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faq:general_troubleshooting [2015/08/10 15:15] – created Shuttle | faq:hardware:general_troubleshooting [2018/08/13 12:37] – [I receive I/O errors, or a blue screen with a message such as IRQ_NOT_LESS_OR_EQUAL and the computer simply reboots.] Fixed URL TS | ||
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====== General Troubleshooting ====== | ====== General Troubleshooting ====== | ||
+ | ===== Why does my Antivirus software detect a Trojan virus on the driver CD? ===== | ||
+ | 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. ===== | ||
+ | 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 publish their own memory compatibility lists. | ||
+ | |||
+ | Compatibility lists are also available on our [[http:// | ||
+ | In the event that your memory is not listed, we suggest that you replace it. Individual memory modules may also be defective. | ||
+ | |||
+ | ===== My Shuttle XPC no longer boots up or there is no picture displayed on the monitor. Is the mainboard defective? ===== | ||
+ | The problem is not with the motherboard in 90 per cent of such cases. Please follow these steps to isolate 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 erase the CMOS by following this procedure: | ||
+ | - Remove the electrical cord | ||
+ | - Remove the CMOS battery | ||
+ | - Press the CMOS button / Place the jumper in the reset position (10-20 seconds) | ||
+ | - Reinstall the battery, electrical cord and try again. | ||
+ | - Inspect the motherboard as much as possible for signs of damage. | ||
+ | - 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 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. |