FUNDAMENTALS OF COMPUTER

TROUBLESHOOTING COMPUTER ISSUES

IDENTIFYING HARDWARE SOFTWARE NETWORK PROBLEMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Using the Fix in GC, use the keyword “signal” and pull up the No Signal:At specific location(s) ts flow. What is the last resort that YOU (not tech) can complete?
A
Check if the customer is in a ZIP code with roaming coverage turn down.
B
Turn off Wi-Fi
C
File a Trouble Ticket using Category:SIGNAL ISSUES, Complaint:NO SIGNAL-SPECIFIC LOCATION
D
Perform a manual network selection
Explanation: 

Detailed explanation-1: -Try changing your stationary phase or solvent. If peak tailing is occurring only in peaks closest to the solvent front or major component peak, consider the Reverse Solvent Effect. Try a retention gap or guard column to correct this.

Detailed explanation-2: -Re: No peaks on chromatogram-already checked common causes-h It is possible that the extra flow through the megabore column is upsetting the flame. You may need to adjust fuel or make up flows to compensate. There may also be problems with the fatter column blocking the flame tip.

Detailed explanation-3: -Minimize dead volume in the GC system; verify proper column installation, proper connectors, proper liners, etc. • Verify injector and detector flow rates and adjust if needed. • Verify make-up gas flow and adjust if needed.

Detailed explanation-4: -As needed Clean/replace FPD windows and seals when detector sensitivity is reduced. Tune MSD As needed Keep plenty of PFTBA (part number 05971-60571) on hand . Check the calibration vial Every 6 months Vial can be refilled without venting the system. Replace the foreline Every 6 months Check the fluid weekly.

There is 1 question to complete.