expect a replacement ’cause that’s not typical usage failure. I had a similar 40% loss per cycle issue w/my AAO OEM battery last year, also<1yo.
Many devices only make a connection in the 2 GFI outlets in the kitchen & bath so I suspect bad contact.
Some of the cells in your battery died, so that’s why you are getting a half or less charge. You just need to replace the battery, then you’re good to go.