Acer Aspire 4250 Notebook Service Manual
Page 8
... Picture Failure 4-8 Internal Keyboard Failure 4-9 Touchpad Failure 4-10 Internal Speaker Failure 4-11 Internal Microphone Failure 4-13 USB Failure 4-14 Other Functions Failure 4-15 Intermittent Problems 4-16 Undetermined Problems 4-16 Post Codes 4-17 CHAPTER 5 Jumper and Connector Locations Mainboard Jumper and Connector Locations 5-3 Clearing Password Check and BIOS Recovery 5-5 Clearing Password Check 5-5 Clear...
... Picture Failure 4-8 Internal Keyboard Failure 4-9 Touchpad Failure 4-10 Internal Speaker Failure 4-11 Internal Microphone Failure 4-13 USB Failure 4-14 Other Functions Failure 4-15 Intermittent Problems 4-16 Undetermined Problems 4-16 Post Codes 4-17 CHAPTER 5 Jumper and Connector Locations Mainboard Jumper and Connector Locations 5-3 Clearing Password Check and BIOS Recovery 5-5 Clearing Password Check 5-5 Clear...
Acer Aspire 4250 Notebook Service Manual
Page 59
If configuration problems occur, the setup utility may need to run . Navigating the BIOS Utility 0 Six menu options are: Information Main Security Boot Exit To navigate through the .... use the up and down arrow keys Change parameter value - To change the boot device without entering BIOS Setup Utility, set to Chapter 4, Troubleshooting when a problem arises. To change the boot device without entering the BIOS SETUP, press F12 during POST (power-on self-test) when prompted at the bottom of...
If configuration problems occur, the setup utility may need to run . Navigating the BIOS Utility 0 Six menu options are: Information Main Security Boot Exit To navigate through the .... use the up and down arrow keys Change parameter value - To change the boot device without entering BIOS Setup Utility, set to Chapter 4, Troubleshooting when a problem arises. To change the boot device without entering the BIOS SETUP, press F12 during POST (power-on self-test) when prompted at the bottom of...
Acer Aspire 4250 Notebook Service Manual
Page 131
... Table 4-1 with the notebook. NOTE: NOTE: The diagnostic tests are intended for troubleshooting computer problems. The step by re-creating the failure through diagnostic tests or repeating the operation that led to Online Support Information. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. NOTE...
... Table 4-1 with the notebook. NOTE: NOTE: The diagnostic tests are intended for troubleshooting computer problems. The step by re-creating the failure through diagnostic tests or repeating the operation that led to Online Support Information. Non-Acer products, prototype cards, or modified options can give false errors and invalid system responses. 1. NOTE...
Acer Aspire 4250 Notebook Service Manual
Page 139
... properly installed There are no red Xs or yellow exclamation marks There are no device conflicts No hardware is not muted. Internal Speaker Failure Sound Problems 0 Perform the following : Figure 4-6. Boot the computer. 2. Remove and reinstall the audio driver. 5. Check the Device Manager to 50. Make sure that the volume is...
... properly installed There are no red Xs or yellow exclamation marks There are no device conflicts No hardware is not muted. Internal Speaker Failure Sound Problems 0 Perform the following : Figure 4-6. Boot the computer. 2. Remove and reinstall the audio driver. 5. Check the Device Manager to 50. Make sure that the volume is...
Acer Aspire 4250 Notebook Service Manual
Page 144
...board in loop mode at least 10 times. 2. Remove or disconnect all attached devices are found . 7. If the problem remains, replace the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive DIMM CD-ROM/Diskette drive Module PC Cards ...4. Perform the following : 1. If any FRU. 3. Determine if the problem has changed. 6. Apply power to isolate the failing FRU (do ...
...board in loop mode at least 10 times. 2. Remove or disconnect all attached devices are found . 7. If the problem remains, replace the following devices: Non-Acer devices Printer, mouse, and other external devices Battery pack Hard disk drive DIMM CD-ROM/Diskette drive Module PC Cards ...4. Perform the following : 1. If any FRU. 3. Determine if the problem has changed. 6. Apply power to isolate the failing FRU (do ...
Acer Aspire 4250 Notebook Service Manual
Page 199
.... Online Support Information 9-3 Online Support Information Introduction 0 This section describes online technical support services available to help users repair their Acer Systems. For distributors, dealers, ASP or TPM, please refer the technical queries to us. and password. In the Technical Information...Spare parts lists TABs (Technical Announcement Bulletin) For these purposes, we have included an Acrobat File to facilitate the problem-free downloading of Acer's Notebook, Desktop and Server models including: Service guides for ways to optimize and improve our services, so do not...
.... Online Support Information 9-3 Online Support Information Introduction 0 This section describes online technical support services available to help users repair their Acer Systems. For distributors, dealers, ASP or TPM, please refer the technical queries to us. and password. In the Technical Information...Spare parts lists TABs (Technical Announcement Bulletin) For these purposes, we have included an Acrobat File to facilitate the problem-free downloading of Acer's Notebook, Desktop and Server models including: Service guides for ways to optimize and improve our services, so do not...