User manual ACER ASPIRE 7552G

[. . . ] If you are unable to insert the plug into the outlet, contact your electrician to replace your obsolete outlet. Do not defeat the purpose of the grounding-type plug. Do not allow anything to rest on the power cord. Do not locate this product where persons will walk on the cord. 4. [. . . ] When the power cord or plug is damaged or frayed If liquid has been spilled into the product If the product has been exposed to rain or water If the product does not operate normally when the operating instructions are followed. Adjust only those controls that are covered by the operating instructions since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal condition. If the product has been dropped or the cabinet has been damaged If the product exhibits a distinct change in performance, indicating a need for service e. Replace battery with the same type as the product's battery we recommend. Use of another battery may present a risk of fire or explosion. Refer battery replacement to a qualified serviceman. Battery may explode if not handled properly. Do not recharge, disassemble or dispose of in fire. Keep away from children and dispose of used battery promptly. Use only the proper type of power supply cord set (provided in your keyboard/manual accessories box) for this unit. It should be a detachable type: UL listed/CSA certified, type SVT/SJT, rated 6A 125V minimum, VDE approved or its equivalent. When standing the system with the ventilation holes facing a wall, leave a 5-cm space from the wall to allow air circulation. To stand the system with the ventilation holes facing out, place the system close to the wall and position the legs as in Figure B. Aspire Minitower Housing 5 2. 2 Opening the Housing 1. Open the front-panel door. 2. Use a standard screwdriver or any tool with a flat end to rotate the keylock to unlock position. Make sure that the flat end of the tool fits into the keylock to prevent damage such as chassis scratch. 6 Installation Guide 4 3 3. Pull the panel handle to release the cover from the housing frame. Continue pulling until the cover is completely detached from the housing frame. Aspire Minitower Housing 7 6. Close the front-panel door. Make sure that the peg is properly inserted into the slot. Keep the front-panel door closed. Open it only if necessary. 8 Installation Guide 2. 3 2. 3. 1 Installing a System Board ESD Precautions Always observe the following electrostatic discharge (ESD) precautions before installing a system component: 1. Do not remove a component from its antistatic packaging until you are ready to install it. Wear a wrist grounding strap before handling electronic components. Wrist grounding straps are available at most electronic component stores. 2. Aspire Minitower Housing 9 2. 3. 2 Installation Procedures Follow these steps to install a system board: LPX slot 1. Insert the system board supports into the appropriate slots. Press the board supports until the holding tabs click into place. 10 Installation Guide 2. Insert the connector side of the LPX board first. 3. Gently press the board until the board holder tabs click. [. . . ] Make sure that the board is inserted properly. Secure the board with the screw. 5. Do not neglect this step. The board uses the screw for grounding. Aspire Minitower Housing 13 2. 5 2. 5. 1 Installing Hard Disk Drives Installing a Hard Disk When you purchase a hard disk, make sure that you have all the necessary cables to install the drive. Don't forget to get the bad sector information from your dealer. 1. [. . . ]