Porque é que o meu portátil fica mais lento quando eu retiro o cabo de carregamento?

Solution
[tabs][tab title="Solution 1"]
>

1. >Click the Start button.
2. Type Power Options e pressione Enter.
3. Click Continue if prompted.
4. Click "Change plan settings" under the power plan that is currently selected.
5. Click "Change advanced power settings".
6. Na caixa Power Options, clique no + ao lado de "Wireless Adapter Settings" para expandi-lo.lista que aparece ao lado de "On battery", selecione "Maximum Performance".
7. >li>Click OK.

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[tab title="Solution 2 (for Toshiba Laptops)"]
Encontre os últimos drivers de placas sem fio para o seu laptop usando este link:
http://uk.computers.toshiba-europe.com/innovation/download_drivers_bios.jsp
[/tab]
[tab title="Solution 3"]

1. Click the Start Button.
2. Type “Device Manager” and press Enter.
3. Click Continue if prompted.
4. Click the [+] next to Network adapters.
5. Right Click on “Realtek RTL8191SE Wireless LAN 802.11n PCI-E NIC” or similar Wireless card.
6. Click Properties.
7. Click on the Advanced Tab.
8. Click on 802.11d.
9. On the right hand side change the drop down to Enabled.
10. The following steps are optional but may help:
    1. Select TX power level.
    2. On the right hand side change the drop down to 100%.
    3. Select Wireless mode.
    4. On the right hand side change the drop down menu to “IEEE 802.11b/g”.
       [note]If you regularly stream music to other computer in your house do not change these options. Although 802.11b/g are more stable protocols, the maximum speed is 54Mbps.[/note]
11. Click OK.

Your network will disconnect momentarily, then reconnect.[/tab][/tabs]