All Questions
8
questions
0
votes
0
answers
330
views
Why does this ThinkPad T440s intermittently refuse to power on?
I press the power button on my ~2015 ThinkPad T440s and there is no effect whatsoever. The problem occurs regardless of whether the A/C adapter is connected and whether the removable battery is ...
0
votes
1
answer
2k
views
Slow Wattage of Thinkpad T480 Charger
Here are the problems I have with my T480:
The "Slow Charger" warning appears in Windows. I tested several chargers on Windows and Linux that support at least 65W, but Lenovo Vantage and ...
- 1
1
vote
3
answers
337
views
Battery hiding A/C input? Laptop on battery either not charging OR runs on power without battery (tp x230)
I have an eld Thinkpad x230 running linux/windows dual boot as a kitchen computer and it has been working fine for a good while. Sometimes I take it with me as a small computer and battery would hold ...
- 1,938
1
vote
8
answers
117k
views
"0190: Critical low-battery error" on Lenovo Thinkpad T540p
When powering on, a refurbished Lenovo Thinkpad T540p (which worked for a few months without any problems) shows "0190: Critical low-battery error".
Although the Thinkpad splash screen says to press ...
- 1,976
0
votes
1
answer
118
views
Thinkpad's battery charges too slowly
This issue started happening not so long ago. It takes too long to charge my T420 battery now. ACPI even says 90 hours, or 50 hours remaining to fully charge etc, then the AC disconnects and ...
- 103
2
votes
1
answer
267
views
Thinkpad X32 can't start on only battery
I've got a ThinkPad X32 that won't launch from just the battery, but will work if the AC adapter (or second battery from dock) is present; After launching the laptop, i can remove the external power ...
- 71
4
votes
5
answers
8k
views
Lenovo X1 Carbon suddenly slows when AC is attached
To avoid anyone losing time reading this all, the solution that worked twice is: Restore your PC using "System Restore" to a point in time prior to when you started experiencing this problem
Today I ...
12
votes
6
answers
39k
views
Can you plug-in the battery while laptop is on AC only?
I'm using my laptop at home with battery removed and only connected to the AC power. However I'm lacking the mobility as my power cord is kinda short. Is it safe from electrical point of view to plug ...
- 1,709