TMa550.book Page 78 Wednesday, October 3, 2001 10:57 AM

78

6 Troubleshooting

tab to make sure the resolution is set to the appropriate resolution. Resolutions lower than the specified resolution are not full-screen on the computer or on an external monitor.

No audio from the computer.

Check the following:

•The volume may be muted. In Windows, look at the volume control icon on the taskbar. If it is crossed-out, click on the icon and deselect the Mute option.

•The volume level may be too low. In Windows, look at the volume control icon on the taskbar. Click on the icon and adjust the level. You can also use the volume control knob on the front panel of the computer to adjust the volume.

If headphones, earphones or external speakers are connected to the speaker/headphone-out port on the computer, the internal speakers automatically turn off.

External microphone does not work.

Check the following:

•Make sure the external microphone is connected to the microphone-in jack on the computer.

•If you cannot hear playback, the speakers may be muted.

How do I eject the optical drive tray with the computer turned off?

There is a emergency eject hole on the optical drive. Simply insert the tip of a pen or paperclip and push to eject the optical drive tray. For the location of the emergency eject hole, see “Left view” on page 5.

The keyboard does not respond.

Try attaching an external PS/2 or USB keyboard to the appropriate port on the computer. If it works, contact your dealer or an authorized service center as the internal keyboard cable may be loose.

The floppy drive cannot access a diskette.

Check the following:

•Make sure the diskette is properly inserted in the floppy drive.

•Make sure the diskette is formatted.

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Acer a-550 Series manual No audio from the computer, External microphone does not work, Keyboard does not respond
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a-550 Series specifications

The Acer A-550 Series is a noteworthy entry into the competitive landscape of mid-range laptops, attracting attention for its exceptional balance of performance, design, and affordability. Tailored for everyday users, students, and professionals, the A-550 series aims to deliver a reliable computing experience, whether for productivity, entertainment, or casual use.

One of the standout characteristics of the A-550 Series is its advanced display technology. The series features a 15.6-inch Full HD screen with IPS (In-Plane Switching) technology. This ensures vibrant color accuracy and wide viewing angles, making it ideal for multimedia consumption and creative work. The display is complemented by thin bezels, providing a modern aesthetic while maximizing screen real estate.

In terms of performance, the A-550 Series is powered by Intel’s latest generation processors, ranging from efficient Core i3 models for basic tasks to potent Core i7 options for more demanding applications. This versatility allows users to choose a configuration that best meets their workload requirements. Paired with up to 16GB of DDR4 RAM, the laptop provides responsive multitasking capabilities, enabling users to run several applications simultaneously without lag.

Storage options in the A-550 Series include both traditional hard drives and faster solid-state drives (SSD), catering to different needs for speed and capacity. The SSD option ensures quick boot times and rapid file access, enhancing overall system responsiveness, while the HDD provides ample storage for multimedia files and documents.

Connectivity is another strong suit of the A-550 Series, featuring a comprehensive selection of ports. Users can leverage USB 3.2 ports for high-speed data transfer, an HDMI port for connecting to larger displays, and a headphone/microphone combo jack. The inclusion of Wi-Fi 6 ensures that users benefit from faster wireless connectivity and reduced latency, essential for smooth video conferencing and online streaming.

Battery life is a critical consideration for mobile users, and the A-550 Series does not disappoint. With an impressive duration of up to 10 hours on a single charge, users can comfortably work or enjoy media on-the-go without constantly searching for power outlets.

The build quality of the A-550 Series is robust, with a sleek and lightweight design that makes it easily portable. Acer has also integrated proprietary technologies like BlueLightShield to reduce eye strain, ensuring that users can work for extended periods comfortably.

Overall, the Acer A-550 Series offers a compelling blend of performance, features, and user-friendly design, making it an attractive option for a wide range of users seeking a dependable laptop without breaking the bank.
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