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jayo  All-Star Member  2117 Posts 7/04 |  Posted - Dec 19 2011 : 12:30PMSorry if this painfully obvious, but I just don't know. I've got two laptops. One's dead. I believe they both take the same battery (laptops are both from the same company). One possible problem with the dead laptop may be the battery. So I want to take the battery out of the working laptop, plug it into the dead laptop and see if it comes up. My question: if I take the battery out of the working laptop for very long, does it have any bad effect? I've had some electronic devices which pull a trickle current, and if you unplug the battery for very long you risk losing memory somewhere. Thoughts? [Link] |
| ninja1 Senior Member 2939 Posts 1/08 | Posted - Dec 19 2011 : 4:10PM [Link] |
| jayo All-Star Member 2117 Posts 7/04 | Posted - Dec 19 2011 : 4:35PM [Link] |
| Goldstein All-Star Member "You have sacrificed nothing and no one." 3689 Posts 8/10 | Posted - Dec 25 2011 : 7:11AM The exception to this is that, when the CMOS battery has died your main laptop battery (or keeping your desktop plugged-in) provides enough "trickle" to retain your settings -- but not for long. Once the CMOS battery is completely dead (typically a three-to-five year lifespan), you will lose your settings almost instantly when the main power AC source (or the main laptop battery if not plugged into an AC source) is removed or interrupted. Your CMOS battery is almost certainly good. Otherwise, you would have been noticing date/time issues already. Go ahead and change your laptop battery. As has been pointed out, it's no biggie if you do have to reset these things anyway. FYI, sometimes there is/was nothing wrong with your laptop battery at all. More frequently than you would think, the recharging circuit on your mother-board has failed, and, over time, your battery has died because it was no longer being charged. This is often not noticed because many people keep their laptops plugged into the AC power source at home (and seldom run their laptops on battery power alone). I recently had a "dead laptop battery" issue myself, ordered a brand-new laptop battery and then found out that my battery wasn't recognized and didn't charge due to a failed recharging circuit on the mother-board. So, in your case, I hope it turns out to be the laptop battery. If not, you have a new "desktop" computer that looks like a laptop  [Link] |
| jayo All-Star Member 2117 Posts 7/04 | Posted - Jan 17 2012 : 8:32PM I'll throw this out in case anyone wants to offer suggestions. I had a Compaq laptop that worked fine. A cup of coffee got knocked over and splashed across the keyboard. I immediately unplugged it from the wall, hit the power button, picked it up and flipped it upside down to shake fluid out of the keyboard, which obscured the video panel. The last thing I saw was Windows shutting down, but I don't know whether it really did or not. I let it dry in the sun for a day. Then tried to fire it up again. No go. When I plug it in to the wall, there's a little LED by the plug (where it goes into the laptop) that lights. But that's it. Local repair people said that when this happens, it's typically the motherboard that gets fried, and suggested I not bother trying to repair. I thought so until I was surfing the net for something else and came across people talking about onboard resets, and turning the laptop upside down while holding down power buttons and such. I tried it and got nothing, but not sure if I'm just not doing it right, or what. Any suggestions, comments? [Link] |
| ninja1 Senior Member 2939 Posts 1/08 | Posted - Jan 18 2012 : 7:24PM Did you remove the battery at any time? Did you try power-up with the battery removed and AC plugged in ? [Link] |
| jayo All-Star Member 2117 Posts 7/04 | Posted - Jan 18 2012 : 9:45PM I took the battery out after several attempts to turn it on. I did try to turn it on w/o the battery, but plugged in. Nothing. [Link] |
| ninja1 Senior Member 2939 Posts 1/08 | Posted - Jan 19 2012 : 12:30PM FWIW and it likely would make no difference, I would have immediately removed the battery after the spill (not caring about harsh Windows shutdown), and given it a good long time (several days at least) to dry out before attempting power-up. Even if the motherboad is dead, it's quite possible your HDD is undamaged and you can retrieve your data; you'd have to remove the HDD from the computer. [Link] |
| jayo All-Star Member 2117 Posts 7/04 | Posted - Jan 19 2012 : 8:15PM In retrospect, yeah--I'd have done the same thing (pop the battery ASAP). Hopefully it'll never happen again. I already had the HD backed up so I didn't lose anything of value; it's just the convenience/annoyance and expense involved with replacing the laptop. But if I could bring it back to life, it would be nice, if only to give it to someone who could use it. [Link] |
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