TB450 - CMOS Battery replacement : Différence entre versions

(Voir les modifications en cours par rapport à la version publiée)

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Version actuelle datée du 14 août 2024 à 15:05

Changing the CMOS battery inside the P.C

Auteur Stuga Engineer | Dernière modification 14/08/2024 par Gareth Green en cours de rédaction ⧼frevu-button-review-label⧽

Difficulté

Facile

Durée

5 minute(s)

Changing the CMOS battery inside the P.C

Difficulté

Facile

Durée

5 minute(s)

Sommaire

1 Introduction
2 Pièces et outils
3 Étape 1 - Remove cover - (example shown on Antec PC New style)
4 Étape 2 - Battery Location
5 Étape 3 - Acer Revo P.C Battery Location
6 Commentaires

Introduction

Internal CMOS batteries are used in PCs to keep a constant power supply to BIOS memory while the main power supply is switched off. These batteries should last up to 5 years when a PC has been left idle. Sometimes these batteries can fall flat before this time either due to being low when sent out or extended use on older machines.

The main symptom of a CMOS battery faulting on a Stuga machine is the PC not booting up when mains power is switched on which will be indicated by a “No Signal Detected” message being displayed on the screen. This is due to the BIOS setting “Restore AC Power Loss” going back to its default value of OFF due to the battery faulting. Restoring the BIOS to its original settings is a temporary fix in this situation as it is most likely this will happen again a couple of months down the line (See TB 376 or 213).

The battery required is a CR2032. In the case of the Antec PC, and most commonly, the battery is held in an open housing that can be pushed to release and easily replaced. In PCs such as the Acer Revo the battery needs to be pre-wired with a plug but still easily unclipped and replaced

Pièces et outils

Pièces et outils

Étape 1 - Remove cover - (example shown on Antec PC New style)

Remove cover by taking out the circled screw. Then holding the tab, pull in the direct shown to unclip and remove the cover.

Étape 2 - Battery Location

The battery is held in an open housing that can be pushed to release.

Newer Versions have battery in a different Place - Z073 - Put is not a Button type replacement it has soldered wires and Plug - we cannot replace

Étape 3 - Acer Revo P.C Battery Location

On the Acer Revo P.C the Battery location is as shown

Commentaires

en none 0 Published

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