HP Pro Tower 290 G9 PCI Desktop PC Maintenance and Service Guide - Page 66
HP Pro Tower 290 G9 PCI Desktop PC Manual
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Cause Too many Terminate and Stay Resident programs (TSRs) are installed. You have run out of memory for the application. Solution Delete any TSRs that you do not need. Check the memory requirements for the application or add more memory to the computer. Power light blinks red five times followed by a two-second pause and the computer beeps five times (beeps stop after fifth iteration but lights continue blinking) Use this information to troubleshoot the computer. Cause Memory is installed incorrectly or is bad. Solution 1. Reseat DIMMs. Turn on the system. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Solving USB flash drive problems If you encounter USB flash drive problems, common causes and solutions are listed in these tables. USB flash drive is not seen as a drive letter in Windows Use this information to troubleshoot the computer. Cause The drive letter after the last physical drive is not available. Solution Change the default drive letter for the flash drive in Windows. USB flash drive not found (identified) Use this information to troubleshoot the computer. Cause The device is attached to a USB port that has been hidden in Computer Setup. The device was not properly seated before startup. Solution Run the Computer Setup utility and enable USB ports in Advanced > Port Options. Be sure that the device is fully inserted into the USB port before applying power to the system System will not boot from USB flash drive Use this information to troubleshoot the computer. Cause Boot order is not correct. Solution Run the Computer Setup utility, and change boot sequence in Advanced > Boot Options. Power light blinks red five times followed by a two-second pause and the computer beeps five times (beeps stop after fifth iteration but lights continue blinking) 59