Battery fully charged, can't power on
HI, I have a Sony Vaio laptop ans as of 2 days ago, I can't power on when on battery even though it's fully charged.
Nothing happens when pressing power button.
Can only power on when plugged in.
If I unplug power cord, laptop completely shuts down.
Keys to the Problem Battery fully charged, can't power on
Check with Sony Support, their on-line documentation, diagnostics, and ask in their forums about
any known issues.
Or check with a real computer shop (one that does in-house service on Sony
and not leeks and peeks at a Best Buy or other Big Box Stores).
Sony - Contacts
Sony - Drivers
Sony - Support
Sony - Forum
More help and information which might apply :
The battery may be worn and need to be replaced, the battey contacts could need to be cleaned (if
they can be), or there could be other hardware or software issues.
Check with a real computer shop
(one that does its own in-house servicing) or Sony's Support.
References to Vista also apply to Windows 7.
Check with System maker's Support, their on-line documentation and drivers, and their forums
(if any) for known issues.
Some maker's have issued BIOS and other updates to help with battery
Do these to clear corruption and repair/replace damaged/missing system files.
Run DiskCleanup - Start - All Programs - Accessories - System Tools - Disk Cleanup
Start - type in Search box - COMMAND find at top of list - RIGHT CLICK - RUN AS ADMIN
How to Repair Windows 7 System Files with System File Checker
Then run checkdisk (chkdsk).
How to Run Disk Check in Windows 7
Other information that might help :
Control Panel - Power Options - Power Plans - Change plan Settings - check the Advanced
Settings for drain and usage settings (this is how much to be used and not how much or how
long to charge).
Actually what causes a lot of wear on a battery is draining it too low repeatedly.
systems over-charging is not an issue.
Here are some tips to help and troubleshoot battery related issues.
Old battery? Unplug power to computer - remove battery and clean the contacts with a pencil
eraser (do not use this if your battery has thin slots - just clean the knife edges that fit into
them and be careful).
Batteries do wear out if old, or it could be a problem with the computer.
Check with the support of the system maker and many of them have on-line forums.
Newer type Litium-Ion batteries usually last longer if you do not discharge them below 30%
however on a laptop that will not extend their life that much.
Best is to use A/C adapter
I use the free version of BatteryBar to monitor my battery.
Click the Green button on the
Yellow box on right side of page to download latest stable version.
BatteryBar - Free version available
Another good program
Vista Battery Saver - Free
Problems with power usage and battery life - Mr Fixit
You might also want to check with the System Maker and any forums as many use their own
proprietary software to monitor the battery and their could be known issues with your battery.
Taking care of your laptop's battery
Battery meter: frequently asked questions
Conserving battery power
Solutions to common battery problems
How accurate is the battery meter?
Try this - make a Restore Point
How to Create a System Restore Point in Windows 7
How to Do a System Restore in Windows 7
Then Control Panel - Device Manager - Batteries - Double Click on each item - Drivers tab -
Update Drivers (which may not do anything) - then Right Click and UNINSTALL each - REBOOT
which will refresh the Driver stacks.
Problems with power usage and battery life - Mr Fixit
Hope this helps.
Rob Brown -
Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.
Running System Update Readiness Command
On running the System Update readiness Command, it will Detect & Replace Incorrect Registry data with the Correct one. Which may ultimately Solve Battery fully charged, can't power on in Windows.
- Open CMD as Administrator by Simply Right Clicking on Start button > Command Prompt (Admin).
- Now Type or Copy paste "DISM.exe /Online /Cleanup-image /Scanhealth" and hit Enter,
- Now again Type or Copy paste this "DISM.exe /Online /Cleanup-image /Restorehealth" and hit Enter.
- Close the Command Prompt Window because we are done.
Try and see if you still get the same error Battery fully charged, can't power on in your Windows.
Note: You may be prompted to enter your administrator's password when you try to execute certain system tasks!
Recommended Method to Fix the Problem: Battery fully charged, can't power on:
How to Fix Battery fully charged, can't power on with SmartPCFixer?
1. You can Download Error Fixer here. Install it on your computer. When you open it, it will perform a scan.
2. After the scan is finished, you can see the errors and problems which need to be repaired.
3. When the Fixing part is finished, your computer has been speeded up and the errors have been removed
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