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faq:hardware:general_troubleshooting [2016/08/24 12:08] – Shuttle | faq:hardware:general_troubleshooting [2016/11/24 16:09] – [How to troubleshoot a computer that does not POST?] christian | ||
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====== General Troubleshooting ====== | ====== General Troubleshooting ====== | ||
- | ===== Why Antivirus software | + | ===== Why does my Antivirus software |
- | The '' | + | The '' |
===== I receive I/O errors, or a blue screen with a message such as IRQ_NOT_LESS_OR_EQUAL and the computer simply reboots. ===== | ===== I receive I/O errors, or a blue screen with a message such as IRQ_NOT_LESS_OR_EQUAL and the computer simply reboots. ===== | ||
- | Most such cases are caused by defective or incompatible memory chips. As a result you should verify whether it is compatible with the installed chipset. Some producers | + | Most such cases are caused by defective or incompatible memory chips. As a result, you should verify whether it is compatible with the installed chipset. Some memory makers |
Compatibility lists are also available on our [[http:// | Compatibility lists are also available on our [[http:// | ||
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===== My Shuttle XPC no longer boots up or there is no picture displayed on the monitor. Is the mainboard defective? ===== | ===== My Shuttle XPC no longer boots up or there is no picture displayed on the monitor. Is the mainboard defective? ===== | ||
- | The problem | + | The problem |
- | - Please remove all non essential components (hard drives, disk drives, card reader, etc...) The CPU and memory, along with the video card if required, can be left in place at this stage. | + | - Please remove all non-essential components (hard drives, disk drives, card reader, etc...) The CPU and memory, along with the video card, if required, can be left in place at this stage. |
- Please erase the CMOS by following this procedure: | - Please erase the CMOS by following this procedure: | ||
- Remove the electrical cord | - Remove the electrical cord | ||
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- Test the CPU in another system or another CPU in the current PC. | - Test the CPU in another system or another CPU in the current PC. | ||
- Test the memory in another system, or different memory in the current XPC. We recommend the use of brand name memory for testing purposes. | - Test the memory in another system, or different memory in the current XPC. We recommend the use of brand name memory for testing purposes. | ||
- | - Test the video card in a new system or another video card in the current PC. | + | - Test the video card in a new system or another video card in the current PC. |
===== How to troubleshoot a computer that does not POST? ===== | ===== How to troubleshoot a computer that does not POST? ===== | ||
Sometimes it is difficult to know why a computer does not POST. A number of things could be wrong with the system including the motherboard, | Sometimes it is difficult to know why a computer does not POST. A number of things could be wrong with the system including the motherboard, | ||
- | If the issue is being caused by a component | + | If the issue is being caused by a component, be it defective or |
- | incorrectly seated you can use these steps to narrow the problem down: | + | incorrectly seated, you can use these steps to narrow the problem down: |
* Power down the system. | * Power down the system. | ||
* Disconnect the cable from the back of your computer. | * Disconnect the cable from the back of your computer. | ||
- | * Remove power from all external components, | + | * Remove power from all external components, |
- | * Remove all RAM Sticks. | + | * Remove all memory modules. |
* Disconnect CMOS Battery. | * Disconnect CMOS Battery. | ||
* Hold front power button with power cable DISCONNECTED for 30 seconds. | * Hold front power button with power cable DISCONNECTED for 30 seconds. | ||
* Reconnect CMOS Battery. | * Reconnect CMOS Battery. | ||
- | * Replace one RAM module | + | * Replace one memory |
- | * Replace video card if one was originally in the system. | + | * Replace video card, if one was originally in the system. |
- | * Reconnect power cord and reboot system. | + | * Reconnect power cord and reboot |
- | * System will halt at POST and asks if you wish to go into BIOS or Windows. | + | * System will halt at POST and ask, if you wish to enter BIOS or load Windows. |
* Choose BIOS option by pressing the DEL Key. | * Choose BIOS option by pressing the DEL Key. | ||
- | * Navigate to the Load Optimized Defaults entry in the main screen. | + | * Navigate to the Load Optimized Defaults entry on the main screen. |
- | * Choose and accept | + | * Choose and accept |
- | * Exit that screen and return to main BIOS screen. | + | * Exit screen and return to main BIOS screen. |
* Navigate to Standard CMOS Features and make sure the date and time are accurate. | * Navigate to Standard CMOS Features and make sure the date and time are accurate. | ||
* Save and Exit the BIOS by pressing the F10 key. | * Save and Exit the BIOS by pressing the F10 key. | ||
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* Reboot system and see what happens. | * Reboot system and see what happens. | ||
- | If your system does not POST, please try the above procedure with one stick of RAM at a time by itself until you get a video screen. If you do not get a video screen, then something else might be wrong with your unit. | + | If your system does not POST, please try the above procedure with one memory module |
- | If the system POSTs, continue attaching devices and testing each until the system is back | + | If the system POSTs, continue attaching devices and testing each until the system is back up. |
- | up. | + | |
- | The above procedure should help you narrow down the issue if is being caused by a | + | The above procedure should help you narrow down the issue, if it is being caused by a |
component. | component. |