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What is the most used rail on a power supply? What is an indication that an inadequate power supply is the source of an intermittent problem? answer = the power supply whines when you first turn on the system. What are the two highest heat producing components in a system?.
What are some of the possible causes of intermittent device failures?
Intermittent are usually caused by some mechanical change like temperature, vibration, moisture and physical stress that temporarily changes the electrical characteristics of device under test.
What is a typical symptom of CMOS battery failure?
Here are the CMOS battery failure symptoms: The laptop has difficult booting up. There’s a constant beeping noise from the motherboard. The date and time have reset.
What is a symptom of a failing power supply quizlet?
What is a symptom of a failing power supply? The computer sometimes does not turn on. It could also cause a computer to reboot unexpectedly.
What causes a BSOD and how should you begin the troubleshooting process?
What causes a BSOD and how should you begin the troubleshooting process? These Windows errors are caused by problems with devices, device drivers, or a corrupted Windows installation. Begin troubleshooting by searching the Microsoft web site for the error message and a description of the problem.
What are intermittent issues?
An intermittent problem is a problem that occurs for a short time, and then goes away. The problem may not occur again until some time in the future, if at all. Intermittent problems cannot be made to appear again easily.
What is a symptom that might indicate an intermittent problem with the electrical system after the boot?
Here are some symptoms that might indicate an intermittent problem with the electrical system after the boot: The computer stops or hangs for no reason. Sometimes it might even reboot itself. Memory errors appear intermittently.
What does CMOS fail mean?
A CMOS Checksum error is a conflict between the CMOS (Complementary Metal Oxide Semiconductor) and BIOS (Basic Input Output System) that happens when you boot up a computer. It occurs when the computer isn’t able to read startup information or the data does not match up.
What type of battery is a CMOS battery?
A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into a wall socket, the battery has an estimated life of three years.
What is the purpose of the CMOS RAM on a motherboard?
CMOS RAM on a motherboard saves settings for the computer’s basic input and output (BIOS).
What is a symptom of failing power supply?
Symptoms of a failing computer power supply Random computer crashes. Random blue screen crashes. Extra noise coming from the PC case. Recurring failure of PC components.
What is a symptom of a failing power supply select?
What is a symptom of a failing power supply? The display has only a blinking cursor. The computer sometimes does not turn on. The power cord will not attach properly to either the power supply or wall outlet or both.
What are two common problems that are encountered with PATA hard drives?
What are two common problems that are encountered with PATA hard drives? (Select 2 answers.) Refer to curriculum topic: 4.2. 2 Hard drive problems are often related to loose, incorrect, or missing cable connections, incorrect jumper settings, incorrect BIOS settings, or failed drives.
How is BSOD diagnosed?
In the pane on the left, click “Windows Logs” and then click “System.” In the pane on the right, click “Find” and search for “Memory Diagnostic.” You should see the test results – if there were any problems reported, defective memory could be causing a BSOD.
What does DPC_Watchdog_Violation mean?
DPC Watchdog Violation (error code: DPC_Watchdog_Violation) is a common issue in the Windows operating system. It’s occurred due to some specific reasons, like unsupported SSD firmware, old SSD driver version, hardware incompatibility issues, or system files are corrupted.
What does BSOD stand for?
Definition of BSOD : a screen (see screen entry 1 sense 4b) that usually consists of an error message displayed in white text on a solid blue background and that occurs when an electronic device has encountered an error from which it cannot recover : blue screen of death ….
What does intermittent use mean?
1 : coming and going at intervals : not continuous intermittent rain also : occasional intermittent trips abroad. 2 of a stream or body of water : appearing and disappearing seasonally : sometimes dry. Other Words from intermittent Synonyms & Antonyms More Example Sentences Learn More About intermittent.
What does intermittent connection mean?
An Intermittent Connection is when your modem/router drops your broadband connection at random intervals. This is not to be confused with Speed Faults, where your connection speeds may seem slower than normal.
How do you deal with intermittent conditions?
Some techniques to resolve intermittent faults are: Automatic logging of relevant parameters over a long enough time for the fault to manifest can help; parameter values at the time of the fault may identify the cause so that appropriate remedial action can be taken.
What are the common power supply problems?
Here are some of the most common power supply problems and their likely effect on sensitive equipment: Power Surges. A power surge takes place when the voltage is 110% or more above normal. High-Voltage Spikes. Transients. Frequency Variation. Power Sag. Electrical Line Noise. Brownouts.
What are different power supply problems?
The following is a list of PC problems that often are related to the power supply: Any power-on or system startup failures or lockups. Spontaneous rebooting or intermittent lockups during normal operation. Intermittent parity check or other memory-type errors.
What are the main causes of a failed power on self test POST )?
If the system beeps continuously when powered on without memory, most of the time this means it’s faulty RAM. Solution: Try the RAM one stick at a time in the primary memory slot to identify which stick is causing the system to get stuck during POST.
