Acer Aspire 4339 4739 4739Z Notebook Series Service Guide
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...lines or dark spots appear in the application. Refer to Online Support Information. If desktop display resolution is faulty and should be replaced. Boot the computer. If display size is only abnormal in an application, check the view settings and control/mouse wheel zoom ...different colored spots in the same locations on battery alone as this may reduce display brightness. 2. If the POST or video appears on -screen prompts. 4-6 Troubleshooting Remove the drives (refer to Disassembly Process. 3. If the display is too dim at the highest brightness setting, the...
...lines or dark spots appear in the application. Refer to Online Support Information. If desktop display resolution is faulty and should be replaced. Boot the computer. If display size is only abnormal in an application, check the view settings and control/mouse wheel zoom ...different colored spots in the same locations on battery alone as this may reduce display brightness. 2. If the POST or video appears on -screen prompts. 4-6 Troubleshooting Remove the drives (refer to Disassembly Process. 3. If the display is too dim at the highest brightness setting, the...