Memo/ThinkPad

ThinkPad

'Memo/ThinkPad/' には、下位層のページがありません。

ThinkPad †

↑

無線LANが見えない/繋がらない場合 †

Intel PRO/Wireless LAN 2100 3B Mini PCI Adaper
- ThinkPad T40/T40p/X31 - ワイヤレス（無線）LANのチャンネルを11チャンネル以上を使用/表示するには
- デフォルトだと無線LANチャンネル1-11しか使えない。そのため、AP側が12～14チャンネル等を使っていると見えない
- WinXP: デバイスマネージャ > ネットワークアダプタ > Intel PRO/Wireless LAN 2100 3B Mini PCI Adaper > プロパティ
- 詳細設定 > 拡張チャンネルモード > デフォルト値を使用のチェックを外す : 有効

↑

ERROR 1802: Unauthorized network card is plugged in - Power off and remove the miniPCI network card. †

BIOSに登録済みのMiniPCIカードしか使えないようになっている。
同じ型番のThinkpadからMiniPCIカードを取り出しても使えない場合がある。
このエラーが発生すると、起動デバイス選択(F12)メニューも出なくなる。

記事
- Problem with unauthorized MiniPCI network card - ThinkWiki

Thinkpad X31 + AR5BMB-44(11b/g/a)でERROR 1802が発生した場合
- CMOS電池が切れると元に戻る

no-1802.comをダウンロード
MiniPCIカードを取り外す
DOSが必要なので、USBメモリやCDからDOSが起動するように作り、no-1802.com をコピーする
- DOS起動用のUSBメモリを作る（DOS-on-USB編）－＠IT
no-1802.comをUSBメモリにコピーする
電源ONにし、F12でUSBメモリから起動する
コマンドを実行
```
no-1802.com
```
MiniPCIカードを取り付け、正常動作するか試す

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ThinkPad †

無線LANが見えない/繋がらない場合 †

ERROR 1802: Unauthorized network card is plugged in - Power off and remove the miniPCI network card. †

BIOSパスワード解除 †

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