Jika Baterai CMOS Lemah

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Monday, 17 September 2012

Jika Baterai CMOS Lemah

Assalamualaikum wr.wb

CMOS merupakan sebuah sebuah RAM kecil yang hanya memiliki kapasitas 128 bytes. 64 byte pertama berfungsi untuk menjaga informasi Jam dan Tanggal (Kalender). Lalu 64 bytes kedua untuk menjaga pengaturan Security Control dan System Start Up pada BIOS. Walaupun komputer anda dalam posisi mati (tidak di colok), namun Baterai CMOS akan tetap aktif untuk menjaga informasi waktu, penanggalan, kontrol keamanan, dan startup pada BIOS. Inilah yang menjaga mengapa setiap komputer kita dimatikan dan kemudian dinyalakan lagi, tanggal dan waktu tetap benar. Karena Baterai BIOS menyimpan pengaturanya.

BIOS (Basic Input Output System) adalah sebuah code-code software yang ditanam pada suatu komputer dan posisinya sangatlah penting. Karena jika komputer dinyalakan, yang pertama kali di proses adalah data BIOS, lalu BIOS akan mengecek semua hardware dalam komputer. Jika salah satunya rusak, maka BIOS tidak akan melanjutkan ke proses berikutnya (booting).

Seperti halnya baterai, semua pasti akan habis atau rusak. Jika baterai CMOS rusak, yang terjadi adalah errornya waktu dan penaggalan dalam komputer, karena jika baterai ini lemah, maka tidak akan bisa menyimpan data yang seharusnya. Dan akan menyimpan dalam posisi default. Dan ketika anda memasuki OS, maka waktu akan kacau. Dan pada kebanyakan kasus, password BIOS akan hilang juga.
Bagaimana memperbaiki baterai CMOS yang lemah?

1. Cabut semua kabel yang mencolok ke komputer dan jangan ada yang tersambung dengan listrik. (P. Supplay, VGA, Monitor,dll)
2. Jangan sampai tangan anda basah. Tidurkan komputer agar lebih muda, kemudian buka casing komputer.
3. Setelah dibuka, anda akan melihat socket jumper bertuliskan SLR CMOS.
4. Pindahkan jumper ke pin 2 dan pin 3. (Jika pin 1 dan 2 maka normal. pindahkan menjadi pin 2 dan 3)
5. Lalu diamkan sekitar 2 menit, dan kemudian nyalakan komputer selama 3-4 menit dan matikan kembali.
6. Cabut lagi semua kabel yang tersambung ke komputer, pindahkan jumper ke posisi pin 1 dan pin 2.
7. Kemudia nyalakan komputer anda. Anda akan diminta untuk menekan F1 atau Del.
8. Setting BIOS pada Optimize Default System BIOS. kemudia save (F10)
9. Komputer akan mengesave pengaturan dan secara otomatis merestart.

Sekarang coba nyalakan komputer anda, dan jika normal maka shutdown kembali komputer anda dan pasang casing kembali.
Jika dalam beberapa waktu komputer kembali rusak, kemungkinan anda harus mengganti baterai BIOS anda. Banyak yang menjual baterai ini, di toko buku, toko computer, pusat komputer, dll.
Baterai ini hampir sama dengan baterai kalkulator.

Dari saya sekian. Terimakasih.

5 Tanggapan Dari Pengunjung:

Anonymous said...

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