0
votes
1answer
52 views

What are the negative effects of a flat CMOS battery?

Recently I have noticed that my computer has been starting up with the time and date incorrect. Given that my motherboard is about 7 years old I'm guessing that the CMOS battery is flat (or close to ...
2
votes
2answers
110 views

Can using a under powered laptop charger make my notebook shut down under heavy load?

I have a XMG P501 gaming laptop based on Clevo P150HM models at the moment connected to an under powered laptop charger. It is shutting down when under heavy load (3dmark, some games in particular) ...
0
votes
0answers
40 views

CMOS battery lifespan

How long does it take for a CMOS battery to STOP working since the first instance of a failure. For example, if a CMOS battery fails on Jan 1, but then works without problem until May 1 (four months ...
0
votes
0answers
9 views

Debugging power on issue

First off I don't know if this is the correct fora, for this kind of question. My personal Acer Aspire 5745G has an issue, namely that it usually has issues powering on. The issue is that when the ...
-1
votes
1answer
31 views

Computer doesnt charge and harddrive fail after spilling fluids

I spilled tea under my laptop (Dell 7520 15R) yesterday, water got on my rams, hard drive and battery. Computer shut down immediately. I cleaned everything, assembled it and it works fine, except that ...
1
vote
1answer
55 views

Computer won't start back up. [duplicate]

I unplugged everything from my computer a couple of days ago because I had to move it. After half an hour later I plugged everything back but my computer wouldn't start. It's a HP desktop. Here are ...
0
votes
0answers
65 views

Battery port/internal battery supply/motherboard problems in an Acer laptop?

I'm not exactly sure what one is wrong. I personally think that it's the charging port, but two different computer repair places have given me the following answers in the title. It's not my cord, ...
0
votes
0answers
103 views

Powering a pico-ITX board with a UPS board for long intervals

I'm putting together a project to make a DIY "Tablet PC" with readily-available products that I can put together and use with little soldering effort. I have the motherboard and a 10" touch screen ...
0
votes
4answers
1k views

Why is my BIOS power-on password not resetting even though my CMOS battery has been out for over an hour?

I have an old HP xw8400 workstation. I didn't remember the power-on password I had set for it. So I unplugged the computer, took out the CMOS battery, and left it out for over an hour. But the ...
2
votes
4answers
6k views

How long does CMOS battery (3V) on a motherboard last?

Just wondering usually how long does CMOS battery last on a regular motherboard? I read that motherboard leakage current of about 3 - 6 micro ampere. I did a calculation below but I believe that i ...
1
vote
1answer
132 views

Tracking a short

I was looking at a thread posted on earlier Laptop charger dying after plugging in? talking about a power issue with a laptop or the charger. I have done some testing and concluded that the short is ...
0
votes
2answers
119 views

charging light on in laptop with battery removed

I hope this is the right place for this question. I have an LG R310 laptop. Recently the adapter connector started playing up, so I got a second hand replacement adapter of the same rating. The ...
1
vote
2answers
764 views

Laptop does not charge old or new battery with Old and New AC adapters

My Sager computer has been having a strange issue with the charging. For a long time it would be working perfectly as long as I was active on it. After I'd leave idle for a while it would suddenly ...
1
vote
2answers
389 views

No boot without unplug

My PC stopped booting (including no graphics on screen). I stopped it (pressed the power button for 5 secs). It restarted and started beeping three times once. I cleaned up the RAM and it didn't beep ...