User manual ACER M230HDL

[. . . ] If the system has multiple sources of power, disconnect power from the system by unplugging all power cords from the power supplies. CAUTION for Accessibility Be sure that the power outlet you plug the power cord into is easily accessible and located as close to the equipment operator as possible. When you need to disconnect power to the equipment, be sure to unplug the power cord from the electrical outlet. CAUTION for bundled dummy cards Your computer shipped with plastic dummies installed in the card slots. Dummies protect unused slots from dust, metal objects or other particles. Save the dummies for use when no cards are in the slots. CAUTION for Listening To protect your hearing, follow these instructions. [. . . ] If pressing a key does not turn the display back on, three things might be the cause: · · · The brightness level might be too low. Press <Fn> + < > (increase) to adjust the brightness level. Press the display toggle hotkey <Fn> + <F5> to toggle the display back to the computer. Press and release the power button to resume. No audio is heard from the computer. Check the following: · The volume may be muted. If it is crossed-out, click on the icon and deselect the Mute all option. See "Special keys" on page 4 for more detail. · 6 · If headphones, earphones or external speakers are connected to the lineout port on the computer, the internal speakers automatically turn off. English I want to eject the optical drive tray without turning on the power. There is a mechanical eject hole on the optical drive. Simply insert the tip of a pen or paperclip into the hole and push to eject the tray. The keyboard does not respond. Try attaching an external keyboard to a USB port on the computer. If it works, contact your dealer or an authorized service center as the internal keyboard cable may be loose. The printer does not work. Check the following: · · Make sure that the printer is connected to a power outlet and that it is turned on. Make sure that the printer cable is connected securely to the computer's parallel port or a USB port and the corresponding port on the printer. I want to restore my computer to its original settings without recovery CD/DVDs. Note: If your system is the multilingual version, the operating system and language you choose when you first turn on the system will be the only option for future recovery operations. This recovery process helps you restore the C: drive with the original software content that is installed when you purchase your notebook. (Your C: drive will be reformatted and all data will be erased. ) It is important to back up all data files before using this option. Frequent use; the more you use the battery, the faster it will reach the end of its effective life. A standard computer battery has a life span of about 300 charges. · · Installing and removing the battery pack Important!Before removing the battery from the unit, connect the AC adapter if you want to continue using your computer. Otherwise, turn off the computer first. To install a battery pack: 1 Align the battery with the open battery bay; make sure that the end with the contacts will enter first, and that the top surface of the battery is facing up. Slide the battery into the battery bay and gently push until the battery locks in place. 2 10 To remove a battery pack: 1 2 Slide the battery release latch to release the battery. Pull the battery from the battery bay. English Charging the battery To charge the battery, first make sure that it is correctly installed in the battery bay. Plug the AC adapter into the computer, and connect to a mains power outlet. You can continue to operate your computer on AC power while your battery is charging. However, charging the battery with the computer turned off results in a significantly faster charge time. Note: You are advised to charge the battery before retiring for the day. Charging the battery overnight before traveling enables you to start the next day with a fully charged battery. Checking the battery level The Windows power meter indicates the current battery level. Rest the cursor over the battery/power icon on the taskbar to see the battery's present charge level. Optimising battery life Optimizing battery life helps you get the most out of battery operation, prolonging the charge/recharge cycle and improving recharging efficiency. [. . . ] It indicates no endorsement of the product by Telecom, nor does it provide any sort of warranty. Above all, it provides no assurance that any item will work correctly in all respects with another item of Telepermitted equipment of a different make or model, nor does it imply that any product is compatible with all of Telecom's network services. This equipment is not capable, under all operating conditions, of correct operation at the higher speeds for which it is designed. Telecom will accept no responsibility should difficulties arise in such circumstances. [. . . ]