I have a Sony vaio touchscreen laptop .. I think battery was down yesterday night and I switched it off without charging . Today I connected to power source to charge it but it's not working . My laptop is not turning on and even LED lights are not turning on when connected to power source . What shall I do ?
1. Unplug your charger cord.
2. Remove the battery.
3. Press and hold the "Power" button for 30 seconds.
4. Now plug back in the power/charger cord.
5. Now put the battery back in.
If this doesn't help, then test the power cord to see if it is good. Either try your cord in another device, or try another devices cord in your laptop. You may also want to try charging it when the device is off, rather than on. If it works then, the cord is probably the issue.
Should that not be the problem, then check the battery to see if it needs replacing.